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Chlorphenamine (chlorpheniramine)
کلرفنیرامین
🤧 AntihistaminesFirst-generation antihistamine
Market / country: 🇬🇧 UK
Piriton (GB) · Chlor-Trimeton (US)
🧮 Dose calculator
Allergic conditions (hay fever, urticaria, angioedema, insect bites, chickenpox itch) · Regimen source: UK SmPC Piriton · 4.2UK SmPC Piriton · 4.1
- • Every 4–6 h (1–2 years: twice daily). Daily max: 1–2 y 2 mg; 2–6 y 6 mg; 6–12 y 12 mg; ≥12 y 24 mg. Not continuously >2 weeks without advice. Not recommended under 1 year. UK SmPC Piriton · 4.2
Enter age (weight is optional for this regimen).
🛡️ Safety & information
Contraindications
- ⛔ Not recommended for children below 1 year. UK SmPC Piriton · 4.2
- ⛔ MAOI treatment within the last 14 days; hypersensitivity to antihistamines. UK SmPC Piriton · 4.3
Warnings
- • Caution in epilepsy, glaucoma, prostatic hypertrophy, asthma/bronchitis, hepatic or renal impairment; paradoxical excitation in children. UK SmPC Piriton · 4.4
Formulations
- 2 mg / 5 mL syrup — syrup 🇬🇧 UK UK SmPC Piriton · 2
📚 Reference status for this drug
Shows which sources have references recorded for this drug and which do not.
- FDA label (DailyMed)❌ Not present
- UK SmPC (eMC / MHRA)✅ PresentUK SmPC Piriton · 2UK SmPC Piriton · 4.2UK SmPC Piriton · 4.1UK SmPC Piriton · 4.3UK SmPC Piriton · 4.4
- Published guideline❌ Not present
- Licensed reference (medical school)❌ Not present
- Iranian leaflet (IFDA)❌ Not present
- Clinical review⚠ Unverified