For more information: Hernandez RG, Cohen BA. Insect bite-induced hypersensitivity and the SCRATCH principals: A new approach to papular urticaria. Pediatrics. 2006;118:e183-e190.

Papular urticaria is caused by both immediate (type 1) and delayed (type 4) hypersensitivity after a period of sensitization. Bullae typically develop in patients with more severe hypersensitivity.

"Papular urticaria is not necessarily harmful, and it simply means that our immune system is overzealous and eagerly responding. It can be quite uncomfortable. As you can imagine, if you swell so ...

If no relief is obtained a doctor should be consulted. Papular urticaria Papular urticaria is a term used to describe crops of grouped, itchy, reddened papules or small blisters. Each bump lasts for 2 ...

Papular urticaria - Hypersensitivity reaction which causes longer lasting itchy red bumps on exposed skin. - Treatment is the same as for local reactions.

The differential diagnosis includes juvenile xanthogranuloma, verruca plana, milia and papular urticaria. Lesions usually resolve spontaneously, but this process may take years, with more ...

Additional possibilities include papular drug eruption, papular urticaria, steroid-associated acne, and secondary syphilis.

Urticaria, also known as hives, is an outbreak of pale red bumps or welts on the skin that appear suddenly. The swelling that often comes with hives is called angioedema. Allergic reactions ...