Vacha

Sanskrit: वचा Botanical: Acorus calamus Linn.

One of the most important Medhya (brain tonic) drugs in Ayurveda. The rhizome is the part used. Grows near water bodies, marshes, and swamps.

Ayurvedic Properties

Taste (Rasa)
Pungent (Katu), Bitter (Tikta)
Quality (Guna)
Laghu, Tikshna
Potency (Virya)
Hot (Ushna)
Post-digestive (Vipaka)
Katu
Key Constituents
Volatile oil (1.5-3.5%), beta-Asarone, Acorin, Calamine, Camphor
Also Known As
Sanskrit: वचा, उग्रगन्धा, शतपर्वी, गोलोमी
Hindi: बच, वच, घोड़वच

What is Vacha / Sweet Flag?

One of the most important Medhya (brain tonic) drugs in Ayurveda. The rhizome is the part used. Grows near water bodies, marshes, and swamps.

Source: Bhavaprakash Nighantu, Varga 1

Therapeutic Actions (Karma)

  • Medhya (improves intellect — prime Medhya drug)
  • Smriti Vardhaka (improves memory)
  • Vak Shuddhi (purifies speech)
  • Deepana, Pachana
  • Krimighna (anthelmintic)
  • Unmada hara (psychiatric disorders)
  • Apasmara hara (anti-epileptic)
  • Kapha-Vata Shamaka

Source: Bhavaprakash Nighantu, Varga 1

Vacha by Condition

Explore how Vacha is used for specific health concerns — with dosage, preparation methods, and classical references for each.

Medical Disclaimer: The information on this page is for educational purposes only and is not intended as medical advice. Ayurvedic treatments should be pursued under the guidance of a qualified practitioner (BAMS/MD Ayurveda). Always consult your healthcare provider before starting any new treatment. Content is sourced from classical Ayurvedic texts and may not reflect the latest medical research.