Related Resources:
Definition:
Related Terms
• IgE
• IgG
• IgM
IgA is a type of antibody whose main function is to fight ingested antigens. It is found in body secretions such as saliva, sweat, or tears. IgA prevents the attachment of viruses and bacteria to skin and intestinal lining surfaces.
Bacterial Infections
Information about all types of bacterial skin infections.
Viral Infections
Information about viral infections that affect the skin.
Fungal Infections
Information about fungal infections that affect the skin, hair, and nails.
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IgA - Immunoglobulin A
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