Learn about the active ingredient in SUDAFED®, pseudoephedrine HCl: how it works, what it’s used for, why it’s behind-the-counter, warnings, side effects, dosage and more.

Mar 21, 2024 · Sudafed is a decongestant and is used to treat nasal and sinus congestion. Learn about side effects, interactions and indications.

Apr 7, 2025 · What do Sudafed products treat? Sudafed products are commonly used to treat cough, cold, and flu symptoms. The main active ingredient in most products is a decongestant.

Pseudoephedrine (Sudafed) is a nasal decongestant. It helps reduce swelling in your nasal cavities so you can breathe more easily.

Sep 11, 2025 · Sudafed (pseudoephedrine) and Mucinex (guaifenesin) are popular OTC medications used to relieve congestion related to a cold or allergies. Learn more about the similarities and …

Apr 27, 2018 · Sudafed is a popular decongestant that’s available at most pharmacies. It can help relieve nasal and sinus congestion and pressure due to the common cold, hay fever, or upper …

Apr 14, 2023 · Sudafed (pseudoephedrine) is a non-drowsy decongestant taken by mouth to treat nasal and sinus congestion from allergies and the common cold. It's available in a short-acting version …

Explore products available from SUDAFED®, including nasal decongestants and sinus pressure relief for day or night. Available for adults and children.

Health Deals - Buy Sudafed PE Sinus Pressure + Pain Relief Decongestant Tablets, 24 ct - Instore at your local Dollar General stores. Find all the Medicine Cabinet options you need for the best prices.

Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson's disease), or for 2 weeks ...