Allegra is an antihistamine that blocks the effects of histamine, reducing allergy symptoms such as sneezing, itching, watery eyes, and runny nose. It is used to treat:
- Seasonal allergies (hay fever) in adults and children.
- Skin itching and hives from chronic idiopathic urticaria.
Important Warnings
- Consult a doctor before use if you have kidney disease or drug allergies.
- Avoid taking with fruit juices (apple, orange, grapefruit), as they reduce absorption.
- Seek emergency help for allergic reactions (hives, swelling, breathing difficulties).
- Do not exceed the recommended dose.
Before Taking Allegra
- Inform your doctor if you are pregnant, breastfeeding, or have PKU (contains phenylalanine).
- Pediatric use:
- Tablets/capsules: Ages 6+ for allergies.
- Liquid suspension: Ages 2+ for allergies, 2 months+ for hives.
- Always follow dosage instructions.
How to Take
- Tablets/Capsules: Swallow whole with water.
- Liquid Suspension: Shake well; use a measuring spoon/cup.
- Orally Disintegrating Tablets (ODT):
- Keep in blister pack until use.
- Place on tongue to dissolve; do not chew or swallow whole.
- Take on an empty stomach (1 hour before or 2 hours after meals).
Missed Dose
- If used as needed, skip missed doses.
- Do not double dose.
Overdose Symptoms
- Dry mouth, dizziness, drowsiness.
- Seek emergency help if suspected.
What to Avoid
- Fruit juices (interfere with absorption).
- Antacids with magnesium/aluminum (take 2 hours apart).
- Other sedating medications (may increase drowsiness).
Possible Side Effects
- Common: Nausea, diarrhea, headache, tiredness.
- Serious (seek medical help): Fever, chills, body aches, allergic reactions.
Drug Interactions
- Ketoconazole, erythromycin (may affect Allegra levels).
- Sedatives, muscle relaxers, antidepressants (may increase drowsiness).
- Always inform your doctor about all medications (prescription, OTC, supplements).
Storage
- Keep at room temperature, away from moisture and heat.
- Close bottle tightly.
Consult your doctor if symptoms persist or worsen.
