A sun rash is an immune system reaction to sunlight exposure that causes itchy bumps, raised patches, or blisters on your ...

Symptoms can vary widely, ranging from acute or chronic eczema to erythema multiforme. The location of lesions depends on the type of contact. For example, airborne allergens primarily affect the ...

Cytotoxic interface dermatitis (CID) is a cutaneous immunological reaction at the dermal-epidermal junction (DEJ) (1). The mononuclear cell-rich infiltrate (usually lymphocytic) may obscure the DEJ (2 ...