There are 2 forms of Urticaria:
1. Acute Urticaria which lasts < 6 weeks duration, and often gone within hours to days
2. Chronic Urticaria which last > 6 weeks duration, with daily or episodic weals.
The key to "permanent" cure is to:
1. Avoid triggers like heat (including hot showers, exercise)
2. Take oral anti-histamines
Hope that this helps!
