Medically reviewed by Daniel Combs, MD Key Takeaways Benadryl is used for insomnia but should only be used short-term for up to 14 days. The FDA recommends diphenhydramine only for adults and children ...

Add Yahoo as a preferred source to see more of our stories on Google. The "Benadryl challenge," a viral social media trend, encourages taking dangerous doses of the medication to induce hallucinations ...