Chronic spontaneous urticaria (CSU) are kind of like your least favorite aunt. They show up unannounced and stay well past their welcome.These red, itchy welts have no obvious cause and last for 6 weeks or longer. And the effects of the continuous itching caused by CSU go far beyond just your skin. Living with CSU can affect your mental health, as well as your work and personal life. Symptoms of chronic spontaneous urticariaCSU isn’t predictable. Unlike hives that appear when you’ve been exposed to something you’re sensitive or allergic to, CSU hives come and go, seemingly at random. And they...
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