Diphenhydramine

FDA Drug Information • Also known as: Histaprin, Nightime Sleep Aid

Brand Names
Histaprin, Nightime Sleep Aid
Dosage Form
POWDER
Product Type
BULK INGREDIENT

What Is Diphenhydramine Used For?

Uses temporarily relieves these symptoms due to hay fever or other respiratory allergies: ■ sneezing ■ itching of the nose or throat ■ runny nose ■ itchy watery eyes ■temporarily relieves these symptoms due to the common cold: ■ sneezing ■ runny nose

Dosage and Administration

Directions ■ if needed, take every 4-6 hours ■ do not take more than 6 doses in 24-hours children under 4 years of age Do not use children 4 to under 6 years of age Do not use unless directed by a doctor children 6 to under 12 years of age 1 to 2 teaspoonfuls (5 ml to 10 ml)

Warnings and Precautions

Warnings Do not use ■ with any other product containing diphenhydramine, even one used on skin ■ to make a child sleepy Ask a doctor before use if the child has ■ glaucoma ■ a breathing problem such as chronic bronchitis

About This Information

This drug information is sourced from FDA-approved labeling via the openFDA database. It is intended for educational and reference purposes only. This is not medical advice. Always consult your healthcare provider before making decisions about medication. Drug information may be updated by the FDA; check with your pharmacist for the most current information.

What are side effects?

Side effects are unwanted reactions that can occur when taking a medication. They range from mild (headache, nausea) to severe (allergic reactions, organ damage). Not everyone experiences side effects, and severity varies. Report any concerning side effects to your doctor.

What are drug interactions?

Drug interactions occur when a medication is affected by another drug, food, or supplement. Interactions can make medications less effective or cause dangerous side effects. Always tell your doctor about all medications and supplements you take.