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Micardis (telmisartan) is approved to treat high blood pressure (hypertension) in adults. It is also indicated to reduce the risk of heart attack, stroke, or cardiovascular death in adults aged 55 and older who are at high cardiovascular risk and cannot tolerate ACE inhibitors.

Telmisartan is an angiotensin II receptor blocker (ARB). It selectively blocks the AT1 receptor, preventing angiotensin II from constricting blood vessels. This allows blood vessels to relax and widen, reducing blood pressure and the workload on the heart.

Blood pressure lowering effects can be seen within 3 hours of the first dose, with the maximum antihypertensive effect typically achieved within 4 to 8 weeks of consistent daily use.

Common side effects include upper respiratory infection, back pain, sinusitis, diarrhea, and dizziness. Serious but less common risks include elevated potassium levels (hyperkalemia) and reduced kidney function, especially in patients who are dehydrated or take other drugs affecting kidney blood flow.

No. Telmisartan, like all ARBs, is contraindicated during pregnancy. It can cause fetal and neonatal injury, including death, when used during the second or third trimester. If you become pregnant while taking Micardis, contact your doctor immediately.

Telmisartan can interact with NSAIDs (which may reduce its blood pressure lowering effect and harm the kidneys), potassium supplements or potassium-sparing diuretics (raising the risk of high potassium), lithium, and digoxin. Always share a full medication list with your prescriber.

Both ARBs and ACE inhibitors block the renin-angiotensin system, but they do so at different points. ACE inhibitors block the production of angiotensin II, while ARBs like telmisartan block the receptor that angiotensin II binds to. ARBs are generally less likely to cause the dry cough associated with ACE inhibitors.

Doctronic uses an AI-guided evaluation to gather your symptoms, medical history, and relevant readings before connecting you with a licensed physician. The physician reviews your information, makes a clinical determination, and if appropriate, creates a personalized treatment plan that may include a prescription sent to your preferred pharmacy.