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Telmisartan - Indications, Dosage, Side Effects and Precautions

Last Updated on May 11, 2020
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Information about Telmisartan

Generic Name : Telmisartan
Pronunciation : TEL-mi-SAR-tan
Latest prescription information about Telmisartan. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, warnings and its storage instructions . Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y52.5 | Therapeutic Classification : Anti- Hypertensives

Trade Names/Brand Names of Telmisartan


Why is Telmisartan Prescribed? (Indications)

This medication is angiotensin receptor blocker (ARBs), prescribed for hypertension. It works by relaxing blood vessels.


When should Telmisartan not be taken? (Contraindications)

Contraindicated in patients with known hypersensitivity. It should not be co-administered with aliskiren in patients with diabetes.

What is the dosage of Telmisartan?

Hypertension- Adults- Oral: Initial: 40 mg once daily. Max: 80 mg/day.
Cardio Vascular risk reduction- Adults- Oral: 80 mg once per day.

How should Telmisartan be taken?

It comes as a tablet to take by mouth, with or without food.

What are the warnings and precautions for Telmisartan?

• Caution should be exercised in patients with history of heart, liver or kidney disease, children, during pregnancy and breastfeeding.

It may cause dizziness or drowsiness, do not drive a car or operate machinery while taking this medication.

Avoid alcohol consumption while taking this medication.

Patients may develop with severe allergic reactions; if it so consult with your doctor.

It may cause diarrhea, dehydration, excessive sweating or vomiting which leads to low blood pressure.

What are the side effects of Telmisartan?

  Most Common: Headache, dizziness and diarrhea.
  Body as a Whole: Allergy, fever, leg pain and uneasiness.
  Heart: Palpitations, chest pain, fast heart rate, leg swelling and abnormal ECG.
  Central Nervous System: Sleeplessness, drowsiness, headache, unsteadiness, tingling, involuntary muscle contractions, decreased sensitivity, impotence, increased sweating flushing, anxiety, depression and nervousness.
  Gastrointestinal: Flatulence, constipation, stomach inflammation, vomiting, dry mouth, gastro esophageal reflux, tooth pain and nonspecific gastrointestinal disorders.
  Metabolic: Increased cholesterol level in blood and sugar.
  Musculoskeletal: Joint inflammation/pain and leg cramps.
  Immunity: Fungal infection, abscess and ear inflammation.
  Respiratory: Asthma, difficulty in breathing, nosebleed and inflammation of bronchus/nose.
  Skin : Skin inflammation, rash, redness and itching.
  Genitourinary: Increased urination frequency and bladder inflammation.
  Eye and ENT: Abnormal vision, eye inflammation, ringing in the ear and ear pain.

What are the other precautions for Telmisartan?

Monitor blood pressure, blood electrolyte levels, heart, kidney or liver function regularly while taking this medication.

What are the storage conditions for Telmisartan?

Store it at controlled room temperature (15-30C).

Learn more about Telmisartan's interaction with Food, Herbs and Alcohol

Telmisartan : Frequently Asked Questions

Q: When is the best time of day to take Telmisartan?

A: Telmisartan is usually taken once a day, either in the morning or in the evening.Take it around the same time every day, as this will help you remember (1 Trusted Source

Go to source

Q: How long does Telmisartan take to start working?

A: Telmisartan starts to work within a few days of administration. But, the maximum effect of this medication can be seen within 4-8 weeks of the treatment (2 Trusted Source
Effect of telmisartan 80 mg once daily on 24-h blood pressure profile in patients with mild-to-moderate hypertension failing to respond to prior antihypertensive therapy

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Q: Can Telmisartan affect the kidneys?

A: Telmisartan does not affect the kidneys; it is effective and safe in reducing proteinuria in patients with chronic kidney disease (3 Trusted Source
Effect of telmisartan on blood pressure control and kidney function in hypertensive, proteinuric patients with chronic kidney disease

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Q: Does Telmisartan raise blood sugar levels?

A: Telmisartan does not increase blood sugar levels. Various preclinical and clinical investigations have demonstrated that telmisartan therapy reduces blood glucose levels and improves diabetes complications (4 Trusted Source
Anti-Diabetic Effect of Telmisartan Through its Partial PPAR-Agonistic Activity

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Q: What happens when alcohol is taken with Telmisartan?

A: Avoid drinking alcohol while taking telmisartan, as it has dizziness as a mild side effect. Taking alcohol can worsen the side effects. It is advisable not to consume alcohol or alcoholic beverages (5 Trusted Source
Telmisartan : Interaction with Food, Herbs and Alcohol

Go to source

  • 1. Telmisartan - (https://medlineplus.gov/druginfo/meds/a601249.html )
  • 2. Effect of telmisartan 80 mg once daily on 24-h blood pressure profile in patients with mild-to-moderate hypertension failing to respond to prior antihypertensive therapy - (https://pubmed.ncbi.nlm.nih.gov/15617453/ )
  • 3. Effect of telmisartan on blood pressure control and kidney function in hypertensive, proteinuric patients with chronic kidney disease - (https://pubmed.ncbi.nlm.nih.gov/16077267/ )
  • 4. Anti-Diabetic Effect of Telmisartan Through its Partial PPAR-Agonistic Activity - (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7567533/ )
  • 5. Telmisartan : Interaction with Food, Herbs and Alcohol - (https://www.medindia.net/drugs/drug-food-interactions/telmisartan.htm )
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Amuthan, Indonesia

I am taking Teleday40mg tablet for past 3 years, is Telmisartan40mg a perfect substitute generic drug

nppatro, India

I am taking Tetan 20 for the detection of higher BP accidentally. There after my BP is in control. But I have very normal LDL cholesterol, HDL cholesterol and triglycerol readings. Should I still continue to take Tetan 20 and how long.

pkbanner, India

My wife is a BP PATIENT due to hereditary . She is taking 2 tabs Telma40 for the past two years. At present she is getting frequent symptoms of giddiness,dizziness, and pain in the leg. Generally the tab is controlling the BP but many a time it is not able to control. Pulse rate is also falling quite low very often. Situations like high BP with low pulse rate and weakness is experienced.

jinishans, United States

My Father has been taking Telmisartan 80mg as a single ingredient or combination, he had severe running nose, not able to sleep for the last 1yr. We tried all sort of medicines from Homeopathy to Ayurvedic to all ENTs in Chennai. Still he had this running nose issue. Finally we found 1yr later, last week that Telmisartan has a rare side effect of runny or stuffy nose. We stopped this combination and he tried just Amlodepine, the running nose issue is gone in just 2-3 days. So, we're gone to inform our Cardiologiest, pls contact your Dr. if you've this issue.

singaijack, India

My relative has been taking telisartan earlier and now Arbitel 40 has been prescribed by the doctor He developed skin rashes bumps itching joint pain and muscular pain. Pl inform me how to stop this medication in aptien like him who is allergic to the drug? the doctor who prescribes the drug is asking to wait for some more time Pl suggest a safe method of discontinuing with appropriate alternate drugs as fast as you can... Thanks

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