Ceftriaxone 1000 mg (1 gm). Some variations, like

It is prescribed for various severe bacterial infections, including those affecting the brain (meningitis), lungs (pneumonia), urinary tract, skin and soft tissues, bones and joints, blood (septicemia), and heart. It may also be used to prevent infections during surgery.

The injection is administered by a doctor or nurse, either directly into a vein (intravenously) or into a muscle (intramuscularly). The dosage and duration depend on the type and severity of the infection.

Ceftriaxone works by preventing the bacteria from forming their protective cell wall, which is essential for their survival, thereby killing the bacteria.