Some side effects of captopril should be reported immediately to your healthcare provider. These include, but are not limited to:
Unexplained swelling of the head or neck (including the face, lips, tongue, or throat)
Unexplained swelling of the hands and/or feet
Unexplained skin rash
Itching
Unexplained blisters or peeling of the skin
Wheezing
Difficulty breathing or swallowing
Dizziness, lightheadedness, or fainting spells
Stomach pain, with or without vomiting
Any symptoms that might suggest an infection, such as a fever or sore throat
Decrease in the amount of urine produced.
Rare Side Effects With Captopril
Rare side effects of captopril occur in less than 2 percent of people. Given how uncommon they occur, however, it can be difficult to determine whether these side effects are actually caused by the medication or by something else.
Some of these rare but possible side effects include but are not limited to: