Decongestants are drugs that decrease nasal congestion. Nasal decongestants can help with snoring, colds, and allergies. Side effects include nervousness, difficulty sleeping, and increased heart rate and an increase in blood pressure. Follow the links below to find WebMD's comprehensive coverage about how decongestants work, who needs them and why, and much more.
Drugs to Treat Allergy Symptoms
WebMD provides a comprehensive overview of drugs used to treat and prevent allergic reactions.
Expert Advice on Handling Your Nasal Allergies
Do you sneeze at certain times of the year or in all seasons? WebMD tells you how your allergies can be identified.
Sinus Infection (Sinusitis)
Sinus infections, also known as sinusitis, can be hard to distinguish from other respiratory ailments. Learn about the symptoms, causes, and treatments of sinusitis.
How to Choose Over-the-Counter Cold and Flu Meds
How do you choose a cold/flu remedy? Get tips to fend off symptoms.