Gentamicin C1a is primarily used as an antibiotic in the treatment of various bacterial infections. It is effective against a wide range of Gram-negative and some Gram-positive bacteria. This compound is commonly applied in clinical settings to treat serious infections such as sepsis, respiratory tract infections, urinary tract infections, and infections of the skin and soft tissues. It is also utilized in veterinary medicine to combat bacterial infections in animals. Due to its potent antibacterial properties, Gentamicin C1a is often administered via injection or topical application, depending on the nature and severity of the infection. Additionally, it is sometimes used in combination with other antibiotics to enhance its efficacy and reduce the risk of resistance development.