Dizinil 50 mg, containing dimenhydrinate, is a medication commonly used to relieve symptoms of motion sickness and nausea, such as dizziness, vomiting, and vertigo. Dimenhydrinate works by blocking the effects of histamine, a substance in the body that causes nausea, vomiting, and other motion sickness symptoms. It can also help reduce dizziness associated with conditions like inner ear problems.