Your Side Effects May IncludeLosartan (Cozaar) side effects
This side effect is printed on the FDA label for Losartan. It was a question in our daily quiz, where you pick the real side effect from four choices.
Harm to an unborn baby
It's a boxed warning shared by several common blood pressure drugs.
From the FDA label
“Losartan potassium can cause fetal harm when administered to a pregnant woman.”
Losartan label, updated Sep 3, 2026 ·
Read the full label on DailyMed
What to watch for
If you become pregnant, stop and call your doctor right away.
58 reports to the FDA's adverse event system mention exposure during pregnancy. A report is not proof the drug caused it. See the query
From quiz No. 15 · October 9, 2026 · Play that quiz →
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Not medical advice. Don't stop or start a medication because of a quiz. Talk to your doctor or pharmacist. Label text and report counts from openFDA. Not affiliated with any drug maker.