Botanical Overview

Lobelia inflata, commonly known as Indian tobacco, Puke weed, or Vomiting lobelia, belongs to the Campanulaceae family. It is native to Eastern North America and primarily the aerial parts including leaves and whole plant are used medicinally.

Energetics

This herb is considered warming and drying in nature, with bitter and pungent tastes. Its energetic actions include both ascending and descending directionality, and it acts as a relaxing tonic affecting the body’s qi.

Primary Actions

• Expectorant
• Respiratory stimulant
• Emetic
• Nervine

Indications

Western

• Asthma
• Bronchitis
• Cough
• Muscle spasm
• Respiratory congestion

Syndromes

• Respiratory sluggishness
• Bronchospasm

TCM

No traditional use reported.

Ayurveda

No traditional use reported.

Unani

No traditional use reported.

Constituents & Mechanisms

The plant contains alkaloids, particularly lobeline and other pyridine alkaloids, which account for its respiratory stimulant, expectorant, and emetic effects.

Dosage & Preparations

• Tincture 1:5 (40% ethanol) 0.5-1 mL 1-3 times daily
• Infusion 1-2 g aerial parts once or twice daily

Safety & Contraindications

Use with caution due to potential toxicity including nausea, vomiting, cardiac effects. Contraindicated in pregnancy, lactation, cardiovascular disease, and epilepsy. Interactions may occur with sedatives, nicotine therapy, and antihypertensive drugs.

Astrological Correspondences

No confidently sourced planetary or elemental rulers identified.

Selected References

• Plants For A Future: Lobelia inflata (Indian Tobacco)
• Herbal Medicine: Biomolecular and Clinical Aspects, 2nd Edition – Lobelia inflata: Pharmacology and Toxicity
• NIH NCCIH: Lobelia (Lobelia inflata) Fact Sheet for Health Professionals