Chronic urticaria patients, its course is often longer, usually more than six weeks of time, so the treatment above the time required is also longer. Mainly to anti-allergic drugs, usually second-generation antihistamines. Usually choose the most common loratadine tablets or ebastine tablets, these two are the most common, choose only one of them. First of all, take 1 tablet a day, if you can manage to take 1 tablet for 24 hours without an attack, no obvious itching on the body, no air masses, it means that this drug is effective in the treatment of urticaria, then take it continuously. Need to take 1-3 months, 1 day to eat 1 tablet, 1-3 months of time can start to reduce the amount of time, reduced to every other day to eat a, must not eat half a day, is every other day to eat 1 so reduce the amount of time to eat continuously is also about 1 month of time, can be changed to every 2 days to eat 1 tablet, gradually after 1 month is every 3 days to eat 1 tablet, gradually reduce the amount of time. If you can reduce to almost every 5-6 days to take 1 tablet, chronic urticaria should be considered to be cured, you can not take the drug. In case you eat to a cycle of time, every few days to take 1 medicine, the body suddenly flare up again, then eat to the above cycle, if it is now every 2 days to eat a piece of results of a period of time and then flare up again, then 1 day to eat a piece of time, but also continuously eat half a month to a month or so, and then change to every 2 days to eat a piece of time.