Oct 3, 2025 · Learn about the side effects of diphenhydramine, from common to rare, for consumers and healthcare professionals.

Oct 17, 2025 · Diphenhydramine can cause confusion, dizziness, and urinary retention in people 65 and older. Diphenhydramine is a common ingredient in sleeping aids; it is also used to treat …

Nov 20, 2024 · Common side effects may include drowsiness, dizziness, and stomach upset. It may cause excitability in children. Do not drive or do other activities that require alertness, …

NHS medicines information on side effects of diphenhydramine and what you can do to cope.

Diphenhydramine is an antihistamine medication that treats the symptoms of allergies and allergic reactions. It also prevents and treats motion sickness or symptoms of Parkinson’s disease. …

Feb 21, 2024 · Benadryl, which is used to treat allergies, can cause side effects. Learn about its more common, mild, and serious side effects and how to manage them.

Diphenhydramine is a prescription medication used to treat the symptoms of Allergic Reaction, Insomnia, Cough, Motion Sickness, and Parkinsonism. What Are Side Effects Associated with …

Diphenhydramine is used to relieve red, irritated, itchy, watery eyes; sneezing; and runny nose, and cough caused by allergies or the common cold. Diphenhydramine is also used to treat …

May 10, 2023 · Benadryl (diphenhydramine) is a common over-the-counter (OTC) allergy medication. It’s also sometimes taken to help with sleep. Common Benadryl side effects …

Feb 29, 2024 · Diphenhydramine is an antihistamine used to treat sneezing, runny nose, itching, hives and other symptoms of allergies and the common cold. Includes diphenhydramine side …