Get emergency medical help if you have signs of an allergic reaction to captopril: hives; severe stomach pain; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
a light-headed feeling, like you might pass out;
little or no urination, or urinating more than usual;
shortness of breath (even with mild exertion), swelling, rapid weight gain;
chest pain or pressure, pounding heartbeats or fluttering in your chest;
high potassium - nausea, slow or unusual heart rate, weakness, loss of movement; or
sudden weakness or ill feeling, fever, chills, sore throat, painful mouth sores, pain when swallowing, skin sores, cold or flu symptoms.
Common captopril side effects may include:
cough;
flushing (warmth, redness, or tingly feeling);
numbness, tingling, or burning pain in your hands or feet;
loss of taste sensation; or
mild skin itching or rash.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Captopril side effects (more detail)
