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Promethazine
پرومتازین
🤧 AntihistaminesPhenothiazine antihistamine
Market / country: 🇺🇸 USA
Phenergan (US)
🧮 Dose calculator
Allergic conditions (hay fever, urticaria, angioedema, insect bites, chickenpox itch) · Regimen source: FDA Promethazine · Dosage and Administration
- • Or 12.5 mg before meals and at bedtime; or 6.25–12.5 mg three times daily. FDA Promethazine · Dosage and Administration
Enter age (weight is optional for this regimen).
🛡️ Safety & information
Contraindications
- ⛔ Boxed warning: contraindicated under 2 years (fatal respiratory depression). FDA Promethazine · ContraindicationsFDA Promethazine · Boxed Warning
- ⛔ Coma; hypersensitivity to phenothiazines; lower respiratory symptoms including asthma. FDA Promethazine · Contraindications
Formulations
- 25 mg tablet (scored) — tablet 🇺🇸 USA FDA Promethazine · How Supplied
📚 Reference status for this drug
Shows which sources have references recorded for this drug and which do not.
- FDA label (DailyMed)✅ PresentFDA Promethazine · How SuppliedFDA Promethazine · Dosage and AdministrationFDA Promethazine · ContraindicationsFDA Promethazine · Boxed Warning
- UK SmPC (eMC / MHRA)❌ Not present
- Published guideline❌ Not present
- Licensed reference (medical school)❌ Not present
- Iranian leaflet (IFDA)❌ Not present
- Clinical review⚠ Unverified