Fexofenadine (Systemic)

Brand Names : Allegra

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they seek medical attention immediately.

Check with your doctor immediately if any of the following side effects occur:

Incidence rare

Chest tightness ; feeling of warmth, redness of the face, neck, arms and occasionally, upper chest; large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, sex organs; shortness of breath, difficult or labored breathing

The following side effects usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome.

Less common

Back pain; coughing; dizziness; drowsiness; earache; fever; headache; nausea; pain or tenderness around eyes or cheekbones; painful menstrual bleeding; ringing or buzzing in ears; runny or stuffy nose; stomach upset; unusual feeling of tiredness; viral infection (such as cold and flu)

Incidence rare

Nervousness; rash; sleeplessness; terrifying dreams; trouble sleeping

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.