Both Flagyl and Fasigyn are used to treat bacterial and parasitic infections, but they belong to two different drug groups and have different spectrums of activity against specific microorganisms. Understanding the differences between them helps determine the most appropriate drug for a specific type of infection.
Flagyl Tablets Ingredients
Flagyl tablets contain the active ingredient metronidazole. Metronidazole is an antibiotic and antiprotozoal that works by inhibiting DNA synthesis in susceptible bacterial cells and parasites, resulting in their death. It has broad activity against many anaerobic bacteria and protozoa, such as amoebas, giardia, and trichomonas.
Fasigyn Tablets Ingredients
Fasigyn tablets contain the active ingredient tinidazole. Tinidazole belongs to the same class of metronidazole (nitroimidazole derivatives) and has a similar mechanism of action. It is also an antibiotic and antiprotozoal effective against anaerobic bacteria and protozoa, and often has a longer half-life than metronidazole.
Flagyl Tablets Information
Drug Category: Antibiotics and Antiprotozoals
Drug Classification: Nitroimidazole Derivatives
Pharmaceutical Form: Tablets
Pharmaceutical Family: Antimicrobials
Active Ingredient: Metronidazole
Information about Fasigyn Tablets
Drug Category: Antibiotics and Antiprotozoals
Drug Classification: Nitroimidazole Derivatives
Pharmaceutical Form: Tablets
Pharmaceutical Family: Antimicrobials
Active Ingredient: Tinidazole
Scientific Degree: Pharmacist
Country: Egypt
Dr. Rawan Mosaad El-Saeed is a clinical pharmacist and medical content reviewer holding a Bachelor of Pharmacy degree from Horus University in Egypt. She has hands-on community pharmacy experience in providing medication therapy counseling, monitoring drug-drug interactions, and ensuring patient adherence to safe usage protocols. She specializes in authoring and fact-checking pharmaceutical guides and simplifying clinical pharmacology based on the latest evidence-based guidelines and internationally accredited references, dedicated to delivering accurate, reliable, and safe healthcare information for readers.
Published Date: 16 April 2025
Source 1 :
Drugs Metronidazole
Source 2 :
Drugs Tinidazole
you should ask your doctor before taking this medicine