• 6 mgkgdose IV every 24 hours for 2 to 6 weeks is the FDAapproved dosage. Doses of 8 to 10 mgkgdose IV every 24 hours may be warranted for MRSA. including CIPRO IV, are associated with an increased risk of tendinitis and tendon rupture in all ages. This risk is further increased. The term cellulitis is commonly used to indicate a nonnecrotizing inflammation of the skin and subcutaneous tissues, a process usually related to acute. The major route of elimination of metronidazole and its metabolites is via the urine (60 to 80 of the dose), with fecal excretion accounting. 250 mg IM as a single dose plus azithromycin 1 g PO as a single dose. Ceftriaxone 250 mg IM as a single dose plus azithromycin 2 g PO as a single dose should be used. Flagyl (metronidazole) is an antibiotic prescribed to treat various parasitic and bacterial infections (Giardia, C. Medscape Indicationspecific dosing for Chloramphenicol IV, Chloromycetin (chloramphenicol), frequencybased adverse effects, comprehensive interactions. Medscape Amebiasisspecific dosing for Flagyl, Flagyl ER (metronidazole), frequencybased adverse effects, comprehensive interactions, contraindications, pregnancy. Detailed Metronidazole dosage information for adults and children. Includes dosages for Bacterial Infection, Skin or Soft Tissue Infection, Bacterial Vaginosis and. Metronidazole is used to treat a certain type of vaginal infection (bacterial vaginosis) in women who are not pregnant. Learn about side effects, drug interactions. Metronidazole official prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions, pharmacology and more..