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Cetirizine
ستیریزین
🤧 AntihistaminesSecond-generation antihistamine
Market / country: 🇺🇸 USA
Zyrtec (US)
🧮 Dose calculator
Allergic rhinitis · Regimen source: FDA Cetirizine OTC · DirectionsFDA Cetirizine OTC · Uses
- • 2 to under 6 years: if needed up to 5 mg once daily or 2.5 mg every 12 h; no more than 5 mg in 24 h. FDA Cetirizine OTC · Directions
- • 6 years and over: 5 or 10 mg once daily depending on severity; max 10 mg in 24 h. This calculation shows 5 mg. FDA Cetirizine OTC · Directions
- • 65 years and older: 5 mg once daily; max 5 mg in 24 h. FDA Cetirizine OTC · Directions
- • Under 2 years: label says ask a doctor; no dose defined. FDA Cetirizine OTC · Directions
Enter age (weight is optional for this regimen).
🛡️ Safety & information
Contraindications
- ⛔ History of allergic reaction to this product or to an antihistamine containing hydroxyzine. FDA Cetirizine OTC · Warnings
Warnings
- • Ask a doctor before use with liver or kidney disease; a different dose may be needed. FDA Cetirizine OTC · Warnings
- • Drowsiness may occur; alcohol, sedatives and tranquilizers may increase drowsiness. FDA Cetirizine OTC · Warnings
Formulations
- 5 mg / 5 mL — solution 🇺🇸 USA FDA Cetirizine OTC · Active ingredient
📚 Reference status for this drug
Shows which sources have references recorded for this drug and which do not.
- FDA label (DailyMed)✅ PresentFDA Cetirizine OTC · Active ingredientFDA Cetirizine OTC · DirectionsFDA Cetirizine OTC · UsesFDA Cetirizine OTC · Warnings
- UK SmPC (eMC / MHRA)❌ Not present
- Published guideline❌ Not present
- Licensed reference (medical school)❌ Not present
- Iranian leaflet (IFDA)❌ Not present
- Clinical review⚠ Unverified