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

Dec 15, 2025 · Benadryl can cause drowsiness and should not be used when driving. Taking large doses of Benadryl can lead to serious health issues like cardiac arrest and death. People …

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 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.

Oct 14, 2024 · Benadryl can cause certain side effects, some of which are more common than others. These side effects may be temporary, lasting a few days to weeks. However, if the side …

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 …

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, …

Benadryl® (diphenhydramine) is a liquid medication that treats the symptoms of allergies and allergic reactions. It may also prevent and treat motion sickness or the symptoms of …

These common side effects of diphenhydramine happen in more than 1 in 100 people. There are things you can do to help cope with them: Drowsiness usually wears off around 8 hours after a …

Benadryl (diphenhydramine) is an antihistamine used mostly to treat seasonal allergies. In overdose, diphenhydramine can cause excessive sleepiness, confusion, hallucinations, fast …