Per tab Diphenhydramine HCl 10 mg,  dextromethorphan HBr 15 mg,  guaifenesin 100 mg,  phenylephrine HCl 15 mg. Per 5 mL sir Diphenhydramine HCl 5 mg,  dextromethorphan HBr 7.5 mg,  phenylephrine HCl 5 mg,  ammon Cl 62.5 mg,  Na citrate 25 mg.
                                
                             
                            
                            
                                
                                
R05FA02 - opium derivatives and expectorants ; Belongs to the class of combinations of opium derivatives cough suppressants and expectorants. Used in the treatment of cough.