Telmisartan is used in the treatment of Hypertension (high blood pressure), prevention of heart attack, and stroke, and Heart failure.


How Does Telmisartan Works

Telmisartan is an angiotensin receptor blocker (ARB). It relaxes blood vessels by blocking the action of a chemical that usually makes blood vessels tighter. This lowers the blood pressure, allowing the blood to flow more smoothly to different organs and the heart to pump more efficiently.

Telmisartan belongs to a class of medications called angiotensin receptor blockers (ARBs). A class of drugs is a group of medications that act in a related way. They’re usually used to treat similar conditions.

Side Effects

Telmisartan oral tablet doesn’t cause drowsiness. However, it may cause other side effects.

  • Nasal congestion (stuffy nose)
  • Back pain
  • Diarrhea
  • Sinus pain
  • Upset stomach
  • Muscle pain
  • Headache
  • Dizziness
  • Fatigue
  • Sore throat
  • Flu-like symptoms

If these effects are mild, they may go away within a few days or several weeks. If they’re more severe or don’t go away, talk to your doctor or pharmacist.

Forms and strengths

Generic: Telmisartan

  • Form: Oral tablet
  • Strengths: 20 mg, 40 mg, 80 mg

Brands: Telma, Tazloc, Telmikind, Telvas, Telista, Eritel, Telsartan, Tellzy, Telsar Temsan, Etc.

  • Form: Oral tablet
  • Strengths: 20 mg, 40 mg, 80 mg


Adult dosage (ages 18 years and older)

  • The usual starting dose is 40 mg, taken by mouth, once per day.
  • The sustaining dose is 20–80 mg, taken by mouth, once per day.


  • Take it at the same time every day to help you remember to take it.
  • It can make you feel dizzy for the first few days. Rise slowly if you have been sitting or lying down for a long time.
  • Your doctor may get regular tests done to monitor the level of urea, creatinine, and potassium in your blood.
  • Avoid taking anti-inflammatory medicines such as ibuprofen along with this medicine without consulting your doctor.

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