What Are Oflin 400with Pantocid 20 And Satrogyl 300 Given For?

i m 26 yrs old. i have consulted dr. becoz i had a severe pain in my stomach..after all tests he told me i have mild free fluid in pelvic cavity.i was admitted in hospital..now my pain is ok..dr has suggested me to take 3 tablet oflin 400,pantocid 20,&satrogyl 300. i want to know these tablets r for what & is this fluid reoccur in future