What is an Herbal Monograph?

Page 1


HERBAL MONOGRAPHS

Dr Gregory Lawton AMERICAN HEALTH SOURCE

What is an Herbal Monograph?

An herbal monograph is a structured profile of a medicinal plant that brings together its traditional uses, modern clinical evidence, pharmacological actions, chemical constituents, and safety considerations. Monographs provide a concise but comprehensive overview that practitioners, students, and patients can use to understand both the therapeutic potential and the cautions associated with an herb. They typically include the plant’s common and scientific names, parts used, key active compounds, mechanisms of action, medical indications, preparation methods, dosage guidelines, contraindications, and possible drug interactions. In this way, herbal monographs serve as an essential reference tool that bridges traditional knowledge with evidencebased practice in clinical herbal medicine.

Introduction: The Place of Herbal Medicine in Modern Health Care

There is no justification no rational or scientifically defensible reason to dismiss herbs as less effective than the synthetically manipulated petroleum-derived molecules marketed as prescription drugs. For decades I have watched this prejudice play out, not because herbs have failed patients, but because their use threatens the dominance of a medical system built on pharmaceuticals, profit, and politics.

As a practitioner and teacher of holistic medicine for more than fifty years, I have seen firsthand what herbs can do. I have watched patients recover from stubborn infections, chronic inflammation, and debilitating respiratory conditions through the intelligent use of plants that humans have relied upon for centuries. I have seen herbs calm spasmodic coughs, restore lung function, shorten the course of influenza, and strengthen the immune system against recurring illness. These are not theoretical claims they are lived realities observed in clinical practice and confirmed by modern research.

Herbal medicine is not an alternative to science. It is science in its truest, oldest, and most holistic form. Every culture in human history has drawn upon the healing power of plants: Traditional Chinese Medicine, Ayurveda, Native American plant knowledge, European folk medicine, and countless other traditions. Modern pharmacology itself was built on the isolation of active compounds from these same plants. Yet somewhere along the way, the whole was dismissed in favor of the part, the living synergy of the plant ignored in favor of a single extracted molecule.

The marginalization of herbal medicine has less to do with evidence and more to do with systemic bias. It has been reinforced by the lobbying power of pharmaceutical companies, the policies of regulatory agencies, and the protectionism of professional guilds. Naturopathic, chiropractic, and holistic practitioners have too often been portrayed as unscientific when in truth we have carried forward traditions of healing that modern medicine is only now beginning to rediscover.

This collection of herbal monographs is part of my life’s work: to preserve, teach, and legitimize the use of medicinal plants as an integral part of true health care. Herbs are not relics of the past. They are living medicines for today and tomorrow. In these pages, I hope to give you not only the scientific evidence and clinical guidance, but also the reassurance that you are standing in a lineage of healers that stretches back thousands of years.

Herbs belong to the people. They always have. And they always will.

Andrographis (Andrographis paniculata)

Family: Acanthaceae

Medicinal Parts: Leaves and aerial parts

Constituents

• Diterpene lactones (andrographolide, deoxyandrographolide, neoandrographolide)

• Flavonoids (apigenin, luteolin)

• Polyphenols and trace volatile oils

Actions

• Antiviral & antimicrobial: active against influenza, parainfluenza, SARS-CoV, and bacterial respiratory pathogens.

• Anti-inflammatory: suppresses NF-κB and pro-inflammatory cytokines.

• Immunomodulatory: enhances macrophage and NK cell activity, supports antibody production.

• Antipyretic & analgesic: useful for fever, sore throat, and systemic malaise.

Indications

• Principal: Acute upper respiratory infections (common cold, influenza, COVID-19) reduces severity and duration.

• Major: Bronchitis, pharyngitis, pneumonia (adjunctive), long COVID symptoms.

• Minor/Other: Chronic inflammatory conditions, liver protection, adjunct in asthma and COPD flare prevention.

Dosage

• Capsules/Tablets: Standardized extract, 400–800 mg twice daily (providing ~30% andrographolides).

• Tincture: 30–60 drops in water, 3 times daily.

• Tea/Infusion: Less common due to bitterness; 1–2 g dried herb, steeped 10 minutes.

Safety

• Cautions: May cause GI upset, headache, or taste disturbance in sensitive patients.

• Contraindications: Pregnancy (possible abortifacient effect), breastfeeding, children under 12 unless supervised.

• Drug interactions: Theoretical additive effect with anticoagulants and antiplatelet drugs; possible interference with immunosuppressants.

