I have never heard of this but it doesn't sound pleasant at all! I'm sorry you are having to suffer with this. I have similar symptoms that come and go but I think mine are medication related.
I'm sorry I am not much help but hopefully someone will come along soon and be able to help you.
Moderator-Allergies/Asthma and Alzheimer's, Co-moderator-UC
Diagnosed Left sided UC in '92 - meds: 6mp, Colazal, Remicade and Bentyl*Unable to tolerate ALL mesalamines*, in '11 diagnosed with IBS, Diverticulosis, Fibromylagia..I also have Sacroiilitis, Scoliosis, Raynauds, OA, PA, Rosacea, Psoriasis, Dry Eye and allergies controlled by Zyrtec and Singular