Allergies and Anaphylaxis
Understanding what might cause the allergic reaction called anaphylaxis and how to treat it.
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.
Casein Allergy Overview
WebMD discusses what casein is, why it can trigger allergies, what foods contain casein, and how to prevent or treat casein allergies.
WebMD explains a deviated septum, including its causes, symptoms, and treatment.
Allergy-Proof Your Environment
WebMD gives you tips on how to help allergy proof your environment.
What Allergy Drugs Are OK With High Blood Pressure?
Some allergy medications are off limits when you have hypertension. Find out which allergy drugs are OK when you have high blood pressure.
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?
Most Common Drugs That Cause Allergies
Any drug can set off an allergic reaction. Here's a look at some of the drugs that are more likely to cause problems.
Latex and Food Allergies: What's the Link?
If you’re allergic to latex, some foods may trigger a reaction. See which foods to watch for.