Astragalus (Astragalus membranaceus)

Family: Fabaceae

Medicinal Parts: Root

Constituents

• Polysaccharides (astragalans)

• Saponins (astragalosides I–IV)

• Flavonoids (calycosin, formononetin, isoflavones)

• Trace minerals, amino acids

Actions

• Immunomodulatory: Enhances macrophage, NK cell, and T-cell function; supports antibody response.

• Adaptogen: Improves resilience to physical, emotional, and metabolic stress.

• Antiviral: Inhibits replication of respiratory viruses and improves resistance to recurrent infections.

• Anti-inflammatory & antioxidant: Protects vascular and lung tissue from oxidative damage.

Indications

• Principal: Prevention of recurrent colds, influenza, bronchitis, and chronic respiratory weakness.

• Major: Adjunct in COPD, asthma, and long COVID recovery.

• Minor/Other: Fatigue, poor wound healing, cardiovascular protection.

Dosage

• Decoction/Tea: 9–30 g dried root simmered 30–60 minutes (traditional).

• Capsules: 500–1000 mg twice daily.

• Tincture: 30–60 drops, three times daily.

Safety

• Cautions: Avoid during acute febrile illness (best used preventively or in recovery).

• Contraindications: None known at normal doses.

• Drug interactions: May potentiate immune-stimulating therapies; theoretical interaction with immunosuppressants.

Chinese Skullcap (Scutellaria baicalensis)

Family: Lamiaceae

Medicinal Parts: Root

Constituents

• Flavonoids: baicalin, baicalein, wogonin, oroxylin A

• Polysaccharides

• Phenolic acids

Actions

• Antiviral: Inhibits influenza, RSV, SARS-CoV, and other respiratory viruses.

• Anti-inflammatory: Reduces cytokine storm activity (IL-6, TNF-α).

• Antioxidant & neuroprotective: Scavenges free radicals; supports vascular and nerve health.

• Antimicrobial: Broad-spectrum antibacterial and antifungal activity.

Indications

• Principal: Pneumonia, bronchitis, and acute viral respiratory infections (including COVID-19).

• Major: COPD flare-ups, allergic asthma, long COVID inflammatory symptoms.

• Minor/Other: Liver inflammation, cardiovascular protection.

Dosage

• Tea/Decoction: 3–9 g dried root boiled 20–30 minutes.

• Capsules: 400–600 mg twice daily (standardized extracts).

• Tincture: 30–60 drops, three times daily.

Safety

• Cautions: May cause GI upset in sensitive patients.

• Contraindications: Pregnancy, breastfeeding (insufficient safety data).

• Drug interactions: May potentiate effects of sedatives, anticoagulants, and hepatotoxic drugs.

Echinacea (Echinacea purpurea, E. angustifolia, E. pallida)

Family: Asteraceae

Medicinal Parts: Root, aerial parts

Constituents

• Alkamides

• Caffeic acid derivatives (echinacoside, chicoric acid)

• Polysaccharides and glycoproteins

• Flavonoids

Actions

• Immunostimulant: Enhances phagocytosis, increases cytokine production.

• Antiviral: Shortens duration and severity of colds and influenza.

• Anti-inflammatory: Reduces throat and airway irritation.

Indications

• Principal: Acute colds, influenza, viral URIs.

• Major: Prevention of recurrent colds and respiratory infections.

• Minor/Other: Sore throat, wound healing, adjunct in bronchitis.

Dosage

• Tincture: 30–60 drops, 3 times daily.

• Capsules: 300–500 mg, 3 times daily.

• Tea: 2–3 cups per day (infusion of aerial parts or decoction of root).

Safety

• Cautions: Avoid long-term continuous use (best in acute or short courses).

• Contraindications: Severe autoimmune diseases, progressive systemic conditions (e.g., tuberculosis, multiple sclerosis).

• Drug interactions: May reduce effectiveness of immunosuppressants.

Elderberry (Sambucus nigra)

Family: Adoxaceae

Medicinal Parts: Fruit, flowers

Constituents

• Flavonoids (quercetin, rutin)

• Anthocyanins (cyanidin-3-glucoside, sambucyanin)

• Phenolic acids

• Vitamin C, minerals

Actions

• Antiviral: Blocks influenza virus replication; reduces viral adhesion to host cells.

• Immune-enhancing: Boosts cytokine production and antioxidant defense.

• Anti-inflammatory: Reduces airway inflammation, supports lung function.

Indications

• Principal: Colds, influenza, acute respiratory infections.

• Major: Cough, sore throat, bronchitis.

• Minor/Other: Long COVID fatigue, recovery after pneumonia.

Dosage

• Syrup: 1–2 tsp, 3 times daily.

