How long does it take for papular urticaria to clear up?

The course of papular urticaria is highly variable, ranging from 2 days to 2 weeks has been reported, the disease has a certain degree of self-healing, severe symptoms can be accelerated by drugs to recover.
Most cases of papular urticaria are caused by insect bites, which are also known as insect bite dermatitis, and are characterized by localized, doughnut-like papules. The disease has a certain degree of self-limitation, according to the different sensitivity to mosquito stimuli and secretions, the duration of the disease from 2 days to 2 weeks are possible.
In combination with severe itching and localized erythema, intervention can be made by localizing the rash with medications such as glycerite lotion and dexamethasone ointment. If the erythema and rash are extensive and accompanied by severe itching and pain, antihistamines such as luretadine can be taken orally, and in severe cases, glucocorticosteroids such as methylprednisolone can be taken orally.
If the above symptoms occur, it is recommended to go to the hospital; the above drugs should be used under the guidance of the clinician.