Dramamine Less Drowsy Motion Sickness Tablets, 8 Count. For the prevention and treatment of symptoms associated with motion sickness like nausea, vomiting, and dizziness. Dramamine Less Drowsy will relieve motion sickness with less drowsiness for up to 24 hours. Take your first dose 1/2 to 1 hour before starting activity, adults & children 12 years and over take 1 to 2 tablets once daily or as directed by a doctor. #1 Pharmacist Recommended Brand.