Two in every 100 children under 4 years old have a milk allergy. It is one of the most common allergies in children.

Subcutaneous therapy involves injections administered under the skin, whereas sublingual requires tablets given under the tongue.

Foods, pollen, and pets are well-known culprits of allergic reactions, but regular things like cellphones or coins can be allergy too.

Many people with aspirin sensitivity, nasal polyps, and asthma (AERD) may also experience an allergy-like response to drinking alcohol.

Effective biologic therapies are now available to treat some persistent, chronic, and poorly controlled allergic conditions.

About 2 percent of young children have an allergic reaction to eggs.

PANDAS is an immune-mediated disorder characterized by the abrupt onset of OCD and tic symptoms, often occurring after a strep infection.

Progesterone hypersensitivity is an allergic reaction to an elevated progesterone level in women during a menstrual cycle.

Dust itself is not an allergen. Instead, you can be allergic to microscopic organisms called dust mites that dust particles harbor.

Common variable immunodeficiency (CVID) is the most common form of severe antibody deficiency affecting both children and adults.

A semen allergy, also known as human seminal plasma hypersensitivity (HSP) — is the allergic reaction to certain proteins in men’s semen.

In individuals with VCD, the vocal cords close involuntarily when they breathe, making it difficult to move air in and out of the lungs.

Elevated levels of IgE are generally linked to allergic disease. However, the increase in IgE levels can also indicate many other...

Latex allergy is an immediate hypersensitivity reaction to the proteins in natural rubber latex made from the sap of the Brazilian...

Hereditary angioedema (HAE) is a rare but serious genetic disorder. It is largely caused by a deficiency or malfunction of the certain...

Many people believe that you’ll be at higher risk of iodine contrast allergy if you have shellfish allergy, due to the presence of...

Oral allergy syndrome (OAS), which is also called pollen-food allergy syndrome (PFAS or PFS), is a type of food allergy caused by ...

Artificial colors, preservatives, flavors, and other chemicals have become a significant part of the modern-day food industry.

Occupational asthma is the most common job-related lung disease in the U.S.

Adverse reactions to local anesthetics (LAs) are common, although they are mostly nonallergic. However, true allergic reactions can occur.