Allegra side effects

Allegra side effects :
a look at Purpose, Interactions and Warnings

Allegra (Fexofenadine) is used to relieve hay fever and allergy symptoms, including runny nose; sneezing; and red, itchy, tearing eyes. Fexofenadine is in a class of medications called antihistamines. It works by blocking histamine, a substance in the body that causes allergic symptoms. Fexofenadine may cause less drowsiness than other antihistamines.

Allegra side effects and interactions

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your health care professional if you are taking or using any other prescription or nonprescription (over-the-counter [OTC]) medicine, especially antacids that contain aluminum and magnesium hydroxide (e.g., Maalox, Mylanta).

The presence of other medical problems may affect the use of fexofenadine. Make sure you tell your doctor if you have any other medical problems, especially: Kidney disease—Effects of fexofenadine may be increased because of slower removal from the body.

Observed Allegra side effects

Along with its needed effects, there may be unwanted Allegra side effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor as soon as possible if any of the following side effects occur:

Rarely Observed

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 Allegra 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 Commonly Observed

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).

Rarely Observed

Nervousness; rash; sleeplessness; terrifying dreams; trouble sleeping.

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

Sources : The American Society of Health-System Pharmacists (ASHP) and the United States Pharmacopeia (USP)

There are alternatives to enduring Allegra side effects.
More information here.


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