Traditional Ayurveda speaks of eight sections, known as Astanga Ayurveda:
1- Shalya Chikitsa describes surgery/surgical treatment and midwifery.
2- Shalakya (otology, rhinology, dentistry and ophthalmology) deals with the diagnosis and treatment of conditions of the eye, ear, nose, throat, nape of the neck, cervical problems, head, teeth, mouth, etc.
3- Kāyāchikitsā (internal medicine) deals with the diagnosis, treatment and management of body ailments.
4- Bhuta vidya (psychopathology/psychology/microbiology) deals with the diagnosis, treatment and management of psychological, psychogenic, somatopsychic and psychosomatic disorders.
5- Kaumāryabhritya deals with pediatrics, gynaecology & obstetrics.
6- Agad Tantra (toxicology, medical jurisprudence) describes the treatment of poisons (toxins).
7- Rasayana Tantra (science of rejuvenation) deals with maintaining longevity, intellectual behavior, rejunevating the body and general health.
8- Bajeekaran Tantra (science of aphrodisiacs/maintenance of vigor) promotes sexual power, strengthens the body, vigor, etc.
The basic motive of Ayurveda is to keep the healthy person healthy and to cure the ill.
Eight sections of Ayurveda