If your symptoms do not improve within a few days, or if they become worse, check with your doctor.
Hemolytic anemia may occur while you are using this medicine. Stop using this medicine and check with your doctor right away if you have back, leg, or stomach pains; bleeding gums; chills; dark urine; difficulty with breathing; fever; general body swelling; headache; loss of appetite; nausea or vomiting; nosebleeds; pale skin; sore throat; unusual tiredness or weakness; or yellowing of the eyes or skin.
Cefotetan injection may cause diarrhea, and in some cases it can be severe. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. If you have any questions about this or if mild diarrhea continues or gets worse, check with your doctor.
Do not drink alcohol while you are receiving cefotetan injection and for 3 days (72 hours) after your last dose. Drinking alcohol during this period may cause flushing; headache; sweating; and fast, pounding, or irregular heartbeat.
Before you have any medical tests, tell the medical doctor in charge that you are receiving this medicine. The results of some tests may be affected by this medicine.