Moroxydine hydrochloride is primarily used as an antiviral agent, particularly effective against influenza viruses. It is often employed in the prevention and treatment of influenza infections, helping to reduce the severity and duration of symptoms. The compound works by inhibiting viral replication, making it a valuable tool in managing outbreaks, especially during flu seasons. Additionally, it has been explored for its potential in treating other viral infections, though its use remains more specialized in the context of influenza. Its application is common in both human and veterinary medicine, offering a broad spectrum of antiviral activity.