InstaRelief Nighttime Sleep Aid (Diphenhydramine Hydrochloride): Uses, Side Effects & Interactions
1. Introduction and Mechanism of Action for InstaRelief Nighttime Sleep Aid InstaRelief Nighttime Sleep Aid is an over-the-counter pharmacological intervention containing diphenhydramine hydrochloride, strictly indicated for the short-term management of transient insomnia. The most notable side effect is residual next-day sedation, commonly referred to as a “hangover” effect, alongside prominent anticholinergic symptoms such as dry … Read more