Mucous strands in stool

http://curezone.com/upload/_C_Forums/Candida/IMG_20150424_1247432.jpg

This was in my stool this morning, it has been going on for years now. I've been tested for parasite's and have been cleared, as well as Lyme's Disease. I suffer from constipation, abdominal pains, fatigue, muscle and joint pains. Diagnosed with fibromyalgia, IBS, endometriosis, occasional yeast infections.
Can you please help me?
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