May 23 2022

Classification of the active ingredient losartan

Risk level in pregnancy: This medicine is classified as Category category C during 1st trimester and category D during 2nd and 3rd trimesters.

Update 18.07.2009

Meaning of category C

Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.