According to your symptoms, this friend should be allergic rhinitis. Allergic rhinitis is a special disease, which varies greatly among individuals. Allergic rhinitis is of little use. Every patient with allergic rhinitis has a different constitution. The key to the treatment of allergic rhinitis is to go to a regular professional otolaryngology hospital for detailed examination and symptomatic treatment, and also pay attention to prevention at ordinary times. I know a good place, Wuxi Jiashi Hengxin. I hope your brother's rhinitis will be optimistic as soon as possible.