Medicine Name: Ronycuf S Syrup. Composition: Ambroxol (NA) + Guaifenesin (NA) + Terbutaline (NA). 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.