azilsartan vs telmisartan

PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.

Side-by-side comparison of azilsartan and telmisartan. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

Drug Class
azilsartan Angiotensin II Receptor Blocker (ARB)
telmisartan Angiotensin II Receptor Blocker (ARB)
Type
azilsartan Prescription
telmisartan Prescription
Summary
azilsartan

No summary available.

telmisartan

Telmisartan (Micardis) is a medicine that lowers blood pressure. It belongs to a class of drugs called angiotensin II receptor blockers (ARBs).

What It Treats
azilsartan

Information not available.

telmisartan

Telmisartan is used to treat high blood pressure. Lowering blood pressure reduces the risk of strokes and heart attacks. It can also lower cardiovascular risk if you cannot take ACE inhibitors. Controlling high blood pressure is important for overall heart health.

How It Works
azilsartan

Information not available.

telmisartan

Telmisartan blocks a substance in your body that tightens blood vessels. This helps blood vessels relax and widens them. As a result, blood pressure is lowered.

Common Side Effects
azilsartan
  • Dizziness
  • Fatigue
telmisartan
  • Back pain
  • Sinus infection
  • Diarrhea
  • Upper respiratory tract infection
  • Sore throat
FAERS Reports
azilsartan

No adverse event reports.

telmisartan
  • Nausea 2,059
  • Fatigue 2,001
  • Diarrhoea 1,794
  • Dyspnoea 1,785
  • Headache 1,715
Serious Warnings
azilsartan

No specific warnings noted.

telmisartan

If you are pregnant or plan to become pregnant, stop taking this medicine right away. Telmisartan can harm or cause death to your unborn baby.

Pregnancy
azilsartan

No pregnancy information available.

telmisartan

Telmisartan can cause harm to your unborn baby, especially during the second and third trimesters. Do not breastfeed while taking telmisartan.

Also Compare, Nearby Drugs

How to Read This azilsartan vs telmisartan Comparison

azilsartan is classified in the Angiotensin II Receptor Blocker (ARB) drug class, while telmisartan sits within the Angiotensin II Receptor Blocker (ARB) class. Because both drugs share the same classification, they are often considered interchangeable in theory, but clinical outcomes rarely track that cleanly. Both drugs are prescription-only, so a licensed provider must authorize use.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, azilsartan has 0 submissions while telmisartan has 9,354. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for azilsartan or telmisartan.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.