Ceftriaxone injection should be mixed with other medicines only under strict medical guidance, as some drug interactions can be harmful. For example, it should never be mixed with calcium-containing solutions like Ringer's or Hartmann’s due to the risk of fatal precipitation. Compatibility depends on the drug, dosage, and administration method. Healthcare professionals should always consult compatibility charts or official guidelines before mixing. If you're looking for a reliable ceftriaxone injection supplier, ensure they provide detailed usage instructions and compatibility data. Safe administration is critical to effective treatment and patient safety, especially when using injectable antibiotics like ceftriaxone.