Your symptoms are symptoms of urticaria. (Using Fengyoujing can only have a cooling effect, but cannot cure it)

It is a localized edema reaction caused by the dilation and increased permeability of small blood vessels in the skin and mucous membranes. It usually occurs between 2 and It resolves within 24 hours, but new rashes recur. The course of the disease lasts from days to months. It is relatively common clinically.

For treatment, it is recommended to use antihistamines to relieve itching and inflammation.

Common antihistamines include (diphenhydramine, cyproheptadine, chlorpheniramine, etc.), acrivastine, cetirizine, mizolastine, loratadine, chlorpheniramine, etc. Bastine, azelastine, desloratadine, etc.).

At last, here is a photo of urticaria:

I hope this helps and wish you a speedy recovery. .