For anaerobic infections caused by pelvic inflammatory disease, you can use metronidazole tablets for treatment under the guidance of a physician, generally need to take 0.6-1.2g orally every day, divided into 3 times, the specific use of medication need to comply with medical advice. Metronidazole tablets for anti-anaerobic drugs, anti-trichomonas drugs, its main ingredient is metronidazole, can be used for the treatment of anaerobic infections caused by pelvic inflammatory disease, according to the instructions for use, generally need to be taken orally 0.6-1.2g per day, divided into 3 times, take 7-10 days for a course of treatment. However, it is a prescription drug, so the specific use should also be based on the patient’s own specific condition and follow the doctor’s instructions. Adverse reactions to metronidazole are most common in the digestive tract, such as nausea, vomiting, loss of appetite, abdominal cramps, etc., but generally do not affect the treatment. In addition, the metabolites of this product can cause the urine to be dark red in color. It should be noted that pregnant women, lactating women and people with active central nervous system disorders and blood diseases, etc. should be prohibited, and alcohol should be abstained from during the use of the drug.