About fexofenadine hcl
Second-generation antihistamine
Used for
- Relief of seasonal allergic rhinitis symptoms, such as sneezing and itchy, runny nose
- Relief of chronic hives and associated itching
Usual adult dose
For allergic rhinitis: 120 mg once daily. For chronic hives: 180 mg once daily.
Usual dose in children
For ages 6–11: 30 mg twice daily for allergic rhinitis or chronic hives. Not usually used under age 6.
Common side effects
- Headache
- Drowsiness or dizziness
- Nausea
- Dry mouth
Important warnings
- Kidney impairment may require a lower dose.
- Fruit juices and antacids containing aluminium or magnesium can reduce absorption.
- May cause drowsiness; effects vary between people.
Pregnancy
Use when needed after weighing benefits and risks; pregnancy data are limited.
Breastfeeding
Small amounts may enter breast milk; use with caution, especially with a newborn.
Interactions
- Fruit juices, including grapefruit, orange, or apple juice, reduce absorption.
- Aluminium- or magnesium-containing antacids reduce absorption; separate by about two hours.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.