Telsartan 20

Tablet · Dr. Reddy's
PRESCRIPTION MEDICINE

Telsartan 20 is a tablet made by Dr. Reddy's that contains Telmisartan 20 mg. Telmisartan is a blood pressure medicine (arb): lowers blood pressure and protects the heart and kidneys.

Ingredient (salt)Amount
Telmisartan20 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 (1)

Telma 20

Ask your doctor or pharmacist before switching brands.

Same ingredients, different strength or form

Telma 40Telmikind 40Arbitel 40Telsartan 40Micardis 40Telvas 40Telma 80Telmikind 80Arbitel 80Telsartan 80Tazloc-40Telsar 40Telpres 40Telista 40Sartel-40Eritel 40Tellzy 40Cresar 40

Common questions

What is Telsartan 20?

Telsartan 20 is a tablet by Dr. Reddy's containing Telmisartan 20 mg.

What is Telsartan 20 used for?

Lowers blood pressure and protects the heart and kidneys.

How should I take Telsartan 20?

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 20?

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 20 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 20 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 20?

Brands with the same composition: Telma 20. Ask your doctor or pharmacist before switching.

Sources and further reading

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.

🔎 Search another medicine

For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.