0 interactions for Brompheniramine, Pseudoephedrine, Dextromethorphan - Brompheniramine, Pseudoephedrine, Dextromethorphan syrup®A therapy excluded from this list of known interactions does not necessarily mean that no interactions exist between that therapy and and Brompheniramine, Pseudoephedrine, Dextromethorphan - Brompheniramine, Pseudoephedrine, Dextromethorphan syrup®.