Diabetes is a common long term condition that affects how the body uses sugar. When blood sugar stays high for a long time, it can slowly harm the heart, kidneys, eyes, nerves and feet. With regular checks, the right medicines and healthy habits, many people with diabetes live active, full lives.
A diabetologist in Chennai can help with regular monitoring, a treatment plan that suits the person and guidance on food and exercise. Starting care early helps lower the risk of complications and makes daily life with diabetes easier to manage.
What is Diabetes?
Diabetes happens when the body cannot keep blood sugar at a healthy level. Insulin is the hormone that moves sugar from the blood into the body’s cells. In diabetes, there is too little insulin, or the body does not respond to it properly.
The main types are:
- Type 1 diabetes: The body makes little or no insulin, because the immune system damages the cells that produce it. It often starts in childhood or young adulthood, and insulin injections are needed.
- Type 2 diabetes: The body makes insulin but cannot use it well. This is the most common type in India and is linked to weight, activity levels, diet and family history.
- Gestational diabetes: High blood sugar that first appears during pregnancy. It usually settles after delivery, but it raises the mother’s chance of type 2 diabetes later.
Common symptoms include passing urine often, feeling very thirsty, tiredness and blurred vision. Many people with type 2 diabetes have no symptoms at first, which is why regular blood tests matter.
Diabetologists in Chennai at Prashanth Hospitals
Diabetes care at Prashanth Hospitals is provided by diabetologists, physicians and internal medicine specialists. Each doctor’s qualifications and areas of care are given below.
Dr. Manimegalai R. S
Education: MBBS, AFIH
Experience: 35+ years
Areas of care: general medicine, diabetology
About the Doctor:
Dr. Manimegalai R. S is a senior general physician at Prashanth Hospitals whose practice includes diabetes care. Her consultations cover sugar monitoring, medicine reviews and advice on overall health, with time for patients and family members to ask questions.

Dr. Gopal D
Education: MBBS, Dip. Family Medicine, Dip. Diabetology, PGDM, Exec. Healthcare Mgmt
Experience: 27+ years
Areas of care: diabetes, family medicine
About the Doctor:
Dr. Gopal D is a diabetologist in Chennai with training in family medicine and diabetology. He plans long term diabetes care around each patient’s daily routine, with regular follow up, medicine adjustments and lifestyle advice.

Dr. Rajesh Krishnan H
Education: MBBS, FID, DIP (Diabetes)
Experience: 13+ years
Areas of care: diabetology, diabetes prevention and management, lifestyle and metabolic disorders
About the Doctor:
Dr. Rajesh Krishnan H is a diabetologist in Chennai whose work covers both preventing diabetes and managing it. He guides people with prediabetes and diabetes on food, exercise and weight, along with medicines when needed.

Dr. C. Ananthakrishnan
Education: MBBS, MD, PG Dip. Diabetes, FGID, CCEBDM
Experience: 8+ years
Areas of care: diabetes, gestational diabetes, autoimmune disorders, geriatric care
About the Doctor:
Dr. C. Ananthakrishnan is a consultant in internal medicine and a diabetologist in Chennai. He cares for women with diabetes in pregnancy, older adults with diabetes and people with autoimmune conditions, where blood sugar control needs extra attention.

Dr. Rajesh Kumar J
Education: MD (Internal Medicine)
Experience: 13+ years
Areas of care: internal medicine, diabetology
About the Doctor:
Dr. Rajesh Kumar J is a consultant in internal medicine and a diabetologist in Chennai. He manages diabetes along with related conditions such as high blood pressure and high cholesterol, and reviews treatment at each follow up visit.
When Should You See a Diabetologist in Chennai?
It is a good idea to see a diabetes doctor if:
- Blood sugar tests keep showing high readings
- Sugar levels are hard to control with diet and exercise alone
- There is a family history of diabetes
- There is unusual tiredness, weight loss or weight gain
- Cuts or wounds take a long time to heal
- There is tingling, numbness or burning in the feet
Seek urgent medical help for very high sugar readings with vomiting, confusion or fast breathing, or for low sugar signs such as shaking, sweating and confusion that do not improve after taking sugar.
What Does a Diabetologist Do?
A diabetologist uses tests and regular reviews to manage diabetes:
- Blood sugar testing and monitoring: Fasting and after meal sugar tests, and home or continuous glucose monitoring when needed
- HbA1c test: Shows the average blood sugar over the past 2 to 3 months
- Insulin and medicine guidance: Starting, adjusting and explaining medicines and insulin
- Diet and lifestyle counselling: Practical advice on food, exercise and weight
- Screening for complications: Regular checks of the kidneys, eyes, nerves and feet
Treatment is adjusted over time as test results and the person’s needs change.

Diabetes and Foot Care
Diabetes care at Prashanth Hospitals includes:
- Diabetologists, physicians and internal medicine doctors
- Treatment plans based on each patient’s test results and routine
- Blood tests, HbA1c and checks for complications
- Diet and lifestyle counselling
Services may differ by branch, so please confirm before visiting.
Conclusion
Diabetes is a long term condition, but it can be managed well with the right support. Early diagnosis, regular checks and a clear treatment plan help lower the risk of complications. A visit to a diabetologist in Chennai is a good starting point to check sugar levels, review current treatment and agree on a follow up schedule.