There are 8 branches in Ayurveda ('Ashtanga Ayurveda'):- 

 1. Kayachikitsa (Internal Medicine) - It deals with the diseases which are caused by the impairment of digestion and metabolism. 'Kaya' means agni (Digestive fire) or the enzymes responsible for the digestion as well as metabolism.

2. Koumara Brutya (Paediatrics)

3. Bhoota Vaidya (Psychiatry)

4. Agadatantra (Toxicology)

5. Shalakya Tantra (ENT and Ophthalmology)

6. Shalya Tantra ( Surgery)

7. Rasayana (Geriatrics) - Science of Rejuvenation. It deals with health and care of old people.

8. Vajeekarana (Virilisation Therapy)