• Tincture: 30–60 drops, 3 times daily.

• Tea: 1–2 cups daily (flowers commonly used).

Safety

• Cautions: Raw berries and seeds contain cyanogenic glycosides (must be cooked or processed).

• Contraindications: None at normal therapeutic doses.

• Drug interactions: None significant reported.

Elecampane (Inula helenium)

Family: Asteraceae

Medicinal Parts: Root

Constituents

• Sesquiterpene lactones (alantolactone, isoalantolactone)

• Inulin (prebiotic polysaccharide)

• Volatile oils

• Sterols, flavonoids

Actions

• Expectorant: Stimulates bronchial secretions, loosens phlegm.

• Antimicrobial: Effective against bacterial respiratory pathogens.

• Anti-inflammatory: Reduces airway irritation.

• Tonic: Supports digestion and immunity.

Indications

• Principal: Chronic bronchitis, persistent coughs with thick mucus.

• Major: COPD, recurrent lung infections, asthma with phlegm congestion.

• Minor/Other: Digestive weakness, parasitic infections.

Dosage

• Decoction: 2–4 g dried root, simmered 15 minutes, 1–2 cups daily.

• Capsules: 500 mg, 1–2 times daily.

• Tincture: 30–60 drops, 3 times daily.

Safety

• Cautions: Can cause nausea in high doses; avoid if allergic to Asteraceae.

• Contraindications: Pregnancy, breastfeeding.

• Drug interactions: None well documented, but theoretical additive effect with other expectorants.

Garlic (Allium sativum)

Family: Amaryllidaceae

Medicinal Parts: Bulb

Constituents

• Sulfur compounds: allicin, ajoene, diallyl sulfides

• Flavonoids (quercetin, kaempferol)

• Saponins, fructans, selenium

Actions

• Antiviral & antibacterial: Broad-spectrum effects against respiratory pathogens.

• Immunostimulant: Enhances macrophage and lymphocyte function.

• Anti-inflammatory: Reduces airway and systemic inflammation.

• Cardioprotective: Improves vascular health and circulation.

Indications

• Principal: Colds, influenza, acute respiratory infections.

• Major: Bronchitis, pneumonia prevention, COPD adjunct.

• Minor/Other: Cardiovascular protection, immune resilience, long COVID support.

Dosage

• Raw garlic: 1–2 fresh cloves daily.

• Capsules/Tablets: 600–1200 mg standardized extract twice daily.

• Tincture: 30–60 drops, 3 times daily.

Safety

• Cautions: May cause GI irritation or odor issues.

• Contraindications: Bleeding disorders, pre-surgical use (antiplatelet effect).

• Drug interactions: Potentiates anticoagulants (warfarin, aspirin), may interact with HIV medications.

Ginger (Zingiber officinale)

Family: Zingiberaceae

Medicinal Parts: Rhizome

Constituents

• Gingerols and shogaols

• Volatile oils (zingiberene, bisabolene)

• Flavonoids, phenolic acids

Actions

• Antiviral & antimicrobial: Inhibits rhinovirus and influenza activity.

• Anti-inflammatory: Reduces airway swelling and prostaglandin-mediated inflammation.

• Expectorant & warming: Promotes circulation and mucus clearance.

• Digestive tonic: Relieves nausea and gastric upset during infections.

Indications

• Principal: Colds, flu, bronchitis with chills.

• Major: Asthma and COPD (as supportive therapy), long COVID fatigue.

• Minor/Other: Nausea, motion sickness, digestive weakness.

Dosage

• Tea/Infusion: 1–2 g dried rhizome or 2–4 g fresh, steeped in hot water.

• Capsules: 500 mg twice daily.

• Tincture: 30–60 drops, 3 times daily.

Safety

• Cautions: May cause mild heartburn at high doses.

• Contraindications: Gallstones (stimulates bile flow).

• Drug interactions: May potentiate anticoagulants, antiplatelets, and antidiabetic drugs.

Goldenseal (Hydrastis canadensis)

Family: Ranunculaceae

Medicinal Parts: Root, rhizome

Constituents

• Isoquinoline alkaloids (berberine, hydrastine, canadine)

• Flavonoids

• Resins, volatile oils

Actions

• Antimicrobial: Strong antibacterial, antiviral, antifungal action (berberine-rich).

• Anti-inflammatory: Reduces mucosal inflammation.

• Astringent: Tones mucous membranes of the respiratory and digestive tract.

• Immune-supportive: Enhances resistance to infection.

Indications

• Principal: Acute respiratory infections, sinusitis, sore throat.

