Diphenhydramine: how to take it safely
Benadryl
Reviewed by Pharm. Abeeb Junior
What it is for
Relieves allergies, itching and hives, and can help with short-term sleep problems.
How to take it
Swallow with water.
When to take it
Take it every 4 to 6 hours when needed, or at bedtime.
Take it with
With or without food.
What to avoid
- Alcohol.
- Driving or using machines if you feel drowsy.
- Taking it with other sedating medicines or sleeping tablets.
- Giving it to children under 6 without advice.
- Using it for sleep for more than a few days.
- Tell your doctor if you have glaucoma, an enlarged prostate or epilepsy.
Possible side effects
Drowsiness, dry mouth, headache.
Get help if
Swelling of the face, lips or tongue, trouble breathing, a fast irregular heartbeat or fainting: get urgent help.
This is general information, not personal medical advice. Always follow your doctor's or pharmacist's instructions and read the leaflet that comes with your medicine. Medicines and doses can differ between products and people.