3 doctors weighed in:

Body itchy not scabies/bedbugs, negative blood&skintest, contagious, red splotches with hotbath, any clue what it is? No allergies

3 doctors weighed in
2 doctors agree

In brief: Cholinergic Hives?

Cholinergic hives/urticaria is a hypersensitive response in the skin as a result of the body increasing in temperature (passively or actively), or the precipitating release of sweat.
When an individual is exposed to a heat stimulus (typically in the form of physical exertion, high room temperature, or emotional responses), then the person may begin to feel an stinging or itching feeling on the body.

In brief: Cholinergic Hives?

Cholinergic hives/urticaria is a hypersensitive response in the skin as a result of the body increasing in temperature (passively or actively), or the precipitating release of sweat.
When an individual is exposed to a heat stimulus (typically in the form of physical exertion, high room temperature, or emotional responses), then the person may begin to feel an stinging or itching feeling on the body.
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