Children's Mucinex Multi-Symptom Cold, 4 fl oz Sale! from 1199 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Controls Cough with active ingredient dextromethorphan HBr cough suppressant Thins & loosens mucus with active ingredient guaifenesin expectorant Relieves stuffy nose Qty available:100 Tweet