How to effectively prevent the occurrence of drug rash? 1, for the disease to have a correct understanding of the treatment should have a scientific attitude, can not be rushed. Especially for some chronic and prolonged diseases do not blindly pursue the so-called “secret recipe” for a “quick cure”. 2, the treatment of disease should choose the standard medical institutions, do not listen to some medical advertising and so-called “patient” advocate, and go astray. 3, before using the drug must look at the drug manufacturer and the relevant approval number, for the “three no products” and unknown ingredients of the drug to be used with caution or not. 4, once the process of adverse reactions, to immediately stop the drug, and as soon as possible to the hospital, so as not to delay the disease. Do not listen to the false rumors that the disease can be “cured” by using drugs to “table” it. 5, once allergic to the drug must be kept in mind to avoid re-application, etc..