Can you take Zyrtec and dextromethorphan -
Yes, there was a scientific study published in a psyciatry journal done at a medical school in israel than compared giving 300mg of dxm plus clonidine to patients. View drug interactions between dextromethorphan / guaifenesin and Zyrtec. These medicines may also interact with certain foods or diseases. View drug interactions between dextromethorphan and Zyrtec. These medicines may also interact with certain foods or diseases.
Can you take Zyrtec if you are using Mucinex DM? - WebMD Answers
Yes, as long as both medications are for the correct symptoms. Zyrtec is an antihistamine, which will work for runny nose, itchy eyes, and sneezing. Learn about drug interactions between cetirizine-pseudoephedrine oral and dextromethorphan hbr oral and use the RxList drug interaction checker to check drug.