Find out which OTC allergy medicines, including nasal sprays and oral antihistamines, are recommended by top allergy experts as the most effective options for relieving your seasonal allergies.

To start, “phenylephrine is metabolized more quickly [than pseudoephedrine], [so] it can be less effective for nasal decongestion than pseudoephedrine,” Dr. Lee says.

Have questions about pseudoephedrine and phenylephrine? We'll tell you how these decongestants are alike and different.

Why can’t you get pseudoephedrine off the shelf? Although pseudoephedrine is most commonly used as a decongestant, it is actually part of a class of stimulants called amphetamines.

Pseudoephedrine and phenylephrine are both decongestants. Learn more about how their uses, side effects, interactions, and more comparisons here.

Find which Alavert products are right for your symptoms and learn about the side effects, safety, interactions, and more.

Phenylephrine, the main ingredient in many popular over-the-counter decongestants, including Sudafed PE and some NyQuil products, is ineffective, an FDA panel concluded recently. Here's what to ...

Pseudoephedrine is an over-the-counter medication to help alleviate a blocked nose. This article discusses if people can mix it with alcohol.

Pseudoephedrine(Sudafed) generic is a decongestant, prescribed for cold, allergic rhinitis and hay fever. It relieves stuffy nose, opens nasal airways and drains sinuses.

Experts are assessing a very rare side effect of nasal decongestants that could harm brain blood flow.

Find out which OTC allergy medicines, including nasal sprays and oral antihistamines, are recommended by top allergy experts as the most effective options for relieving your seasonal allergies.