The FDA-approved dosage is 50 mg/kg/dose IV/IM every 12 hours for neonates 34 weeks gestation or less and 50 mg/kg/dose IV/IM every 8 hours for neonates more than 34 weeks gestation. For the treatment of meningitis. Each vial of Ampicillin for Injection contains ampicillin sodium equivalent to 250 mg, 500 mg, 1 gram or 2 grams ampicillin. Ampicillin for Injection, USP contains 2.9 milliequivalents of sodium (66 mg of sodium) per 1 gram of drug. For the treatment of gonorrhea in both men and women, a single oral dose of 3.5 grams of ampicillin administered simultaneously with 1 gram of probenecid is recommended. Physicians are cautioned to use no less than the above recommended dosage for the treatment of gonorrhea. Follow-up cultures should be obtained from the original site(s) of infection 7 to 14 days after therapy. In women, it is. Adult: 500 mg 6 hrly, via IM or slow IV inj over 3-5 min or by infusion. Child: 10 yr Half of adult routine dosage. Detailed Ampicillin / Sulbactam dosage information for adults and children. Includes dosages for Bacterial Infection, Sinusitis, Skin or Soft Tissue Infection and more; plus renal, liver and dialysis adjustments. Ampicillin for Injection, USP for IM or IV Injection. Ampicillin sodium equivalent to 125, 250, 500 mg, 1, 2, or 10 grams ampicillin per vial. Ampicillin sodium equivalent to 125, 250, 500 mg, 1, 2, or 10 grams ampicillin per vial. High-risk patients: 2 g IV/IM within 30 min prior to procedure, followed by ampicillin 1 g (or amoxicillin 1 g orally) 6 hr later, must be used in combination with gentamicin Moderate-risk patients: 2 g IV/IM within 30 min prior to procedure Elles procèdent de l'activité antibactérienne et des caractéristiques pharmacocinétiques de l'ampicilline. Elles tiennent compte à la fois des études cliniques auxquelles a donné lieu le médicament et de sa place dans l'éventail des produits antibactériens actuellement disponibles. Ampicillin also comes as an oral suspension and in an intravenous (IV) form, which is only given by a healthcare provider. Why it's used Ampicillin is used to treat infections that are caused by. Detailed Ampicillin dosage information for adults and children. Includes dosages for Bacterial Infection, Urinary Tract Infection, Sinusitis and more; plus renal, liver and dialysis adjustments.