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Medication allergies can be difficult to diagnose. Some allergic reactions to drugs — particularly rashes, hives and asthma — can resemble certain diseases. An allergy to penicillin-type d...

When you are allergic, your body is reacting to a particular substance that should not normally bother you. These substances are called allergens. Typical allergens include pollens, dust mites, animal...

Self-treatment for allergies with over-the-counter medications may lead to unwanted side effects, such as drowsiness and fatigue. Some remedies may actually worsen the underlying condition. Untreated ...

Allergy When you cannot avoid allergens, there are many medications that can help control allergy symptoms. Decongestants and antihistamines are the most common allergy medications. They help to reduc...

In an oral food challenge, small increment amounts of food are fed to the patient over a period of a few hours to determine if a reaction occurs. Due to the possibility of a severe reaction, it must b...

Asthma is a common lung disorder characterized by episodes of coughing, wheezing and shortness of breath. Asthma is caused by inflammation of the lining of the small airways in the lungs (bronchioles)...

Allergy immunotherapy is the medical term for allergy shots, which are an effective treatment to help you become less allergic. The types of immunotherapy are: Conventional — Allergy shots ...

Allergy shots (also called subcutaneous immunotherapy or SCIT) are one of the best treatments available for your allergies and asthma. It is one of the few disease-modifying therapies available in med...

Preventive care is just as important as taking care of yourself when you're sick. A gynecological preventive exam is a great opportunity for you and your provider to review your health, discuss preven...

At Mayo Clinic Health System, an entire team of expert and specialized staff work together to serve you. Brief videos are available to help you select a health care provider whose approach to care ali...