Diosmetinidin chloride is primarily used in pharmaceutical applications due to its strong antioxidant and anti-inflammatory properties. It is commonly formulated in treatments aimed at improving vascular health, particularly for conditions like chronic venous insufficiency and hemorrhoids. The compound helps strengthen capillary walls, reducing permeability and preventing edema. It is also investigated for its potential in managing metabolic disorders, including diabetes, by supporting endothelial function and reducing oxidative stress. Additionally, its anti-allergic effects make it useful in some dermatological and respiratory formulations. Ongoing research explores its role in neuroprotection and cancer prevention due to its ability to modulate cellular signaling pathways involved in apoptosis and inflammation.