The Eight Branches of Ayurvedic Medicine
Classical Ayurveda is organized into eight specialized branches (Ashtanga Ayurveda) covering the entire range of human medical conditions — establishing it as a complete medical system comparable in scope to modern biomedicine.
The eight branches (Ashtanga) of Ayurveda are: Kaya Chikitsa (internal medicine — the treatment of all diseases arising from internal doshic imbalance), Bala Tantra (pediatrics, including neonatal care and pediatric pharmacology), Graha Chikitsa (psychiatry and psychology — including the treatment of spirit possession, described as ancient clinical psychiatry), Urdhvanga Tantra/Shalakya Tantra (ENT, ophthalmology, and dentistry — treatment of organs above the shoulder), Shalya Tantra (surgery — Sushruta's surgical tradition including rhinoplasty, cataract surgery, and Cesarean section), Agada Tantra (toxicology — treatment of all types of poisons, venoms, and environmental toxins), Rasayana Tantra (rejuvenation therapy — anti-aging, longevity, and enhancement of all faculties), and Vajikarana Tantra (reproductive medicine and aphrodisiac therapy — the optimization of reproductive function and the treatment of sexual disorders). This comprehensive classification demonstrates that classical Ayurveda was a sophisticated, complete medical system rather than merely a collection of herbal remedies.
Ayurveda has eight branches; a physician who masters them all is a complete healer.
Medical historian Dominik Wujastyk's The Roots of Ayurveda documents that Sushruta Samhita's surgical descriptions — including rhinoplasty, cataract couching, and lithotomy — were the most advanced surgical knowledge available anywhere in the ancient world, and that Indian rhinoplasty techniques were the direct precursors of modern reconstructive surgery.
Ashtanga Hridayam