Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).
Call your doctor at once if you have:
fast or pounding heartbeats, fluttering in your chest, shortness of breath, and sudden dizziness (like you might pass out);
seizure (convulsions);
skin rash or skin lesions; or
liver problems--loss of appetite, stomach pain (upper right side), dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).
Common side effects may include:
nausea, stomach pain, diarrhea, upset stomach;
headache;
dizziness; or
changes in your sense of taste.
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.
 Fluconazole side effects (more detail)
