There are many kinds of drugs to reduce swelling in trauma, including antibiotics, topical drugs and drugs to activate blood circulation and resolve blood stasis, as follows: 1. Antibiotics: When a local trauma may be infected, which can cause local swelling, pain, and even redness and exudation, the corresponding antibiotics can be given for treatment. Commonly used drugs are cephalosporin antibiotics, or penicillin antibiotics, or anti-anaerobic drugs, such as metronidazole, ornidazole, tinidazole, etc.; 2, topical drugs: such as iodophor solution or Bactrim, etc., when the infection can use these drugs for anti-inflammatory, swelling can gradually subside; 3, blood circulation drugs: such as safflower oil, Yunnan Baiyao lotion, etc., sometimes Chinese preparations can also achieve better results. Sometimes Chinese herbal preparations can also achieve better results. Since different patients use different medications to reduce swelling, it is necessary to consult with a doctor and not to use medication on your own.