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Image Number 859 (Papular urticaria)

 
Morphology:
Macules

Diagnosis: Papular urticaria

Site: Leg

Sex: F

Age: 44

Type: Clinical

Description: crops of very itchy red bumps

Submitted by: Ebtisam Elghblawi

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Differential Diagnosis

History: Papular urticaria is a common reaction to insect bites; hypersensitivity reaction to the bites of mosquitoes, fleas, bedbugs, and other insects . Commonenly seen in children. Clinically can be seen as crops of very itchy red bumps, 0.2 - 2 cm in diameter, with a central punctum, seen often in summer time. Sometimes each spot develops a fluid-filled blister up to one centimetre in diameter. They are most often on the legs and other uncovered areas such as forearms and face but sometimes they are scattered in small groups all over the body. Its very itchy condition where it gets infected sometimes due to scratching and erosion. The spots seem to remain for a few days to a few weeks and can leave persistent marks or scars, especially if they have been scratched deeply.

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