• Major: Chronic catarrh, bronchitis, pneumonia recovery.

• Minor/Other: Digestive infections, urinary tract infections.

Dosage

• Tincture: 15–30 drops, up to 3 times daily.

• Capsules: 250–500 mg root extract, 2–3 times daily.

• Decoction: Rarely used due to bitterness (1–2 g dried root per cup).

Safety

• Cautions: Overharvested and endangered use only sustainably cultivated sources.

• Contraindications: Pregnancy, breastfeeding, infants.

• Drug interactions: May interfere with cytochrome P450 enzymes; caution with prescription drugs (anticoagulants, antihypertensives, cyclosporine, digoxin).

Horehound (Marrubium vulgare)

Family: Lamiaceae

Medicinal Parts: Leaves, flowering tops

Constituents

• Bitter diterpene lactones (marrubiin primary expectorant compound)

• Flavonoids

• Tannins

• Volatile oils

Actions

• Expectorant: Stimulates bronchial secretions and loosens thick mucus.

• Antispasmodic: Reduces coughing spasms.

• Bitter tonic: Stimulates digestion and bile flow.

• Mild antimicrobial: Supports resistance to respiratory pathogens.

Indications

• Principal: Persistent coughs, chronic bronchitis.

• Major: Asthma adjunct, COPD, whooping cough (historical use).

• Minor/Other: Loss of appetite, digestive weakness.

Dosage

• Tea/Infusion: 1–2 cups daily (1–2 g dried herb steeped).

• Tincture: 30–60 drops, 3 times daily.

• Syrup: Commonly used in traditional cough syrups.

Safety

• Cautions: Excessive doses may cause nausea, vomiting, or arrhythmias.

• Contraindications: Pregnancy (uterine stimulant), gastric ulcers.

• Drug interactions: None significant reported, but use cautiously with strong cardiac medications.

Hyssop (Hyssopus officinalis)

Family: Lamiaceae

Medicinal Parts: Leaves, flowering tops

Constituents

• Volatile oils (pinocamphone, isopinocamphone, cineole)

• Flavonoids (luteolin, apigenin)

• Marrubiin and other bitter principles

Actions

• Expectorant: Loosens thick phlegm, promotes mucus clearance.

• Antiviral: Traditionally used for colds, influenza, and bronchitis.

• Antispasmodic: Calms cough and bronchial spasm.

• Digestive aid: Stimulates mild gastric secretions.

Indications

• Principal: Bronchitis, coughs with thick mucus, colds.

• Major: COPD congestion, asthma (as mild support).

• Minor/Other: Sore throat gargle, external use for bruises.

Dosage

• Tea/Infusion: 1–2 g dried herb, steeped 10 minutes, 1–2 cups daily.

• Tincture: 30–60 drops, 3 times daily.

• Steam inhalation: 2–3 drops essential oil in hot water.

Safety

• Cautions: Essential oil (especially pinocamphone) can be neurotoxic in large doses.

• Contraindications: Epilepsy, pregnancy.

• Drug interactions: None significant reported.

Licorice Root (Glycyrrhiza glabra)

Family: Fabaceae

Medicinal Parts: Root, stolon

Constituents

• Triterpenoid saponins (glycyrrhizin, glycyrrhetinic acid)

• Flavonoids (liquiritin, isoliquiritigenin)

• Polysaccharides, coumarins

Actions

• Expectorant & demulcent: Soothes inflamed mucous membranes.

• Antiviral: Active against influenza, SARS-CoV, and other respiratory viruses.

• Anti-inflammatory: Cortisol-sparing effect; reduces airway inflammation.

• Immune-modulating: Supports antibody and interferon activity.

Indications

• Principal: Sore throat, bronchitis, cough.

• Major: Asthma, COPD inflammation, pneumonia adjunct.

• Minor/Other: Gastritis, ulcers, adrenal fatigue.

Dosage

• Tea/Decoction: 1–2 cups daily (root simmered 15–20 minutes).

• Capsules: 400–800 mg twice daily.

• Tincture: 30–60 drops, 3 times daily.

Safety

• Cautions: Excess use can raise blood pressure, cause fluid retention, and deplete potassium.

• Contraindications: Hypertension, kidney disease, pregnancy (unless deglycyrrhizinated extract is used).

• Drug interactions: Potentiates corticosteroids, diuretics, digoxin, and antihypertensives.

Lobelia (Lobelia inflata)

Family: Campanulaceae

Medicinal Parts: Aerial parts, seeds

Constituents

• Piperidine alkaloids (lobeline, lobelanidine)

• Flavonoids

• Resin

Actions

• Expectorant: Loosens bronchial secretions.

