took an anti diarrhea medicine and got a severe stomach cramp

 Have not got my period three days until I do but I took a anti-diarrheal because I had diarrhea and have severe stomach pain also the other day I noticed my boobs had breast milk ... i massaged them and milk came out !! Husband ejaculated in me on one of my ovulation day !!! Help
I have sore boobs and bloated any ideas I can be pregnant 💡