Ampicillin + Gentamicin + Zinc

The combination of ampicillin and gentamicin is a well-documented synergistic antibiotic therapy, primarily used for treating various bacterial infections such as pediatric sepsis and obstructive pyelonephritis. Ampicillin is a semi-synthetic penicillin derivative that functions as a broad-spectrum antibiotic by inhibiting bacterial cell wall synthesis. Gentamicin is an aminoglycoside antibiotic that inhibits bacterial protein synthesis, primarily effective against gram-negative organisms. The synergistic effect of ampicillin and gentamicin makes them more effective together than individually, leading to high survival rates in pediatric sepsis (96%) and effective sterilization of infected kidneys in obstructive pyelonephritis. While zinc is known for its immune-modulating properties and is sometimes used as a supplement in infectious disease management, its specific combination with ampicillin and gentamicin is not directly mentioned in the provided search results.