Were you looking for information about Benadryl? Benedryll is a common misspelling of Benadryl.
Benadryl® (diphenhydramine hydrochloride) is an antihistamine medication that has several effects on the body. It blocks H1 receptors to help relieve or prevent allergy symptoms, works as a sedative to help people with insomnia sleep, and blocks acetylcholine receptors to treat common cold symptoms. There are many different versions of the medication available; some are available by prescription and others can be found over the counter. Depending on the particular product, the drug can be applied to the skin, taken orally, or injected into a muscle or vein.
(Click Benadryl for more information about this drug's specific uses, effects, dosing information, and potential side effects. You can also click on the various links in the box to the right to access specific topics on Benadryl.)