As the weather gets colder, red rashes appear on the inner thighs, which are densely packed. Every time the bed becomes warmer, it becomes very itchy, and the rash will become slightly redder and larger, but it will not heal if left in the cold air.

Hello, your situation is a type of allergic urticaria that is converted to air.

The most prominent manifestation of urticaria is the sudden itching of the skin, followed by the appearance of flat wheals that are higher than the skin. Some are red, some are whitish, and they appear more and more frequently, with different sizes and shapes. , but the boundary is clear, accompanied by itching, which worsens at night. The onset time is variable. The wheals gradually spread and merge into sheets, which can be localized to a certain part or spread all over the body.

If your condition worsens, it is recommended that you consider seeing a regular hospital before receiving relevant treatment.