Stugeron 15mg Tablets Stugeron 15mg Tablets control travel sickness in adults & children aged 5 years & over. They can also be used to treat balance problems, such as Mnires disease, to treat symptoms of dizziness or lightheadedness, ringing in the ears, nausea & vomiting. The active ingredient in Stugeron 15mg Tablets is cinnarizine, an antihistamine that works by blocking the histamine receptors in the vomiting centre in the brain to relieve the symptoms of balance & movement problems.