Intramuscular: 5 million unit vial: Add 8.2 mL SWFI or NS for a final concentration of 500,000 units/mL; add 3.2 mL for a final concentration of 1,000,000 units/mL. Dilute further, up to 100,000 units/mL, for less discomfort. If larger doses are needed, consider IV infusion. How do you prepare benzylpenicillinRead More →