About Diphenhydramine
Class: | Antihistamine (First-generation H1 receptor antagonist)
Use: | Allergic reactions, allergic rhinitis, motion sickness, insomnia, and as a cough suppressant
Adult dose: | 25-50 mg taken orally every 4-6 hours as needed; maximum dose: 300 mg/day
Pediatric dose: | 6-11 years: 12.5-25 mg every 4-6 hours as needed; maximum dose: 150 mg/day; not recommended for children under 6 years without medical advice
Side effects: | Drowsiness, dizziness, dry mouth, constipation, blurred vision,
Drug Class
Antihistamine (First-generation H1 receptor antagonist)
Uses & Indications
Allergic reactions, allergic rhinitis, motion sickness, insomnia, and as a cough suppressant
Storage Requirements
Store at room temperature (20-25°C or 68-77°F) in a tightly closed container, away from moisture and light
Manufacturer & Packaging
Manufacturer: Major Pharmaceuticals, U.S.A
Package Size
100's
Price & Supplier
Price in UAE: AED 28.75
Dosage Information
Adult Dose
25-50 mg taken orally every 4-6 hours as needed; maximum dose: 300 mg/day
Pediatric Dose
6-11 years: 12.5-25 mg every 4-6 hours as needed; maximum dose: 150 mg/day; not recommended for children under 6 years without medical advice
Side Effects
Drowsiness, dizziness, dry mouth, constipation, blurred vision, urinary retention
Contraindications & Precautions
Hypersensitivity to diphenhydramine or other antihistamines, newborns, breastfeeding mothers, and patients with narrow-angle glaucoma, prostatic hypertrophy, or bladder neck obstruction
Important Warnings
May cause significant drowsiness; caution advised when driving or operating machinery; avoid alcohol; use with caution in elderly patients and those with cardiovascular disease, asthma, or hyperthyroidism
Medical Disclaimer
This information is for educational purposes only and should not replace professional medical advice.
Always consult with a licensed healthcare provider or pharmacist in the UAE before taking any medication.
The information presented here is specific to medicines available in UAE pharmacies and is regularly updated
to ensure accuracy for patients and healthcare professionals in the United Arab Emirates.