Ethacridine lactate monohydrate is widely used in medical applications, particularly as an antiseptic and disinfectant. It is effective in treating wounds, burns, and ulcers by preventing bacterial infections and promoting healing. The compound is also utilized in gynecology for its antiseptic properties, often applied in solutions for vaginal infections or as a preoperative disinfectant. Additionally, it is employed in surgical procedures to clean and disinfect tissues. Its ability to inhibit bacterial growth makes it a valuable component in various topical formulations for skin and mucous membrane care.