Often, hives may also grow on the scalp and require active management.
Urticaria is a limited edematous reaction due to dilation of small blood vessels in the skin and mucous membranes from various internal and external causes. It usually subsides within a few hours to 24 hours, but in a small percentage of people it can last for days to months.
The disease tends to recur and may be triggered by factors such as environment, diet, temperature, bites, medications, and genetics.
Treatment mainly consists of removing the cause and relieving the itching if necessary, such as taking oral loratadine and cetirizine under a doctor’s supervision. You also need to be careful not to scratch as much as possible, which may aggravate the itching and other symptoms, thus inducing infection.
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