Decongestants Directory
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.
Medical Reference
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Decongestants
Learn more about decongestants for allergy symptoms.
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Decongestants and Antihistamines for the Common Cold
Learn more about decongestants and antihistamines -- and whether they'll relieve your cold symptoms.
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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.
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Cold Medicine for Adults: Treat Your Symptoms
Over-the-counter cold medicines won’t cure your cold, but they might make you more comfortable, so you can rest as it runs its course. Here's a look at some common products and what they can do for you.