• Bronchodilator: Relieves spasm in asthma and COPD.

• Respiratory stimulant (low dose): Enhances breathing reflex.

• Antispasmodic (high dose): Relaxes smooth muscle.

Indications

• Principal: Asthma, COPD, chronic bronchitis.

• Major: Persistent, spasmodic coughs.

• Minor/Other: Smoking cessation (historical use of lobeline as nicotine substitute).

Dosage

• Tincture: 10–20 drops, up to 3 times daily.

• Tea: ¼ teaspoon dried herb per cup (rarely used due to taste).

• Capsules: Not common; use with caution.

Safety

• Cautions: Narrow therapeutic window; overdose causes nausea, vomiting, hypotension, respiratory depression.

• Contraindications: Pregnancy, lactation, children, cardiac disease.

• Drug interactions: May potentiate other respiratory depressants.

Marshmallow (Althaea officinalis)

Family: Malvaceae

Medicinal Parts: Root (primary), leaves

Constituents

• Mucilage polysaccharides (up to 35%)

• Flavonoids (kaempferol, quercetin derivatives)

• Phenolic acids

• Pectin, asparagine

Actions

• Demulcent: Soothes irritated mucous membranes of the throat and lungs.

• Expectorant: Facilitates clearance of mucus in dry or sticky cough.

• Anti-inflammatory: Reduces airway irritation.

• Protective: Forms a mucilaginous barrier that reduces tissue damage.

Indications

• Principal: Dry, irritating coughs, bronchitis, sore throat.

• Major: Asthma, COPD, pneumonia recovery (for soothing irritation).

• Minor/Other: Gastritis, esophagitis, urinary tract irritation.

Dosage

• Cold infusion (best for mucilage): 2–4 g dried root soaked in cold water for several hours, 1–2 cups daily.

• Tea/Infusion (leaves): 1–2 g infused in hot water, 2–3 times daily.

• Tincture: 30–60 drops, 3 times daily.

Safety

• Cautions: May delay absorption of oral medications (due to mucilage coating).

• Contraindications: None known at therapeutic doses.

• Drug interactions: May interfere with absorption of prescription drugs; separate by 1–2 hours.

Mullein (Verbascum thapsus)

Family: Scrophulariaceae

Medicinal Parts: Leaves, flowers, root

Constituents

• Saponins

• Mucilage

• Flavonoids (apigenin, luteolin)

• Iridoids, phenolic acids

Actions

• Expectorant: Promotes productive cough and mucus clearance.

• Demulcent: Soothes irritated mucous membranes.

• Anti-inflammatory: Reduces airway irritation and spasm.

• Antimicrobial: Some activity against influenza and bacterial pathogens.

Indications

• Principal: Chronic bronchitis, COPD, dry irritated cough.

• Major: Asthma adjunct, pneumonia recovery.

• Minor/Other: Ear infections (oil preparations), sore throat.

Dosage

• Tea/Infusion: 1–2 cups daily (2–4 g dried leaves/flowers steeped).

• Capsules: 300–500 mg twice daily.

• Tincture: 30–60 drops, 3 times daily.

Safety

• Cautions: Filter tea carefully (tiny hairs may irritate throat).

• Contraindications: None known at normal doses.

• Drug interactions: None reported.

Myrrh (Commiphora myrrha)

Family: Burseraceae

Medicinal Parts: Gum resin

Constituents

• Sesquiterpenes

• Tannins

• Flavonoids

• Volatile oils (furanoeudesma-1,3-diene)

Actions

• Antimicrobial: Broad-spectrum antibacterial, antifungal, antiviral.

• Anti-inflammatory: Reduces local inflammation.

• Astringent: Tones and protects mucous membranes.

• Expectorant: Helps loosen phlegm.

Indications

• Principal: Sore throat, upper respiratory tract infections.

• Major: Bronchitis, pharyngitis, oral ulcers.

• Minor/Other: Gum disease, wound healing.

Dosage

• Tincture: 30–60 drops, 3 times daily (diluted for gargle or internal).

• Powder/resin: 200–600 mg daily.

• Inhalation: Added to steam therapy.

Safety

• Cautions: Strong taste; may cause stomach upset.

• Contraindications: Pregnancy (uterine stimulant), breastfeeding.

• Drug interactions: May reduce effectiveness of anticoagulants.

Osha Root (Ligusticum porteri)

Family: Apiaceae

Medicinal Parts: Root

Constituents

• Phthalides (Z-ligustilide)

• Polyacetylenes

• Ferulic acid

• Phytosterols

Actions

• Expectorant: Clears mucus from airways.

