Medicine Name: Soventus Jr Syrup. Composition: Ambroxol (10mg) + Guaifenesin (25mg) + Terbutaline (0.5mg). Side Effects: Nausea Vomiting Diarrhea Dizziness Headache Rash Tremors Increased heart rate Indigestion Bloating Upper abdominal pain Urticaria Itching Sweating Changes in serum aminotransferase levels.