There are several types of hypersensitivity reactions, depending on the class of substance that triggers it. An antigen or allergen can refer to a toxic or foreign substance that causes an immune ...

Researchers noted that some people with the allergy may be able to consume certain types of beer without any reactions. 3. Red Meat A red meat allergy is also known as tick bite meat allergy or ...

Symptoms of allergies vary widely and depend on the type of allergy. Allergic reactions usually affect the area of the body that comes into contact with the allergen. For example, seasonal ...

Symptoms of an allergic reaction to essential oils can vary based on the person and how they use the oils. Here are the most common types of allergic reactions and the symptoms of each ...

This causes a variety of skin allergy types. There are more than 3,700 ... Contact dermatitis can trigger them, but allergic reactions to insect bites, medications, and foods can also bring ...

This article explores injection site reactions in more detail, including types, causes, and treatment. It also discusses when someone should speak with a doctor. However, these symptoms may vary ...

It can be hard to tell the two types of reactions apart. You can even have a reaction that’s a combination of the two. Fragrances and preservatives are often to blame. Even products that say ...

This is one of the most common types of transfusion reactions. It occurs during or up to 4 hours after a transfusion is completed. As always, the first step in managing a transfusion reaction is ...

Since the introduction of highly purified human recombinant insulin, injection-site reactions have been relatively rare, but this case illustrates that type I latex allergy should be considered ...