Lincomycin injection can have gastrointestinal reactions, allergic reactions, hematologic side effects. 1. Gastrointestinal reaction: Lincomycin Injection can cause gastrointestinal adverse reactions such as nausea and vomiting, abdominal distension, loss of appetite, and in severe cases, severe diarrhea and abdominal colic. 2. Allergic reaction: Lincomycin injection can cause skin allergic reaction, such as rash, itching, skin redness and swelling and other adverse reactions. 3. Hematologic system: Lincomycin injection can cause a decrease in platelets, neutrophils, eosinophils, etc. These symptoms are transient and can be gradually recovered after stopping the drug. To summarize, when using lincomycin injection, it must be used under the guidance of a doctor, do not use it without authorization.