Then, when the fever breaks and it seems like they're turning a corner, that's when the rash starts to show up, Walls says.

Up to 30% of the time, chronic urticaria co-occurs with atopic (allergy-related) conditions like asthma, eczema, and allergic ...

Then, when the fever breaks and it seems like they're turning a corner, that's when the rash starts to show up, Walls says. Hives on their own or even with COVID-19 are not necessarily worrying ...