• Bronchodilator: Relieves constriction in asthma/COPD.

• Antimicrobial: Effective against viral and bacterial respiratory pathogens.

• Circulatory stimulant: Increases oxygenation.

Indications

• Principal: Cough with thick mucus, bronchitis, pneumonia recovery.

• Major: Asthma, COPD flare-ups, viral respiratory infections.

• Minor/Other: Sore throat, altitude sickness.

Dosage

• Tincture: 30–60 drops, 3 times daily.

• Capsules: 500 mg twice daily.

• Tea: 1–2 cups per day from decoction of dried root.

Safety

• Cautions: Harvest is often unsustainable use ethically sourced root.

• Contraindications: Pregnancy, breastfeeding.

• Drug interactions: None documented, but avoid with strong anticoagulants.

Peppermint (Mentha piperita)

Family: Lamiaceae

Medicinal Parts: Leaves, essential oil

Constituents

• Menthol, menthone

• Rosmarinic acid

• Flavonoids

• Volatile oils

Actions

• Decongestant: Menthol opens nasal passages and airways.

• Expectorant: Promotes mucus clearance.

• Antispasmodic: Relaxes smooth muscles.

• Cooling analgesic: Relieves sore throat.

Indications

• Principal: Nasal congestion, colds, sore throat.

• Major: Bronchitis, coughs, mild asthma support.

• Minor/Other: Headaches, digestive upset.

Dosage

• Tea: 1–2 cups daily (1–2 tsp dried leaves).

• Tincture: 30–60 drops, 3 times daily.

• Essential oil: 1–2 drops in steam inhalation or diluted in carrier oil.

Safety

• Cautions: Essential oil can trigger reflux or heartburn.

• Contraindications: Infants (risk of laryngeal spasm), caution with GERD.

• Drug interactions: May reduce iron absorption; caution with antacids.

Pine Needle (Pinus spp.)

Family: Pinaceae

Medicinal Parts: Needles, essential oil

Constituents

• Vitamin C

• Terpenes (α-pinene, β-pinene, limonene)

• Flavonoids

Actions

• Respiratory stimulant: Clears congestion, promotes deep breathing.

• Antimicrobial: Inhibits bacteria and viruses.

• Expectorant: Loosens phlegm.

• Circulatory support: Improves peripheral blood flow.

Indications

• Principal: Respiratory infections, congestion, coughs.

• Major: Asthma, COPD, chronic bronchitis (adjunct).

• Minor/Other: Fatigue, scurvy prevention (traditional).

Dosage

• Tea/Infusion: 1–2 cups daily (1 tsp chopped fresh needles).

• Essential oil: Inhaled in steam or diffuser; not for internal use.

Safety

• Cautions: Essential oil may irritate mucous membranes.

• Contraindications: Pregnancy (uterotonic risk).

• Drug interactions: None significant noted.

Plantain (Plantago major, Plantago lanceolata)

Family: Plantaginaceae

Medicinal Parts: Leaves, seeds

Constituents

• Iridoid glycosides (aucubin, catalpol)

• Mucilage

• Flavonoids (apigenin, luteolin)

• Tannins

Actions

• Demulcent: Soothes inflamed mucous membranes.

• Expectorant: Promotes productive cough.

• Anti-inflammatory: Reduces airway swelling.

• Antimicrobial & wound-healing: Protects against bacterial and viral infection.

Indications

• Principal: Acute coughs, bronchitis, lung irritation.

• Major: Asthma, COPD adjunct, sore throat.

• Minor/Other: Wound healing, urinary tract irritation.

Dosage

• Tea/Infusion: 1–2 cups daily (2–4 g dried leaf).

• Tincture: 30–60 drops, 3 times daily.

• Capsules: 300–500 mg twice daily.

Safety

• Cautions: Rare allergic reactions possible.

• Contraindications: None known at normal doses.

• Drug interactions: None significant.

Sage (Salvia officinalis)

Family: Lamiaceae

Medicinal Parts: Leaves

Constituents

• Volatile oils (thujone, cineole, camphor, borneol)

• Phenolic acids (rosmarinic acid, caffeic acid)

• Flavonoids (luteolin, apigenin, quercetin)

• Diterpenes (carnosol, carnosic acid)

• Tannins

Actions

• Antimicrobial: Strong antibacterial, antiviral, and antifungal effects.

• Anti-inflammatory: Reduces throat and airway inflammation.

• Astringent: Tightens and tones mucous membranes.

• Antioxidant: Protects tissues from oxidative stress.

• Mild expectorant: Helps loosen phlegm.

