Get emergency medical help if you have signs of an allergic reaction: 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;
fast or pounding heartbeats, fluttering in your chest;
little or no urination;
pain or burning when you urinate;
jaundice (yellowing of the skin or eyes);
numbness, tingling, or burning pain in your hands or feet;
fever, chills, cold or flu symptoms;
high potassium--nausea, chest pain, irregular heartbeats, loss of movement; or
low sodium--headache, confusion, slurred speech, severe weakness, vomiting, loss of coordination, feeling unsteady.
Common side effects may include:
headache;
cough; or
dizziness, tired feeling.
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.
 Quinapril side effects (more detail)
