Since Benadryl was introduced in the 1940s, safer antihistamines have been developed, the Canadian Society of Allergy and Clinical Immunology says. Content. Skip to Main Content Accessibility Help.

The FDA panel found that phenylephrine — the active ingredient in Sudafed, Benadryl, Robitussin, and other popular decongestants — is nearly useless at reducing nasal congestion.

Benadryl, owned by corporation Johnson & Johnson, has an undated statement on its U.S. website regarding the "dangerous" overdose challenge circulating TikTok. Advertisement.

Benadryl (diphenhydramine) and alcohol are both central nervous system (CNS) depressants. Taking them together can worsen side effects like drowsiness and difficulty with cognitive tasks. If you ...

The “Benadryl challenge” is a dangerous social media fad on the app TikTok that led to the death of a 15-year-old Oklahoma teen last week, and the hospitalization of at least three Texas ...

Benadryl Dosage for Dogs. Getting the dosage right is important because most Benadryl tablets are intended for humans. Dogs are smaller than people, so they need less Benadryl than a person.

The Benadryl tablets for sale in most stores are 25 mg. If your dog is 50 pounds, for example, give him 2 tablets (50 mg total) and see how he responds before giving him the larger dose.