02-02-2009, 12:13 AM
Cystic fibrosis is serious, all I know about it from what I studied at school is that the lungs dont produce a protein so the they fill with mucus that needs to be cleaned out once in a while. Ive never heard anything about blood in the stool, it may be an irrelated disease. If it were my daughter id just take her to the hospital right away. I hope your daughter well. Take care
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