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AllegraŽ is a seasonal allergy
medicine that your doctor may prescribe for
you if other allergy medicines make you drowsy.
Fexofenadine, the active ingredient in Allegra,
has been shown not to cause the drowsiness of
other antihistamines.
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Common Brand Name(s)
Allegra D
Uses
This medication contains an antihistamine and decongestant
used to relieve allergy symptoms such as itchy, red
eyes, stuffy nose and throat irritation.
How to Use
Take this medication by mouth on an empty stomach
1 hour before or two hours after meals as directed,
usually twice daily. Taking this medicine with a high
fat meal can decrease its effectiveness. Do not take
antacids containing aluminum and magnesium within
2 hours of taking this medication. Swallow the medicine
whole. Do not crush or chew the tablet, and do not
take more than prescribed. Do not take this product
within 14 days after stopping an MAO Inhibitor (see
Drug Interactions).
Side Effects
Nausea, stomach upset, trouble sleeping, headache,
or cold symptoms may occur. If these persist or worsen,
notify your doctor promptly. Unlikely but report promptly:
dizziness, mental/mood changes, fast heartbeat, fever.
Very unlikely but report promptly: irregular pulse,
seizures, fainting. Although drowsiness is very uncommon
at usual doses under normal circumstances, be aware
that this medication may have such an effect before
performing tasks requiring alertness (e.g., driving).
If you notice other effects not listed above, contact
your doctor or pharmacist.
Precautions
Tell your doctor your medical history, including:
allergies, kidney/urinary problems, enlarged prostate,
glaucoma (narrow angle), severe high blood pressure,
heart disease, diabetes, thyroid problems (hyperthyroid).
Limit alcohol intake, as it may aggravate drug side
effects. This medication should be used only when
clearly needed during pregnancy. Discuss the risks
and benefits with your doctor. The pseudoephedrine
in this product is excreted into breast milk. Consult
your doctor before breast-feeding. Caution is advised
when this product is used in the elderly since this
group may be more sensitive to side effects.
Overdose
If overdose is suspected, contact your local poison
control center or emergency room immediately. Symptoms
of overdose may include irregular or unusually slow
or fast heartbeat, unusual nervousness or excitement,
rapid breathing, confusion, hallucinations, and seizures.
Notes
Do not share this medication with others.
Missed Dose
If you miss a dose, use it as soon as you remember.
If it is near the time of the next dose, skip the
missed dose and resume your usual dosing schedule.
Do not "double-up" the dose to catch up.
Storage
Store at room temperature between 68 and 77 degrees
F (20-25 degrees C) away from sunlight and moisture.
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