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Precautions while Using this Medicine
The presence of other medical problems may affect the use of antihistamines. Make sure you tell your doctor if you have any other medical problems, especially:
- Enlarged prostate or
- Urina
ry tract blockage or difficult urination¡XAntihistamines may make urinary problems worse
- Glaucoma¡XThese medicines may cause a slight increase in inner eye pressure that may make the condition
rse
- Intestinal obstruction or
- Stomach ulcer¡XUse of cyproheptadine may make these conditions worse.
- Liver disease or
- Kidney disease¡XEffects of desloratadine may be increa
because of slower removal from the body.
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Side Effects
Side effects of Allegra may include:
- Colds or flu, drowsiness, fatigue, indigestion, menstrual problems, nausea
Side effects of Allegra-D may include:
- Abdominal pain, agitation
, anxiety, back pain, dizziness, dry mouth, headache, heart palpitations, indigestion, insomnia, nausea, nervousness, respiratory tract infection, throat irritation
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What Is It
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.
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Possible food and drug interactions when taking this medication
Seldane, an antihistamine related to Allegra, has been implicated in dangerous interactions with the common antibiotic erythromycin, the antifungal medication ketoconazole (Nizoral), and several simil
ar drugs. Allegra poses no such risks. It is also safe for people with liver disease.
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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.
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How should you take this medication?
Dosing¡X
The dose of fexofenadine may be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average dose
of fexofenadine. If your dose is different, do not change it unless your doctor tells you to do so
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