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Tag: Diphenhydramine toxicity

Explore our medication guides and pharmacology articles within this category.

Understanding if Too Much Antihistamine Can Be Harmful

5 min read
According to the CDC, antihistamines were involved in nearly 4% of all U.S. drug overdose deaths between 2019 and 2020, demonstrating that taking too much antihistamine can be harmful and potentially fatal. While common over-the-counter allergy medications are generally safe when used as directed, exceeding the recommended dose can lead to severe toxicity and life-threatening complications.