Telsartan 40
Telsartan 40 is a tablet made by Dr. Reddy's that contains Telmisartan 40 mg. Telmisartan is a blood pressure medicine (arb): lowers blood pressure and protects the heart and kidneys.
| Ingredient (salt) | Amount |
|---|---|
| Telmisartan | 40 mg |
What it is used for
Lowers blood pressure and protects the heart and kidneys.
How it works
An angiotensin receptor blocker (ARB). It stops the hormone angiotensin II from narrowing blood vessels, which lowers blood pressure and protects the heart and kidneys.
How to take it
Usually 20 to 80 mg once a day at the same time, with or without food. It takes 2 to 4 weeks for the full effect. Keep taking it even if you feel well.
Common side effects
- Dizziness, especially when standing up
- Tiredness
- Raised potassium
Get medical help straight away if
- Swelling of the face, lips or tongue
- Fainting
- Much less urine
- Muscle weakness or irregular heartbeat (high potassium)
Be careful
Not in pregnancy. Can raise potassium; get blood tests as advised.
Other medicines and interactions
Potassium supplements, salt substitutes, spironolactone and NSAIDs raise potassium and kidney risk. Do not combine with an ACE inhibitor or aliskiren. Raises lithium levels.
Pregnancy and breastfeeding
Must not be used in pregnancy (it harms the baby's kidneys); switch before trying to conceive. Ask your doctor about breastfeeding; other medicines may be preferred.
Same composition, other brands (13)
Ask your doctor or pharmacist before switching brands.
Same ingredients, different strength or form
Common questions
What is Telsartan 40?
Telsartan 40 is a tablet by Dr. Reddy's containing Telmisartan 40 mg.
What is Telsartan 40 used for?
Lowers blood pressure and protects the heart and kidneys.
How should I take Telsartan 40?
Usually 20 to 80 mg once a day at the same time, with or without food. It takes 2 to 4 weeks for the full effect. Keep taking it even if you feel well. Always follow the dose your doctor or the pack gives.
What are the side effects of Telsartan 40?
Common side effects include: Dizziness, especially when standing up, tiredness, raised potassium. Get medical help straight away for: Swelling of the face, lips or tongue, fainting, much less urine, muscle weakness or irregular heartbeat (high potassium).
Does Telsartan 40 need a prescription?
Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.
Can I take Telsartan 40 in pregnancy or while breastfeeding?
Must not be used in pregnancy (it harms the baby's kidneys); switch before trying to conceive. Ask your doctor about breastfeeding; other medicines may be preferred.
What are the substitutes for Telsartan 40?
Brands with the same composition: Telma 40, Telmikind 40, Arbitel 40, Micardis 40, Telvas 40, Tazloc-40, Telsar 40, Telpres 40, Telista 40, Sartel-40, Eritel 40, Tellzy 40. Ask your doctor or pharmacist before switching.
Sources and further reading
- Telmisartan: NHS · MedlinePlus
NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.
Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.
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