Metronidazole Gargle is generally not used by pregnant women to avoid affecting the growth and development of the fetus. The main ingredient of Metronidazole Gargle is Metronidazole, which belongs to a kind of anti-anaerobic drugs and can be used to treat gingivitis, periodontitis and other diseases. When pregnant women inadvertently use metronidazole gargle, due to metronidazole can pass the blood-brain barrier, the placental barrier, and thus enter the fetal body, may have a certain impact on the growth and development of the fetus, and in severe cases, may cause fetal development malformation. Pregnant women should avoid using metronidazole gargle to avoid adverse effects on the fetus. During the use of Metronidazole Gargle, symptoms such as change in taste, nausea and vomiting may occur, which may disappear on their own after stopping the drug. The use of drugs for pregnant women needs to be strictly managed to avoid the use of metronidazole drugs, and before using the drug, you need to combine with their own situation and ask the doctor’s guidance.