Medicine Name: Viscodyne  Syrup Sugar Free. Composition: Ambroxol (15mg/15ml) + Guaifenesin (50mg/15ml) + Menthol (2.5mg/15ml) + Terbutaline (1.25mg/15ml). Side Effects: Nausea Diarrhea Vomiting Dizziness Headache Rash Tremors Increased heart rate Upper abdominal pain Urticaria Itching Sweating Changes in serum aminotransferase levels Bloating Indigestion.