It is a venomodulators. Usual dose is 1000mg BD for 2 weeks followed by 500mg BD for next 2 week and then OD for 2 weeks.

For a 55-year-old male with bleeding piles (hemorrhoids), the usual dosage of Daflon 1000 mg during an acute episode is: First 4 days: 1 tablet three times daily, preferably with meals. Next 3 days: 1 tablet twice daily. Thereafter: 1 tablet once daily, if advised by your treating doctor. This medication helps reduce hemorrhoidal symptoms, including bleeding and inflammation. Additionally, increase dietary fibre and water intake, avoid straining during defecation, and prevent constipation. Important: Since you are 55 years old and experiencing rectal bleeding, I recommend a clinical examination and appropriate colorectal evaluation, including colonoscopy if not previously performed. Rectal bleeding should not automatically be attributed to piles, even if episodes occur years apart. If bleeding is heavy, persistent, or associated with dizziness or weakness, seek urgent medical attention.

It varies from person to person , generally it is taken morning and night for 7 days