Tracking my efforts to beat Myalgic Encephalomyelitis (ME), aka CFIDS, aka CFS

Tracking my efforts to beat Myalgic Encephalomyelitis (ME), aka CFIDS, aka CFS

Sunday, January 7, 2018

More on SIBO

When I last posted about SIBO in December, I had been told verbally by my doctor's office that the SIBO test came back positive, but I didn't yet have the results. I was, at that time, slightly concerned that the test could be a false positive.

Now I've received the written results and I am less concerned with the possibility of a false positive.  I feel fairly certain that I do have SIBO.

SIBO breath tests look for increases in either methane or hydrogen after drinking a specified amount of glucose or lactulose.  While my results showed a slight increase in methane, they showed a very great increase in hydrogen.  One common SIBO test interpretation states that "a rise in hydrogen of more than 20 ppm after 90 minutes should be considered as diagnostic of SIBO."  In me, the hydrogen rose more than 80 ppm within 90 minutes, four times more than the minimum for a SIBO diagnosis.

Dr. M prescribed rifaximin, the most commonly prescribed antibiotic to treat SIBO.  When I arrived at the pharmacy, the pharmacist advised that my insurance doesn't cover rifaximin.  Paying for it on my own is not an option.  My plan now is to re-visit my doctor later this month (mid-January) and work with her to (hopefully) obtain insurance pre-authorization for rifaximin.

In the mean time, I have switched my diet to a common SIBO diet known as the low-FODMAP diet.  So far, this diet has helped with symptom control, but has not eliminated symptoms.   The bloating and discomfort I was previously having has been mostly gone since about day 3 of the diet.  However, I only switched to the low FODMAPS diet about 2 weeks ago, so it is possible this could be just another break in the symptoms (which I would get sometimes even before I changed my diet.)

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