The active ingredients in Theraflu work to relieve your most bothersome cold and flu symptoms so that you can feel well fast. Some products have a powerful 3-in-1 formulation with acetaminophen, which is a pain reliever and fever reducer, diphenhydramine, which is a cough suppressant and antihistamine, and phenylephrine, which is a nasal decongestant. Other products contain formulations featuring dextromethorphan, a cough suppressant. Together, these powerful ingredient formulations work to effectively fight your cold and flu symptoms.
When taking Theraflu it is important to understand that it may cause side effects. You should not take more than the recommended dose because it will increase the risk of side effects. To maximize benefits and reduce risks, it is important to use OTC medicines responsibly and according to the label.