Cefminox sodium injection allergic reaction, whether you can change to take Cefdinir, mainly combined with the condition of the comprehensive judgment. If the allergic reaction is severe, try to avoid taking drugs like Cefdinir; if the allergic reaction is mild, you can take Cefdinir orally to control the inflammation. 1. Severe allergic reaction: after the injection of cefminox sodium, the emergence of generalized multiple rashes, nausea and vomiting, as well as gastrointestinal function abnormalities, indicating that the allergic reaction to cephalosporin drugs is serious, should also try to avoid oral cefdinir. 2. Mild allergic reaction: the corresponding condition belongs to unexplained allergic reaction, further oral cefdinir is possible, most of them will not have obvious effect, but still need to closely observe their own state. Once there are obvious gastrointestinal reactions, liver function abnormalities, and generalized skin rash during the treatment period, it is necessary to consult the doctor in time and carry out standardized treatment after diagnosis of the disease, so as to avoid the delay of the disease.