Many allergic reactions and anaphylaxis symptoms are similar because both conditions involve an allergic response from the immune system. Mild allergic reactions cause minimal symptoms ...

Medically reviewed by Jurairat J. Molina, MD Allergies are an immune system reaction to substances called allergens. The cause a range of symptoms from a stuffy nose to itchy eyes to difficulty ...

An allergic reaction is your immune system going on the defensive and overreacting to a foreign substance — usually a harmless one. Not common at all. Being allergic to hormonal birth control of ...

Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is ...

A study led by TUM researchers finds that cystic fibrosis alters immune cells early in life, likely before birth. These ...

Since immune cells generally produce only very small amounts of CFTR, the research team believes that the influence of cystic fibrosis on the immune system is indirect. This could explain why ...

A revolutionary approach to immune therapy has emerged: engineered immune cells that protect healthy tissue without ...