The diagnosis of diseases involve identifying it causes. Identification of causative factors is through the examination of pulse, urine, eyes, study of voice, color of body, tongue and the status of the digestive system. The system has worked out details procedure of urine examination which includes study of its color, smell, density, quantity and oil drop spreading pattern. It holistic in approach and the diagnosis involves the study of person as a whole as well as his disease.
The Siddha System of Medicine emphasizes that medical treatment is oriented not merely to disease but has to take into account the patient, environment, the meteorological consideration, age, sex, race, habits, mental frame, habitat, diet, appetite, physical condition, physiological constitution etc. This means the treatment has to be individualistic, which ensures that mistakes in diagnosis or treatment are minimal.
The Siddha System also deals with the problems affecting the women's health and a lot of formulations are available in the Siddha classics which can counter the problems for a better living. The care for women's health starts from the first day of the girl child. The Siddha System strongly advocates breast feeding upto the first three months of the life. The Siddha System believes in the principle of Food itself is medicine and during this nursing period, lactating mothers are advised to take the food rich in iron, protein and fibre so as to prevent any nutritional disorders both to the child as well as the mothers. Once in 15 days, the mothers are advised to take simple remedies for de -worming so that they may not land up in anaemic conditions.
For any diseases due to infection or otherwise, the treatment is individualistic on examination of that particular patient. Once the girl child attained menarche, the Siddha System has got a variety of preparations which can strengthen her reproductive system so as to deliver a healthy child in future. And also, effective treatments are available to take care of the menopausal syndromes, especially problems related to the hormonal imbalance.
The Siddha System is effective in treating chronic cases of liver, skin diseases especially Psoriasis, rheumatic problems, anaemia, prostate enlargement, bleeding piles and peptic ulcer. The Siddha Medicines which contains mercury, silver, arsenic, lead and sulpher have been found to be effective in treating certain infectious diseases including venereal diseases. Practitioners have claimed that Siddha medicines are effective in reducing the highly debilitating problems that manifest themselves among patients of HIV/AIDS. More research into the efficacy of these medicines is presently in progress.