Here’s a ready-reference dosage chart for Fexofenadine, with both per kg and age-based guidance.
| Age Group | Standard Dose | Approx. Dose per kg | Maximum Daily Dose | Notes |
|---|---|---|---|---|
| 6 months – 2 years | 15 mg twice daily | ~1–2 mg/kg/day | 30 mg | For chronic urticaria only |
| 2 – 11 years | 30 mg twice daily | ~2 mg/kg/day | 60 mg | For allergic rhinitis & urticaria |
| ≥12 years & Adults | 120 mg once daily (rhinitis) 180 mg once daily (urticaria) | ~2–2.5 mg/kg/day | 180 mg | Usually weight-independent |
| Elderly / Renal impairment | Lower dose may be needed | Individualized | — | Start low, monitor response |
Children: ~2 mg/kg/day (divided doses, not exceeding age max).
Adults: Fixed dose (120–180 mg once daily).
⚠️ Important Notes:
Give on an empty stomach (better absorption).
Avoid fruit juices (orange, apple, grapefruit) – they reduce absorption.
Safe, non-sedating, but do not exceed recommended max dose.
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