Overview Dimenhydrinate is a first-generation antihistamine that is commonly used to prevent and treat nausea, vomiting, and dizziness caused by motion sickness. It is also used to alleviate symptoms of vertigo and certain types of nausea. As an over-the-counter medication, dimenhydrinate is often found in products designed to address motion sickness, such as travel sickness tablets, and is available in both oral and injectable forms. The drug is known for its sedative effects, which can help in managing symptoms of nausea and dizziness while also making patients feel more relaxed. Dimenhydrinate has been widely used for decades due to its…