This page contains brief details about the drug , it's indication, dosage & administaration, mechanism of action, related brands with strength, warnings and common side effects.

Background and Date of Approval

Telmisartan, hydrochlorothiazide is an anti-hypertension medication developed by the U.S. Food And Drug Administration and initially approved for treating hypertension and edema.

Mechanism of Action of undefined

Telmisartan is the angiotensin receptor blocker and hydrochlorothiazide is the diuretic. They work by relaxing the blood vessels and making the pumping action of the heart efficient. The combination of both Telmisartan and hydrochlorothiazide lowers blood pressure efficiently. Hydrochlorothiazide is a water pill that excretes the extra water and electrolytes from the body and improves blood flow.

Uses of undefined

Telmisartan, hydrochlorothiazide helps to treat high blood pressure. This combination of medicine is used when one medicine alone is not effective in controlling blood pressure effectively and it lowers the risk of heart attack and stroke.

undefined Drug administaration and Dosage available

STelmisartan, hydrochlorothiazide is a prescription medicine available as a tablet in two doses, Solifenacin succinate 40mg and 80mg. Do not crush, chew, or open the medicine. Your physician will decide the correct dosage and duration based on age, body weight, and disease condition. Only stop taking the tablet if your doctor advises you to stop.

Warnings, Precautions and Side Effects of undefined


Do not use potassium supplements and salt substitutes without the doctor's advice. Inform your doctor about any kidney or liver-related problems. If you are a breastfeeding mother or planning for pregnancy, you need to inform your doctor before starting this medication. While using this medication, blood pressure should be monitored regularly, and a kidney function test should be performed to note if there are any abnormal changes.


This medication is taken as per the advice of the doctor. It can be taken in an empty stomach or along with food but it has to be taken at a fixed time daily. It is very important to take this medicine even if you feel well. As this medicine contains a diuretic which is known as a water pill it causes urination frequently; hence take this medicine 4 hrs before going to bed.

Side Effects

The side effects known to occur commonly during the treatment with Telmisartan, hydrochlorothiazide are fatigue, headaches, back pain, difficulty in breathing, stomach pain and back pain, fatigue, diarrhea  and nausea. Some serious side effects also include increased urination, itching or rash, dry mouth and chest pain.

Word Of Advice

It is suggested to inform your doctor if you have a history of allergic reactions to Telmisartan, hydrochlorothiazide to avoid life-threatening complications. As this medicine contains a diuretic known as a water pill, it frequently causes urination, so take this medicine 4 hrs before bed. Tell your doctor before the treatment commencement if you are pregnant or having liver, kidney, or uterine problems. While using this medication, blood pressure should be monitored regularly, and a kidney function test should be performed to note if there are any abnormal changes.

Frequently Asked Question


  1. Rottendorf Pharma GmbH, European Medicine Consortium (EMC), [Revised on Dec 2022], [Accessed on 16th June 2023]
  2. Boehringer Ingelheim Pharmaceuticals, Inc, US Food and Drug Administration, [Revised on Feb 2018], [Accessed on 16th June 2023],
  3. Telmisartan and hydrochlorothiazide tablets, USP RX only prescribing information, U.S. National Library of Medicine. [Revised on March 2014], [Accessed on 16th June 2023], Available at:
  4. Goodman & Gilman’s, The Pharmacological Basis of Therapeutics, Modulation of Cardiovascular function, 12th edition, 2011, 738


The drug information on this page is not a substitute for medical advice; it is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you are eligible to receive this treatment.