COMMENTARY

Type I Hypersensitivity: Osmosis Study Video

Rishi Desai, MD, MPH

Disclosures

December 18, 2020

Type I hypersensitivity reactions are immediate and mediated by immunoglobulin (IgE) antibodies. The antigen—such as allergens like pollen and dust mites—allow IgE antibodies bound to mast cells and basophils to cross-link with vasoactive mediators. Examples of type I hypersensitivity reactions include allergic anaphylaxis like asthma, hives, food allergies, and hay fever.

Review important information about the causes, diagnosis, and treatment in this short video.

For more study tools from Osmosis on Medscape, see our collection here.

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