Medicine Name: Meflotas Tablet. Composition: Mefloquine (250mg). Side Effects: Abdominal pain Abnormal dreams Anxiety Chills Depression Diarrhea Dizziness Fever Headache Atrial arrhythmias altered heart rate Insomnia difficulty in sleeping Itching Loss of appetite Muscle pain Nausea Rash Ringing in ear Vertigo Visual impairment Vomiting Fatigue.