Can probiotics cause fatigue?

Not usually. Not usually, but if they are pushing out other pathogenic (bad) bugs, or if there is a strain (sometimes strep) that is triggering your immune system, they may. .
FATIGUE EVAL. PROBIOTICS UNLIKELY TO CAUSE FATIGUE. You need full EXAM AND labs. CBC/CMP/B12/FOLATE /TFTS/VITD/CRP//SED RATE//IRON STUDIES/LYME TITERS. Start a. Gluten free diet And high potency vitamins. Then review results if no firm diagnosis is made, a sleep study may be necessary many subtle sleep disorders cause Fatigue.