fosinopril vs trandolapril

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 fosinopril and trandolapril. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

Drug Class
fosinopril ACE Inhibitor
trandolapril ACE Inhibitor
Type
fosinopril Prescription
trandolapril Prescription
Summary
fosinopril

Fosinopril is a medicine that lowers blood pressure. It can also help manage heart failure.

trandolapril

Trandolapril (Mavik) is a medicine that lowers blood pressure. It can also help people who have had a heart attack and have a weak heart.

What It Treats
fosinopril

Fosinopril is used to treat high blood pressure. It can be used alone or with a water pill (diuretic). Fosinopril also helps manage heart failure when used with other medicines.

trandolapril

Trandolapril is used to treat high blood pressure. It can be used alone or with other blood pressure medicines. It is also used in people who have had a heart attack and have a weak heart (left ventricular dysfunction) or heart failure.

How It Works
fosinopril

Fosinopril belongs to a class of drugs called ACE inhibitors. It works by blocking a substance in your body that tightens blood vessels. This helps your blood vessels relax and lowers your blood pressure.

trandolapril

Trandolapril belongs to a class of drugs called ACE inhibitors. It works by blocking a substance in your body that tightens blood vessels. This helps your blood vessels relax and lowers your blood pressure.

Common Side Effects
fosinopril
  • Cough
  • Dizziness
  • Nausea
  • Vomiting
trandolapril
  • Cough
  • Dizziness
FAERS Reports
fosinopril
  • Fatigue 239
  • Diarrhoea 232
  • Dyspnoea 210
  • Nausea 204
  • Dizziness 179
trandolapril
  • Dyspnoea 137
  • Fatigue 119
  • Dizziness 108
  • Diarrhoea 99
  • Cough 97
Serious Warnings
fosinopril

Fosinopril can harm your unborn baby, even causing death. Stop taking fosinopril as soon as you know you are pregnant.

trandolapril

If you become pregnant, stop taking trandolapril right away. This medicine can harm or cause death to your unborn baby.

Pregnancy
fosinopril

Do not take fosinopril if you are pregnant. It can cause serious harm or death to your unborn baby. Talk to your doctor about other blood pressure medicines if you are breastfeeding.

trandolapril

Do not take trandolapril if you are pregnant. It can cause serious harm to your unborn baby. Talk to your doctor about other blood pressure medicines if you are breastfeeding.

Also Compare, Nearby Drugs

How to Read This fosinopril vs trandolapril Comparison

fosinopril is classified in the ACE Inhibitor drug class, while trandolapril sits within the ACE Inhibitor 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, fosinopril has 1,064 submissions while trandolapril has 560. 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 fosinopril or trandolapril.

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