Ampicillin + Sulbactam (Porbact 1.5) 1g/500mg Powder for Injection, IM/IV, Vial 1's is a combination antibiotic used to treat a wide range of bacterial infections, including respiratory, urinary, skin, soft tissue, and intra-abdominal infections. Ampicillin inhibits bacterial cell wall synthesis, while Sulbactam enhances its effectiveness by inhibiting beta-lactamase enzymes produced by resistant bacteria. Administered via intramuscular (IM) or intravenous (IV) injection, with a 10ml sterile water for injection diluent, as directed by a healthcare professional.