My daughter was infected with cryptosporiduim(sp) from a water park when she was 9. She is now 18 and has been having stomach issues for quite some time, now thinking about it , ever since. She has tried giving up dairy, gluten, eating more fiber, everything the doctor has asked her to try. Is it possible it is a result from her being infected when she was 9 years old? She has a another Dr. appt. this week to discuss this.