Metronidazole Tablets are indicated for periodontitis caused by anaerobic bacteria, 200mg size, one tablet three times a day. Metronidazole tablets exert antimicrobial action against most specialized anaerobic bacteria and can be used for periodontitis due to infection by anaerobic bacteria, such as Clostridium spp. Consider also amoxicillin dispersible tablets and artificial oxalic metronidazole tablets, among others. Adverse reactions such as nausea, vomiting, and loss of appetite may occur with metronidazole tablets and are usually relieved by discontinuation of the drug. The use of this drug is prohibited for people with active central nervous system disorders and blood disorders, pregnant women and lactating women. Alcohol should be prohibited during the use of the drug, while the metabolites of this drug can make the urine dark red, usually after discontinuation of the drug will be restored. The above drugs are for reference only, the specific dosage and usage should follow the doctor’s instructions. Periodontitis should be treated promptly and not blindly.