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How are Allergies Diagnosed and Treated?

Allergy shots -- also called immunotherapy or allergy desensitization therapy -- may help ease attacks. Respiratory allergies: Doctors treat allerg...

Elimination Diet

An elimination diet is a meal plan that avoids or removes certain foods or ingredients so you can find out what you might be sensitive to or allerg...

Childrens Allergic Reactions: Whats Severe?

A child who has had a severe allergic reaction should carry an emergency kit that includes an epinephrine auto-injector. As soon as possible after ...

How Do I Know If I Have Sinusitis?

Other symptoms of sinusitis include congestion that makes it hard to breathe through your nose, and tenderness around your nose and eyes. Your uppe...

Do I Need Surgery for Sinusitis?

Among these are endoscopy and balloon sinuplasty. If your doctor doesn’t need to remove anything from your sinuses, you may be a good candidate for...

Hives, Urticaria, and Angioedema

Hives are swollen, pale red bumps, patches, or welts on the skin that appear suddenly. Histamine sometimes makes blood plasma leak out of small blo...

Sinusitis Treatments and Home Remedies

Sinusitis is common. Acute sinusitis usually occurs from a cold, and sometimes from allergies. Risks for chronic sinusitis include year- round alle...

Picture of The Sinuses

Acute sinusitis (sinus infection): Viruses, bacteria, or fungi infect the sinus cavity, causing inflammation. Hay fever (allergic rhinitis): Allerg...

What is An Allergic Reaction?

During a reaction, your immune system releases antibodies. The cells then send out histamine, which causes blood vessels to expand, and other chemi...

Hives: what You Need to Know

Another reaction that sometimes happens along with hives is called angioedema. If over-the-counter medicine doesn't help or your hives won’t go awa...

Understanding Hay Fever -- The Basics

Hay fever is an allergic reaction to certain things. Rhinitis may also be associated with nasal polyps -- small, non-cancerous growths; nosebleeds ...

Pollen Allergies Overview

Others have a problem with grass pollen, which is more of a summertime issue. Some plants, including ragweed, grasses, and oak trees, make a fine p...