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Allegra Patient Information including If I Miss a Dose
In this Article
- What is fexofenadine (Allegra)?
- What are the possible side effects of fexofenadine?
- What is the most important information I should know about fexofenadine?
- What should I discuss with my healthcare provider before taking fexofenadine?
- How should I take fexofenadine?
- What happens if I miss a dose?
- What happens if I overdose?
- What should I avoid while taking fexofenadine?
- What other drugs will affect fexofenadine?
- Where can I get more information?
What happens if I miss a dose?
Since cold or allergy medicine is taken as needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include dry mouth, dizziness, or drowsiness.
What should I avoid while taking fexofenadine?
Avoid using antacids within 15 minutes before or after taking a medication that contains fexofenadine. Antacids can make it harder for your body to absorb this medication.
Fruit juices and certain antacids can make it harder for your body to absorb fexofenadine. Do not take fexofenadine with fruit juice (such as apple, orange, or grapefruit).
Avoid taking any other cold or allergy medicines unless your doctor has told you to.
What other drugs will affect fexofenadine?
Before taking this medication, tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by fexofenadine.
Tell your doctor about all other medicines you use, especially:
- ketoconazole (Nizoral); or
- erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole).
This list is not complete and other drugs may interact with 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.
Where can I get more information?
Your pharmacist can provide more information about fexofenadine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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Additional Allegra Information
- Allegra Drug Interactions Center: fexofenadine oral
- Allegra Side Effects Center
- Allegra Overview including Precautions
- Allegra FDA Approved Prescribing Information including Dosage
Allegra - User Reviews
Allegra User Reviews
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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