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Symptoms of overdose
Clumsiness or unsteadiness; convulsions (seizures); drowsiness (severe); dryness of mouth, nose, or throat (severe); feeling faint; flushing or redness of face; hallucinations (seeing, hearing,
or feeling things that are not there); shortness of breath or troubled breathing ; trouble in sleeping
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Special warnings about this medication
Before you have any skin tests for allergies, tell the doctor in charge that you are taking Allegra-D. The results of the test may be affected by Allegra-D.
When taking antihistamines on a re
gular basis, make sure your doctor knows if you are taking large amounts of aspirin at the same time (as for arthritis or rheumatism). Effects of too much aspirin, such as ringing in the ears, may be
covered up by the antihistamine.
- Antihistamines will add to the effects of alcohol and other CNS depressants (medicines that slow down the nervous system, possibly causing drowsiness).
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Possible food and drug interactions when taking this medication
Check with your doctor before combining Allegra with erythromycin (E.E.S., Ery-Tab, PCE) or ketoconazole (Nizoral). These drugs may increase Allegra's effects.
Allegra-D should never be take
n within 2 weeks of using an MAO-inhibitor drug such as the antidepressants Marplan, Nardil, and Parnate. Also check with your doctor before combining it with the following:
- Mecamylamine (
Inversine)
- Methyldopa (Aldomet)
- Reserpine (Diupress, Hydropres)
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Why is this drug prescribed?
Allegra-D is used in the treatment of nervous and emotional conditions to help control anxiety. It can also be used to help control anxiety and produce sleep before surgery.
Some antihistamin
es are used in the treatment of chronic urticaria, which is a persistent hive-like rash.
Antihistamines may also be used for other conditions as determined by your doctor.
Some antih
istamine preparations are available only with your doctor's prescription. Others are available without a prescription. However, your doctor may have special instructions on the proper dose of the medi
cine for your medical condition.
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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 wi
th 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 ches
t; large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, sex organs; shortness of breath, difficult or labored breathing
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How should you take this medication?
Follow the directions for using this medicine provided by your doctor. SWALLOW WHOLE. Do not break, crush, or chew before swallowing. Do not take this medicine with food. Do not take antacids containi
ng aluminum and magnesium within 2 hours of taking this medicine. STORE THIS MEDICINE at room temperature between 68 and 77 degrees F (20 and 25 degrees C) in a tightly-closed container. IF YOU MISS A
DOSE OF THIS MEDICINE and you are taking it regularly, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do NOT t
ake 2 doses at once.
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