Why Do Antihistamine Medications Make You Sleepy?
Drowsiness is one of the main side effects of some antihistamines, such as diphenhydramine, which can be found in Benedryl and doxylamine succinate, which is found in Nyquil. And because of their powerful sedating abilities, antihistamines are also the main ingredients that are found in many over-the-counter sleep aids. But why do antihistamine medications make …
