Health degradation after taking i pill.

One of my friend who is almost18yrs had physical relation with his friend. Though she was not sure about inside ejaculation she took i pill for safety. After2days of taking i pill she had period but it was sand like liquid which is rough. From then she had period it was alwys sand type liquid and her period last for 30days almst or moreand she had strng stmach pain. It continues and she had never again bleeding like befre after that.Then suddenly aftr almst 5mnth she suffred from strng stmach pain and went to toilet for discharge solidwaste (like dysentry but not)for more than100times in the day till night and dischrge was like white color soap's foam type which she never had before with strong stmach pain and that she went to doctor. She had ultrasound and it hd no signof prgnancy and dctr asked her about taking ipill and she said no. Dctr prescribed her with medicine , after taking medicine she evry day wake up at 4am mrning and had watered vomiting and became very weak too walk.