Protopine is widely used in traditional medicine due to its diverse pharmacological properties. It is commonly applied as an analgesic to alleviate pain and as an anti-inflammatory agent to reduce swelling and inflammation. Additionally, protopine has been utilized for its antispasmodic effects, helping to relax smooth muscles and relieve muscle spasms. It also exhibits antimicrobial activity, making it effective against certain bacterial and fungal infections. In some cases, protopine is used to support cardiovascular health by improving blood circulation and reducing blood pressure. Its potential anticancer properties are also being explored in research, particularly for its ability to inhibit tumor growth. Overall, protopine is a versatile compound with significant therapeutic applications.