Ceftriaxone is widely used as an antibiotic to treat a variety of bacterial infections. It is effective against infections such as pneumonia, meningitis, and gonorrhea. In hospitals, it is commonly administered to prevent infections after surgeries. It is also used to treat Lyme disease and infections in the bones, joints, and abdomen. Additionally, Ceftriaxone is often given to patients with compromised immune systems to prevent bacterial infections. Its broad-spectrum activity makes it a versatile choice for treating both community-acquired and hospital-acquired infections.