Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have signs of an electrolyte imbalance, such as:
drowsiness, lack of energy, feeling tired;
leg cramps, muscle weakness or limp feeling;
severe weakness, loss of coordination, feeling unsteady;
fast or irregular heartbeats, fluttering in your chest, feeling restless;
numbness or tingling;
vomiting, constipation;
headache, confusion, slurred speech;
a light-headed feeling, like you might pass out;
dry mouth, increased thirst; or
little or no urinating.
Common side effects may include:
dizziness;
weakness, tiredness;
back pain, muscle cramps;
feeling anxious or agitated;
headache; or
runny 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.
 Indapamide side effects (more detail)
