The most important thing is that you should be able to get the most out of the hives. The actual hives are clinically divided into acute hives and chronic hives. 1. acute hives: they can subside in a few minutes and not recur, some patients can subside in a few hours, generally 3-5 days hives can be cured. If the hives recur, more than 6 weeks is called chronic urticaria. 2, chronic urticaria: how long can be cured there is no certain standard, generally fast a few months, some may need a few years, some individual stubborn cases may need decades, so how long can be good hives no uniform standards.