Allergies Medical Reference

When you're allergic to dust and dust mites, it can feel like having an endless cold or even asthma. Get tips to prevent and ease your symptoms.

Are nasal sprays the best way to treat your allergy symptoms? See which allergy treatment might be right for you.

WebMD explains aspirin sensitivity, including the symptoms and reactions some people may have to the painkiller.

What do you do when a scorpion stings? Here's how to treat this painful bite.

Can you take a medicine from the store when you have an allergic reaction, or should you get a prescription? Learn about the differences so you can decide.

What do you do when a mosquito bites? WebMD tells you how to relieve the itch.

Montelukast (Singulair) is a drug that relieves allergy symptoms and prevents asthma attacks. It eases nose congestion and cuts down on sneezing, itching, and eye allergies. For people with allergies and asthma, it helps keep airways to their lungs open.

Learn more about decongestants for allergy symptoms.

Any drug can set off an allergic reaction. Here's a look at some of the drugs that are more likely to cause problems.

Got fire ant bites? Learn about normal reactions, effective treatments, and when to seek medical help. Stay safe and informed!

Bug spray can help fight off biting insects. Here's how you can use bug spray to keep bugs at bay.

Learn about the causes and symptoms of bee sting serum sickness, how it is treated, and how you can avoid it.

Learn about mosquito repellents that are derived from natural materials such as plants. WebMD explores alternatives to chemical mosquito repellents.

The uses and variety of eyedrops for allergies, including side effects.

Nonallergic rhinitis is like allergies and hay fever but happens without a known cause. Triggers can include smoke, changes in pregnancy, or other factors.

Blood testing for allergies is sometimes performed instead of skin tests. The experts at WebMD tell you why.

Find out about aquagenic urticaria, an allergy to water, and learn about treatments for this rare condition.

From sunburn to poison ivy, a look at some common summer skin hazards, and what you can do to prevent and treat them.

Not sure what's causing your stuffy nose and sneezing? Try 3 simple tests to tell the difference between colds and allergies -- and learn about the right treatment for each.

Here's why a cold causes sinus pain and pressure -- and how to get relief.

An explanation of nasal polyps, including what causes them, their symptoms, and their treatment.

Do scents and fragrances irritate your nose? Trigger migraines? Spark your allergies? Try these 6 natural alternatives from WebMD to make things smell good.

A deviated septum is a condition in which the nasal septum – the bone and cartilage that divide the nasal cavity of the nose in half – is significantly off center, or crooked, making it hard to breathe.

Would you recognize the signs of anaphylaxis? How can you protect your child from life-threatening allergies? Know the symptoms of severe allergic reactions and stay safe and prepared.

WebMD explains how dehumidifiers help allergies, how much they cost, and other benefits of dehumidifiers.

WebMD examines the benefits of mattress and pillow covers for those with dust mite allergies.

WebMD discusses the benefits of HEPA filters for relieving allergy triggers in your home.

WebMD discusses how chemicals in fragrances, shampoos, cleaners, and other products can cause allergic reactions. Learn about symptoms, causes, and treatments.

WebMD discusses what casein is, why it can trigger allergies, what foods contain casein, and how to prevent or treat casein allergies.

Nickel is in lots of things – jewelry, cell phones, eyeglass frames, and more. Are you allergic to it?

If you have allergies, it’s especially important to keep your bedroom allergy-free. There are easy ways you can do it.

WebMD explains types of antihistamines and their use for allergies.

Are allergies affecting your eyes? Try these treatments and self-help strategies from WebMD for relief of eye allergies.

WebMD helps you develop a plan to treat sinus problems that come from having allergies or a common cold.

From home remedies to OTC medications, here’s how to ease nasal congestion and sinus pressure.

Sinus headache: Learn the symptoms and treatment of sinus headaches, including decongestants, antihistamines, and nasal irrigation.

WebMD explains why antibiotics may not always be the best remedy for sinus problems.

Allergies aren't just for spring and fall. Here’s what you need to know about symptoms, causes, treatments, and prevention of winter allergies.

Pollen getting to you? What do to if you’re allergic, so you can still enjoy the season.

Spring and fall aren't the only times for seasonal allergies. Learn more about summer allergies from the experts at WebMD.

Common fall allergy causes, treatments, and symptoms. Learn more about what triggers allergies in the fall season.

Learn more from WebMD about allergies to dogs - including causes, symptoms, and treatment - and how to reduce your allergic reaction.

A cat allergy is no laughing matter. Learn more from WebMD about the causes, symptoms, and treatments of allergies to cats.

If pollen makes you sneeze and get congested, you might want to stay away from these plants.

While there's no cure for allergies, you can manage your child's allergy symptoms with medication. Here’s how.

Food allergies can be serious, but they're manageable, especially when you avoid your trigger foods. Most reactions are caused by just nine things.

How many people are allergic to ragweed pollen, cat dander, food? How many people have asthma? WebMD gives you a quick rundown of some of the most important allergy and asthma statistics.

Leukotriene modifiers are medicines used to manage allergic rhinitis or allergies, as well as prevent asthma. Read more here from the experts at WebMD.

Get relief from sneezing, itching, and a stuffy or runny nose that allergies can cause. See your options when it comes to nasal sprays and antihistamine pills.

Saline nasal spray is a saltwater solution used to moisturize and clear nasal passages, easing congestion and promoting sinus health.