https://ru.doktika.com/guaifenesin_pseudoephedrine_and_dextromethorphan_tablets_and_capsules-zinc_sulfate_capsules_and_tablets
Guaifenesin, Pseudoephedrine, and Dextromethorphan Tablets and Capsules и Zinc Sulfate Capsules and Tablets - взаимодействие лекарств