boys can get thrush i know, my nephew got it after he was born...
roadtrip, the way it was explained to me: bacterial overgrowth in the small intestine is the bacteria that normally die off naturally through the colon actually found its way into the small intestine and hung out. the only way to get rid of it is through antibiotics and then to replenish your good bacteria.
my symptoms were the following (but i am not sure what is ibs, and what is the overgrowth) lots of loose stools, undigested food in them, explosive diarrhea, cramping (stabbing pains, like i ate knives), i also had blood in my poops a lot (over a month straight--but i had a polyp), then i got "pins and needles" pains in my arms and legs (which i take the B-complex for), fatigue, i also had anemia. i would have the poops up to 15 times a day (nothing compared to sarita!) but it was painful and prevented me from working...
i had a lactulose breath test. i fasted for 12 hours and then had a "breathalyzer" type thing administered every 15 minutes for about 2 hours. they measure the methane and hydrogen the bacteria are releasing when they 'eat' the sugary lactulose. afterwards i had diarrhea and cramping. my results were literally off the chart and it was determined i had an overgrowth. my doctor (who was a jerkface) 'forgot' to tell me the result, so i had some delay in my treatment (apparently, this is a relatively new test and the medication, Xifaxan, i had is doing a study right now to see if IBS is related to overgrowth and people are actually being misdiagnosed... so i actually suggest that you ask about getting the test (mine was $167, but covered by insurance). the drug though is normally given to those with e-coli or travlers diarrhea for 3 days, so there was some insurance talk and explanation to allow me to take it for two weeks. but with the exeption of strange stools associated with my period (which you being a male might not be aware of...) my stools have been formed and light brown AND the urgency is controlled--it is hard to get used to. but i was having bloody/black mush that looked like food--so it is a big change.
i suggest anyone getting the test if at all possible.
hope my rambling helped! i hope you find relief!!!
***since all this i have started farting more, i used to just belch, now i do both--my husband says it is because now my body is acting normal and i am just not used to it!!!!
what would you attempt to do if you knew you could not fail?