Allergies Medical Reference

What are the causes, symptoms, and treatments of postnasal drip. WebMD tells you what you need to know.

If you have a hole in your septum, also called a nasal tear, you have great treatment options -- from salt water to surgery. Find out more from WebMD.

WebMD explains when a deviated septum might require surgery.

Sinus infections (sinusitis) is when cavities around the nasal passages become inflamed. Learn about the symptoms, causes, and treatments of sinusitis.

Peanut allergy has become one of the most common causes of severe allergy attack, and cases are on the rise. WebMD shows you how to spot the signs and get treatment quickly to avoid serious consequences.

Allergic reactions can affect your eyes, skin, breathing or more. If you were having one, would you know it? WebMD tells you what you need to know.

If you need antibiotics, penicillin allergy can make a big difference in what drug you get. Find out about symptoms, how you get tested and what your options are if you're allergic.

Is it a cold or sinusitis? WebMD explains the difference.

Anaphylaxis: WebMD explains how to recognize an anaphylactic reaction and how to get help.

WebMD gives you the facts you need to figure out if eating wheat, gluten, eggs, sulfates, or other foods is making you sick.

WebMD explains histamines, a defense mechanism your body employs to fight off allergens.

Learn about pollen allergies from WebMD.

Do you keep getting sinus problems? WebMD explains why it may be happening and what you can do about it.

What’s really causing that rash? WebMD shows you the common culprits and shares what you can do relieve the itchiness.

There are a lot of similarities, but also some key differences in symptoms. WebMD explains how to tell them apart.

An allergic reaction after you drink alcohol doesn’t mean you are allergic to alcohol. WebMD tells you what’s really going on.

If you're sniffling and sneezing from a mold allergy, WebMD explains how to clean up fungus inside your home and how to keep it from growing there in the first place.

WebMD explains how swift action can bring you relief from common hay fever problems.

WebMD takes a comprehensive look at allergies, their symptoms, and treatments.

Find out if you could be at risk for a rash from wearing nickel jewelry and other surprising triggers of allergic reactions. WebMD has the details.

WebMD has a list of questions to ask your doctor about treatments for sinusitis.

WebMD offers tips on getting relief from a sore throat due to cold, flu or allergies.

Decongestant, saline rinse, antihistamine, steam? What's the best remedy to un-stop your stuffy nose?

Tips on managing pain, fever, and body aches when you’re sick.

When you have allergies, even getting a little exercise outdoors can be a challenge. So before you head outside to get your sweat on, follow these WebMD tips to make your workout less itchy and sniffly.