WebMD explains nasal polyps, including theories about what causes them, their symptoms, and their treatment.
WebMD explains the causes, symptoms, and treatments of postnasal drip.
WebMD explains a deviated septum, including its causes, symptoms, and treatment.
Can Allergies Be Cured?
There may not be a permanent cure for your allergies, but there are things you can do to control your symptoms and keep your triggers away.
Tree Pollen Allergy
Tree pollen is a common allergy trigger. WebMD explains which trees cause the most problems and how you can keep your tree pollen allergy symptoms under control.
Are Allergies Inherited?
Is a child more likely to have allergies if one or both parents has allergies too?
Which Plants Make the Most Pollen?
Is it the flowers -- or the trees, grasses, and weeds? What can you blame for your sneezing, itchy eyes, and runny nose during allergy season?
Skin Testing for Outdoor Allergies
If you sneeze and sniffle and you think it's because of pollen or mold, you may need allergy skin testing to be sure. Find out how it's done.
How Will My Doctor Diagnose My Allergies?
Your doctor will likely ask you a series of questions to help determine if your problem is allergy related. WebMD tells you what you can expect.
Skin Reactions to Beauty Products
Are you allergic to certain cosmetics or makeup?