Allegra 24 Hour Allergy

Name: Allegra 24 Hour Allergy

What is the most important information I should know about Allegra 24 Hour Allergy (fexofenadine)?

Ask a doctor or pharmacist before taking this medicine if you are allergic to any drugs, or if you have kidney disease.

Do not take fexofenadine with fruit juice (such as apple, orange, or grapefruit).

Take the disintegrating tablet on an empty stomach, at least 1 hour before or 2 hours after a meal.

There may be other drugs that can affect fexofenadine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Stop using this medication and get emergency medical help if you think you have used too much medicine, or if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Tell your doctor if your symptoms do not improve, or if they get worse after you start taking fexofenadine. Never use more than the recommended dose.

What should I discuss with my healthcare provider before taking Allegra 24 Hour Allergy (fexofenadine)?

Ask a doctor or pharmacist if it is safe for you to take this medicine if you are allergic to any drugs, or if you have kidney disease.

FDA pregnancy category C. It is not known whether fexofenadine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

It is not known whether fexofenadine passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Fexofenadine tablets and capsules may be used to treat seasonal allergy symptoms in children who are at least 6 years old. Fexofenadine oral suspension (liquid) may be used in children ages 2 through 11. When treating chronic idiopathic urticaria, the liquid may be used in children as young as 2 months old.

Do not give this medicine to a child without medical advice.

For the Consumer

Applies to fexofenadine: oral capsule, oral suspension, oral tablet, oral tablet disintegrating

Along with its needed effects, fexofenadine (the active ingredient contained in Allegra Allergy) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

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

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, or sex organs
  • shortness of breath, difficult or labored breathing

Some side effects of fexofenadine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Vomiting
Less common
  • Back pain
  • body aches or pain
  • chills
  • coughing
  • diarrhea
  • difficulty with moving
  • dizziness
  • ear congestion
  • earache
  • fever
  • headache
  • joint pain
  • loss of voice
  • muscle aching or cramping
  • muscle pains or stiffness
  • nasal congestion
  • nausea
  • pain in arms or legs
  • pain or tenderness around eyes or cheekbones
  • painful menstrual bleeding
  • redness or swelling in ear
  • ringing or buzzing in ears
  • runny or stuffy nose
  • sleepiness or unusual drowsiness
  • sneezing
  • sore throat
  • stomach upset
  • swollen joints
  • unusual feeling of tiredness or weakness
  • viral infection (such as cold and flu)
Rare
  • Nervousness
  • rash
  • sleeplessness
  • terrifying dreams
  • trouble sleeping

Renal Dose Adjustments

Adult:
-CrCl 90 mL/min or less: 60 mg orally once a day

Pediatric:
6 months to less than 2 years:
-CrCl 90 mL/min or less: 15 mg orally once a day

2 to 11 years:
-CrCl 90 mL/min or less: 30 mg orally once a day

Liver Dose Adjustments

Data not available

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