ColdAndFlu

Health

How Often Can You Take Sudafed?

Understanding Sudafed and its Uses Sudafed is a brand name for the drug pseudoephedrine, which is commonly used as a nasal decongestant. It works by narrowing the blood vessels in the nasal passages, which reduces swelling and congestion. Sudafed is often used to treat symptoms of colds, allergies, and sinus infections. While Sudafed can be effective in relieving nasal congestion,…