Lenampicillin hydrochloride is widely used in the treatment of bacterial infections due to its broad-spectrum antibacterial activity. It is particularly effective against respiratory tract infections, urinary tract infections, and skin infections caused by susceptible bacteria. The compound is often prescribed for its improved absorption and bioavailability compared to other penicillin derivatives, making it a reliable choice for oral administration. Additionally, it is utilized in cases where patients require a convenient dosing regimen, as it allows for less frequent administration while maintaining therapeutic efficacy. Its use is also seen in treating infections in pediatric and adult populations, providing a versatile option in clinical practice.