Xiao Su Ganmao Capsule is a combination of many drugs. Paracetamol contained in it has antipyretic and analgesic effects. Although it is less toxic to liver and kidney, people with allergies will cause granulocytopenia. People with renal insufficiency take it, which will lead to nephritis and uremia. Therefore, you should be careful when using this medicine. When dermatitis, numbness of hands and feet, purple lips and purple fingers appear after taking the medicine, you should stop taking the medicine immediately. If you have symptoms such as backache, increased urination at night, even edema and dizziness due to long-term use or large dosage, you should go to the hospital immediately. Because chlorpheniramine is contained in the drug, it will cause drowsiness, dizziness, dizziness and other adverse reactions after taking it, which will affect people's analytical judgment ability, so it is forbidden to engage in aerial work, manipulate machines and drivers. In addition, patients with hypertension and heart disease should use it with caution, and the elderly and children should not use it.