Medicine Name: Levolin Plus Jr Expectorant. Composition: Ambroxol (15mg) + Levosalbutamol (0.5mg) + Guaifenesin (50mg). Side Effects: Nausea Vomiting Diarrhea Upset stomach Stomach pain Allergic reaction Dizziness Headache Rash Hives Tremors Palpitations Muscle cramp Increased heart rate.