Indications

• Principal: Sore throat, pharyngitis, tonsillitis.

• Major: Colds, influenza, cough, bronchitis.

• Minor/Other: Excessive sweating (including night sweats), menopausal hot flashes, digestive weakness.

Dosage

• Tea/Infusion: 1–2 cups daily (1–2 g dried leaf per cup).

• Tincture: 30–60 drops, up to 3 times daily.

• Gargle: Strong infusion (2–3 tsp dried leaf per cup) used warm for sore throat.

• Essential oil: For inhalation only, always diluted.

Safety

• Cautions: Essential oil (especially thujone) is neurotoxic in high doses.

• Contraindications: Pregnancy, epilepsy (due to thujone content).

• Drug interactions: May reduce effectiveness of anticonvulsant medications; high-dose sage tea may lower blood sugar and interact with antidiabetic drugs.

Thyme (Thymus vulgaris)

Family: Lamiaceae

Medicinal Parts: Leaves, flowering tops, essential oil

Constituents

• Essential oils (thymol, carvacrol)

• Rosmarinic acid

• Flavonoids

• Tannins

Actions

• Antimicrobial: Potent antiseptic and antiviral.

• Expectorant: Promotes mucus clearance.

• Antispasmodic: Relieves cough spasms.

• Anti-inflammatory: Reduces bronchial irritation.

Indications

• Principal: Acute and chronic bronchitis, coughs.

• Major: URIs, influenza, asthma adjunct.

• Minor/Other: Oral infections, digestive spasm.

Dosage

• Tea: 1–2 cups daily (1–2 g herb per cup).

• Tincture: 30–60 drops, 3 times daily.

• Essential oil: 2–3 drops in steam inhalation (well diluted).

Safety

• Cautions: Essential oil is strong and should be diluted.

• Contraindications: Pregnancy (essential oil).

• Drug interactions: May potentiate anticoagulants and thyroid medications.

White Horehound (Marrubium vulgare)

Family: Lamiaceae

Medicinal Parts: Aerial parts

Constituents

• Diterpenes (marrubiin)

• Flavonoids

• Tannins

• Volatile oils

Actions

• Expectorant: Stimulates bronchial secretions, loosens mucus.

• Antispasmodic: Relieves bronchial spasm.

• Bitter tonic: Improves digestion and appetite.

Indications

• Principal: Coughs, especially spasmodic or persistent.

• Major: Chronic bronchitis, asthma adjunct.

• Minor/Other: Indigestion, loss of appetite.

Dosage

• Tea: 1–2 cups daily (1–2 g herb steeped).

• Tincture: 30–60 drops, 3 times daily.

• Syrup: Often combined in traditional cough syrups.

Safety

• Cautions: Large doses may cause nausea.

• Contraindications: Pregnancy (uterine stimulant).

• Drug interactions: None significant.

Wild Cherry Bark (Prunus serotina)

Family: Rosaceae

Medicinal Parts: Inner bark

Constituents

• Cyanogenic glycosides (prunasin, amygdalin release small amounts of hydrocyanic acid)

• Tannins

• Flavonoids

• Volatile oils

Actions

• Antitussive: Calms dry, hacking coughs.

• Mild sedative: Soothes respiratory irritation and restlessness.

• Astringent: Reduces throat inflammation.

Indications

• Principal: Dry, spasmodic cough.

• Major: Whooping cough, bronchitis with unproductive cough.

• Minor/Other: Asthma irritation, sore throat.

Dosage

• Tincture: 30–60 drops, 3 times daily.

• Syrup: Traditionally used in cough syrups (follow manufacturer’s dosage).

• Tea/Decoction: 1–2 cups daily (small amounts of bark simmered).

Safety

• Cautions: Cyanogenic compounds in raw bark safe when properly prepared, but avoid excess.

• Contraindications: Pregnancy, lactation, very young children.

• Drug interactions: Avoid with other sedatives.

Yarrow (Achillea millefolium)

Family: Asteraceae

Medicinal Parts: Aerial parts (leaves, flowers)

Constituents

• Flavonoids (apigenin, luteolin, quercetin)

• Sesquiterpene lactones (achillolide)

• Alkaloids (achilleine)

• Tannins, volatile oils (camphor, cineole, borneol)

Actions

• Anti-inflammatory: Reduces respiratory and mucosal irritation.

• Antimicrobial: Broad activity against bacteria and viruses.

• Expectorant & antitussive: Helps clear mucus while calming coughs.

• Astringent & hemostatic: Tones tissues and reduces bleeding.

• Diaphoretic: Promotes sweating to help break fevers.

