- High Blood Pressure Slideshow Pictures
- Take the Salt Quiz!
- Lowering Blood Pressure Exercise Tips Pictures
- What is telmisartan, and how does it work (mechanism of action)?
- What are the uses for telmisartan?
- What are the side effects of telmisartan?
- What is the dosage for telmisartan?
- Which drugs or supplements interact with telmisartan?
- Is telmisartan safe to take if I'm pregnant or breastfeeding?
- What else should I know about telmisartan?
What is telmisartan, and how does it work (mechanism of action)?
Telmisartan is a member of a family of drugs called angiotensin receptor blockers (ARBs), which includes losartan (Cozaar), valsartan (Diovan), irbesartan (Avapro), and candesartan (Atacand). Angiotensin, formed in the blood by the action of angiotensin converting enzyme (ACE), is a powerful chemical that attaches to angiotensin receptors found in many tissues but primarily on muscle cells of blood vessels. Angiotensin's attachment to the receptors causes muscle cells to shorten and narrow the blood vessels (vasoconstrict), which leads to an increase in blood pressure (hypertension). Telmisartan blocks the angiotensin receptor. By blocking the action of angiotensin, telmisartan widens blood vessels (vasodilate) and reduces blood pressure. Telmisartan was approved by the FDA in November 2000.
What brand names are available for telmisartan?
Micardis
Is telmisartan available as a generic drug?
GENERIC AVAILABLE: No
Do I need a prescription for telmisartan?
Yes
What are the uses for telmisartan?
Telmisartan is used for the treatment of hypertension. It may be used alone or in combination with other antihypertensive agents.
Telmisartan is used for reducing the risk of heart attack, stroke, or death from cardiovascular causes in patients 55 years of age or older who are at high risk for developing major cardiovascular events and unable to take ACE inhibitors. High risk for cardiovascular events can be evidenced by a history of coronary artery disease, peripheral arterial disease, stroke, transient ischemic attack, or high-risk diabetes (insulin-dependent or non-insulin dependent) with evidence of end-organ damage.
What are the side effects of telmisartan?
Like other angiotensin receptor blockers, telmisartan generally is well-tolerated. The most common side effects are:
- headache,
- dizziness,
- back pain,
- fatigue,
- stomach upset,
- upper respiratory tract infections,
- hyperkalemia, and
- diarrhea.
Patients also may experience impotence, reduced renal function, and allergic reactions. Rhabdomyolysis (inflammation and destruction of muscle) and angioedema (swelling of soft tissues including those of the throat and larynx) are rare but serious side effects of telmisartan.

SLIDESHOW
How to Lower Blood Pressure: Exercise Tips See SlideshowWhat is the dosage for telmisartan?
The recommended dose for treating hypertension is 20-80 mg daily. The recommended dose for cardiovascular risk reduction is 80 mg daily.
Which drugs or supplements interact with telmisartan?
Telmisartan can increase blood concentrations of digoxin (Lanoxin) and lithium (Eskalith, Lithobid). Therefore blood levels of digoxin and lithium should be monitored and doses adjusted if necessary.
Combining telmisartan with potassium-sparing diuretics (for example., spironolactone (Aldactone), triamterene, amiloride), potassium supplements, or salt substitutes containing potassium may lead to hyperkalemia (elevated potassium in the blood).
Combining telmisartan or other ARBs with nonsteroidal anti-inflammatory drugs (NSAIDs) in patients who are elderly, fluid-depleted (including those on diuretic therapy), or with poor kidney function may result in reduced kidney function, including kidney failure. These effects usually are reversible. There have been reports that aspirin and other NSAIDs such as ibuprofen (Advil, Children's Advil/Motrin, Medipren, Motrin, Nuprin, PediaCare Fever, etc.), indomethacin (Indocin, Indocin-SR), and naproxen (Anaprox, Naprelan, Naprosyn, Aleve) may reduce the effects of ARBs.
Latest High Blood Pressure News
Daily Health News
Is telmisartan safe to take if I'm pregnant or breastfeeding?
Medications that interfere with the angiotensin converting enzyme system, such as telmisartan, have been found to cause fetal and neonatal toxicity and death when taken by pregnant women. Pregnant mothers should discontinue use of telmisartan as soon as they know they are pregnant.
It is not known if telmisartan is secreted into breast milk. Since most medicines are secreted into breast milk, potential risks and benefits need to be assessed in women who are nursing to determine if breast feeding or telmisartan should be discontinued.
What else should I know about telmisartan?
What preparations of telmisartan are available?
Tablets: 20, 40, and 80 mg.
How should I keep telmisartan stored?
Telmisartan should be stored at room temperature, 15 C - 30 C (59 F - 86 F). The tablets should be kept in their blister-pack packaging until they are used.

