In adults, common side effects include persistent dry mouth, dizziness, fatigue, and headache. Rare cases of angioedema have been reported. When used in pregnancy during the second and third trimesters, ACE inhibitors can cause injury and even death to the developing fetus. When pregnancy is detected, ramipril should be discontinued as soon as possible. Ramipril is contraindicated in patients who are hypersensitive to the product or have a history of angioedema related to previous treatment with an ACE inhibitor.