Diabetes is a long term disease and can be treated through various systems of medicines.  

Homeopathy has a positive role in early diagnosed cases through constitutional corrections. Many Homeopaths also uses Yoga and Naturopathy along with homeopathic remedies. If the blood sugar is very high the priority is to control the elevated blood sugar to save him from life threatening complications.  

There are homeopathic remedies, called organopathic remedies that could reduce the sugar. The commonly used one are Uranium Nitricum, Phosphoric Acid, Syzygium Jambolanum, Gymnema sylvestre and Cephalandra Indica. These are used in physiologically active doses such as Mother tincture or 3x, depending up on the level of the blood sugar and the requirement of the patient.

Another approach is to understand the profile of the patient through a patho- physiological profiling through a detailed case taking and then select a constitutional remedy. This is a unique concept in homeopathy. For this one has to take a detailed history of the patient, his personal, family history, past history, emotions, individual preference, likings, dislikes, sleep, reactions at physical and mental levels and so are taken and arrive at the individualizing features of the patient. The process is called Individualization and a remedy is selected  that suits  more close to this  diseases picture (Similia principle). This differentiates Homeopathy from other medical systems. The modern scientists are gradually accepting this concept and they call it personalized medicine or Theranostics.