Metronidazole is a derivative of nitroimidazole and should not be taken if you have active central nervous system disease or hemophilia.
1. Active central nervous system disease: headache, movement disorders or other central nervous system symptoms may occur during the administration of metronidazole, and may be aggravated by the administration of the drug if you have an active central nervous system disease.
2. Hemophilia: metronidazole side effects of which is leukopenia, hemophiliacs are contraindications to take metronidazole.
Metronidazole has an irritating effect on the gastric mucosa, gastric ulcer patients taking metronidazole is recommended to take after meals. In addition, some of the nitroimidazole drugs have a history of allergy, the first three pregnant and lactating women are recommended not to take metronidazole, so as not to cause adverse results. If you need to use, you need to standardize the use under the guidance of a doctor.