Indications

• Principal: Colds, influenza, fevers.

• Major: Bronchitis, pneumonia recovery, early-stage respiratory infections.

• Minor/Other: Asthma adjunct, wound healing, digestive upset.

Dosage

• Tea/Infusion: 1–2 cups daily (2–4 g dried herb).

• Tincture: 30–60 drops, 3 times daily.

• Capsules: 300–500 mg, twice daily.

Safety

• Cautions: May cause allergic reaction in those sensitive to Asteraceae plants.

• Contraindications: Pregnancy (uterotonic effect), caution with bleeding disorders.

• Drug interactions: May potentiate anticoagulants; avoid concurrent high-dose NSAIDs.

Additional Herbs You May Want to Consider

In addition to the 25 primary herbs detailed in this collection, there are several other traditional plants with a long history of use in respiratory health. These can be valuable adjuncts, especially in more specialized cases:

• Coltsfoot (Tussilago farfara): Classic demulcent and antitussive for dry, persistent coughs and chronic bronchitis.

• Grindelia (Grindelia spp.): Calms spasmodic coughs and eases breathing in asthma and COPD by relaxing bronchial smooth muscle.

• Iceland Moss (Cetraria islandica): A mucilage-rich lichen that soothes throat irritation and supports chronic respiratory weakness.

• Sweet Violet (Viola odorata): Traditionally used to quiet coughs, reduce chest congestion, and ease throat inflammation.

• Anise (Pimpinella anisum) / Fennel (Foeniculum vulgare): Aromatic seeds with expectorant, antispasmodic, and carminative properties; often combined in cough syrups and teas.

• Pleurisy Root (Asclepias tuberosa): North American herb valued for pleurisy, pneumonia, and bronchitis with thick, difficult-to-expectorate mucus.

• Linden (Tilia cordata): A gentle diaphoretic and calming remedy for feverish colds, influenza, and restlessness, especially in children and the elderly.

These herbs broaden the range of therapeutic strategies from soothing mucilage-rich plants to bronchial relaxants and gentle fever remedies and may be especially useful for practitioners tailoring protocols to individual patients.

The information contained in these herbal monographs is provided for educational and reference purposes only. It is not intended as a substitute for professional medical advice, diagnosis, or treatment. Readers should not use this information to diagnose or treat a health problem or disease without consulting a qualified healthcare provider.

Herbal medicines can interact with prescription and over-the-counter medications and may not be suitable for individuals with certain health conditions, during pregnancy, or while breastfeeding. The authors and publishers of this material assume no responsibility for any adverse effects, consequences, or liability resulting from the use or misuse of the information provided herein.

By using this material, you acknowledge that you do so at your own discretion and risk, and that you accept full responsibility for your health decisions.

About the Compiler of these Monographs

Dr. Gregory T. Lawton is a multi-credentialed health professional and educator with more than five decades of experience in traditional, manual, and holistic medicine. Trained and licensed as a Doctor of Chiropractic, Doctor of Naprapathy, Acupuncturist, and a registered Naturopathic Doctor he has dedicated his life to developing integrative and evidence-informed approaches to patient care.

In addition to clinical practice, Dr. Lawton is a master herbalist, martial artist, poet, and artist, whose wide-ranging vision of health embraces body, mind, and spirit. He is the founder of the Blue Heron Academy of Healing Arts and Sciences, a nationally recognized training institution, and serves as director of American Health Source, a project devoted to advancing holistic education and community wellness.

Throughout his career, Dr. Lawton has authored numerous manuals, monographs, and continuing education courses for massage therapists, naturopathic practitioners, and holistic health professionals. His teaching philosophy blends traditional healing wisdom with modern science, emphasizing service, compassion, and empowerment as central to the practice of medicine.

For over fifty years, Dr. Lawton has been a member of the Bahá’í Faith, drawing on its principles of unity and service to humanity as guiding lights for his professional and personal work. His life mission is captured in the phrase “Building a Healing Community” a vision of health education and practice rooted in knowledge, empowerment, and unconditional service.

Copyright Statement

© 2025 Gregory T. Lawton. All rights reserved.

No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author, except in the case of brief quotations used in reviews, educational settings, or noncommercial references with full attribution.

This material is intended for educational purposes only. While the information presented is based on traditional knowledge, clinical experience, and available research, it is not intended as a substitute for professional medical advice, diagnosis, or treatment. The author and publisher disclaim any liability arising from the use or misuse of this material.

Requests for permission to reproduce or distribute this material should be directed to:

Blue Heron Academy of Healing Arts & Sciences info@blueheronacademy.com

Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.