Vasaka

Adhatoda vasica (Justicia adhatoda) · herb

Also known as: Malabar nut, Adusa, Aduso

Parts used: Leaves

Active compounds

Vasicine, vasicinone, vasicinol (quinazoline alkaloids)

Pharmacology

Bronchodilator and expectorant action attributed to vasicine, which has shown mast-cell stabilizing and bronchospasm-protective effects in animal models. Vasicinone is being studied as a precursor to bromhexine and ambroxol (modern mucolytics).

General dosage

Standardized leaf extract: 100-300 mg, 2-3 times daily. Traditional decoction: 5-10 g dry leaf daily.

Contraindications

Pregnancy (uterotonic activity), known hepatic disease at higher doses.

Interactions

May potentiate antiplatelet and anticoagulant drugs.

Safety notes

Generally well-tolerated in traditional doses. Avoid high-dose extracts long-term without monitoring.

How traditions use Vasaka

Vasaka for asthma (Ayurveda) — Ayurveda