How should I take care of my stitches after a vaginal delivery?

Vaginal stitches usually heal between 7 and 15 days. You can try sitz bath (sitting in a tub filled with water and disinfectant-betadine) two times a day, or try sitting on inflatable ring (it won't add pressure to perineal stitches), or try hot and cold fermentation, use warm water to clean the vulval area, do some kegel exercises (increases blood flow to the vagina), and finally treat the vaginal area with care (don't rub it vigorously and avoid tight underwear).