QUESTION
Salt and sodium are the same. See AnswerSummary
Telmisartan (Micardis) is in the drug class of angiotensin receptor blockers (ARBs) and is prescribed for the treatment of high blood pressure, reducing the risk of heart attack, stroke, or death from cardiovascular causes (in patients aged 55 years and older). Side effects, dosing information, drug interactions, and warnings and precautions should be reviewed prior to taking any medication.
Multimedia: Slideshows, Images & Quizzes
-
High Blood Pressure (Hypertension): Symptoms, Causes, Treatments
What causes high blood pressure (hypertension)? Know the warning signs and symptoms of high blood pressure. Read about high blood...
-
High Blood Pressure (Hypertension) Quiz: Symptoms, Signs & Causes
Take this quiz and test your IQ of high blood pressure (hypertension), the cardiovascular disease that causes most strokes and...
-
Picture of Hypertension
High blood pressure, defined as a repeatedly elevated blood pressure exceeding 140 over 90 mmHg -- a systolic pressure above 140...
Related Disease Conditions
-
Stroke
A stroke is an interruption of the blood supply to part of the brain caused by either a blood clot (ischemic) or bleeding (hemorrhagic). Symptoms of a stroke may include: weakness, numbness, double vision or vision loss, confusion, vertigo, difficulty speaking or understanding speech. A physical exam, imaging tests, neurological exam, and blood tests may be used to diagnose a stroke. Treatment may include administration of clot-busting drugs, supportive care, and in some instances, neurosurgery. The risk of stroke can be reduced by controlling high blood pressure, high cholesterol, diabetes, and stopping smoking.
-
High Blood Pressure (Hypertension)
High blood pressure (hypertension) is a disease in which pressure within the arteries of the body is elevated. About 75 million people in the US have hypertension (1 in 3 adults), and only half of them are able to manage it. Many people do not know that they have high blood pressure because it often has no has no warning signs or symptoms. Systolic and diastolic are the two readings in which blood pressure is measured. The American College of Cardiology released new guidelines for high blood pressure in 2017. The guidelines now state that blood normal blood pressure is 120/80 mmHg. If either one of those numbers is higher, you have high blood pressure. The American Academy of Cardiology defines high blood pressure slightly differently. The AAC considers 130/80 mm Hg. or greater (either number) stage 1 hypertension. Stage 2 hypertension is considered 140/90 mm Hg. or greater. If you have high blood pressure you are at risk of developing life threatening diseases like stroke and heart attack.REFERENCE: CDC. High Blood Pressure. Updated: Nov 13, 2017.
-
Heart Disease
Heart disease (coronary artery disease) occurs when plaque builds up in the coronary arteries, the vessels that supply blood to the heart. Heart disease can lead to heart attack. Risk factors for heart disease include: Smoking High blood pressure High cholesterol Diabetes Family history Obesity Angina, shortness of breath, and sweating are just a few symptoms that may indicate a heart attack. Treatment of heart disease involves control of heart disease risk factors through lifestyle changes, medications, and/or stenting or bypass surgery. Heart disease can be prevented by controlling heart disease risk factors.
-
High Blood Pressure Treatment (Natural Home Remedies, Diet, Medications)
High blood pressure (hypertension) means high pressure (tension) in the arteries. Treatment for high blood pressure include lifestyle modifications (alcohol, smoking, coffee, salt, diet, exercise), drugs and medications such as ACE inhibitors, angiotensin receptor blockers, beta blockers, diuretics, calcium channel blockers (CCBs), alpha blockers, clonidine, minoxidil, and Exforge.
-
Heart Attack (Myocardial Infarction)
A heart attack happens when a blood clot completely obstructs a coronary artery supplying blood to the heart muscle. A heart attack can cause chest pain, heart failure, and electrical instability of the heart.
-
Heart Attack Treatment
A heart attack involves damage or death of part of the heart muscle due to a blood clot. The aim of heart attack treatment is to prevent or stop this damage to the heart muscle. Heart attack treatments included medications, procedures, and surgeries to protect the heart muscle against injury.
-
Febrile Seizures
Febrile seizures, or convulsions caused by fever, can be frightening in small children or infants. However, in general, febrile seizures are harmless. Febrile seizure is not epilepsy. It is estimated that one in every 25 children will have at least one febrile seizure. It is important to know what to do to help your child if he/she has a febrile seizure. Some of the features of a febrile seizure include: losing consciousness, shaking, moving limbs on both sides of the body, lasts 1-2 minutes. Less commonly, a febrile seizure may only affect one side of the body.
-
Heart Attack Prevention
Heart disease and heart attacks can be prevented by leading a healthy lifestyle with diet, exercise, and stress management. Symptoms of heart attack in men and women include chest discomfort and pain in the shoulder, neck, jaw, stomach, or back. Women experience the same symptoms as men; however, they also may experience: Extreme fatigue Pain in the upper abdomen Dizziness Fainting Leading a healthy lifestyle with a heart healthy low-fat diet, and exercise can help prevent heart disease and heart attack.
Treatment & Diagnosis
- High Blood Pressure FAQs
- Drugs: Buying Prescription Drugs Online Safely
- How To Reduce Your Medication Costs
- Pharmacy Visit, How To Get The Most Out of Your Visit
- Indications for Drugs: Approved vs. Non-approved
- Drugs: The Most Common Medication Errors
- Medication Disposal
- Dangers of Mixing Medications
- Generic Drugs, Are They as Good as Brand-Names?
Medications & Supplements
Prevention & Wellness
Subscribe to MedicineNet's Heart Health Newsletter
By clicking "Submit," I agree to the MedicineNet Terms and Conditions and Privacy Policy. I also agree to receive emails from MedicineNet and I understand that I may opt out of MedicineNet subscriptions at any time.
Health Solutions From Our Sponsors

Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.