If the headache is caused by excessive exercise and prolonged breath-holding in the water, it is recommended to take more rest, breathe fresh air and use medications to improve the symptoms, such as oral blood and brain-clearing granules, Zhengtian pill and Danzhen headache capsule, and also acupuncture to relieve the headache. 2. If you feel wind and cold after swimming and have a headache due to upper respiratory tract infection, you can take medications to disperse wind and cold and relieve headache, such as Du Liang Drops and Chuan Xiong Cha Tiao San. If it is accompanied by muscle pain, fever and other symptoms, you can take oral acetaminophen to relieve fever and analgesia.