Diphenydramine Hydrochloride
FDA Drug Information • Also known as: Nighttime Sleep Aid
- Brand Names
- Nighttime Sleep Aid
- Route
- ORAL
- Dosage Form
- TABLET
- Product Type
- HUMAN OTC DRUG
What Is Diphenydramine Hydrochloride Used For?
Uses ■ for relief of occasional sleeplessness
Dosage and Administration
Directions Do not take more than directed. See overdose warning adults and children 12 years and over take 2 caplets at bedtime if needed, or as directed by a doctor children under 12 years do not use
Warnings and Precautions
Warnings Do not use ■ in children under 12 years of age ■ with any other product containing diphenhydramine, even one used on skin Ask a doctor before use if you have ■ a breathing problem such as emphysema or chronic bronchitis ■ glaucoma ■ trouble urinating due to an enlarged prostrate gland Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers When using this product ■ avoid alcoholic drinks ■ drowsiness will occur ■ do not drive a motor vehicle or operate machinery Stop use and ask a doctor if ■ sleeplessness persists continuously for more than 2 weeks. Insomnia may be a symptom of serious underlying medical illness. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. Overdose warning : In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222).
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.