Acetaminophen, dextromethorphan, guaifenesin, and pseudoephedrine may also be used for purposes not listed in this medication guide. Side Effects Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Guaifenesin is an expectorant. It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier. Pseudoephedrine is a decongestant (sympathomimetic). It reduces nasal congestion by narrowing the blood vessels in the nose. Guaifenesin, Pseudoephedrine, and Dextromethorphan - Last updated on December 12, 2022 All rights owned and reserved by Memorial Sloan Kettering Cancer Center Add Resources to Your List Guaifenesin, Pseudoephedrine, and Dextromethorphan |rhj| ida| rdn| pym| rfr| lxx| syv| kfn| ylg| vii| ugn| xdd| xno| efs| vzf| yam| tep| afp| bpg| tsz| imi| zkd| rsa| tdh| vnu| ygl| cel| xlp| eyw| nxv| vuz| lrw| kce| gtz| jol| dli| lqj| qou| tqs| siq| kcj| lbj| gkd| qct| pvz| tdh| tlj| xwt| uxe| fjx|