Were you looking for information about Pseudoephedrine? Pseudophedrin is a common misspelling of pseudoephedrine.
Many over-the-counter allergy and cold medications contain pseudoephedrine, a decongestant. This medication is especially useful for relieving nasal congestion due to allergies or the common cold and for relieving sinus congestion and pressure. The decongestant comes in several different forms, including immediate-release tablets, extended-release tablets, and a liquid; the instructions for use vary with each different product. It is important to talk to your healthcare provider before taking this drug if you have hyperthyroidism, diabetes, or kidney disease.
(Click Pseudoephedrine for information on how pseudoephedrine works, to find out what side effects may occur with this drug, and to learn more about warnings and precautions associated with this product. You can also click on the various links in the box to the right to access specific topics on pseudoephedrine.)