Suggest Remedy For Persistent Foul Smelling Vaginal Bleeding After First Time Sex

hi i had intercourse with my boyfriend a week before and this is my first time.after our sex i spot some blood drops on my bed and i found that it came from my vagina it is still coming from my vagina with some foul smell and dark in colour whenever i pass urine.my period completed 2 weeks before.am very afraid can someone help me