Get emergency medical help if you have any signs of an allergic reaction to nifedipine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
worsening angina;
a light-headed feeling, like you might pass out;
pounding heartbeats or fluttering in your chest;
chest pain or heavy feeling, pain spreading to the jaw or shoulder, nausea, sweating, general ill feeling;
swelling in your ankles or feet; or
upper stomach pain, jaundice (yellowing of the skin or eyes).
Common nifedipine side effects may include:
mild dizziness;
flushing (warmth, redness, or tingly feeling);
weakness, headache, mood changes;
heartburn, nausea;
tremors, muscle cramps; or
cough, wheezing, sore throat, stuffy nose.
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.
 Nifedipine side effects (more detail)
