Probiotic yogurt causes a few side effects, such as gas, bloating, or sickness from contaminated yogurt, but they usually subside over time. Pregnant or breastfeeding women should use caution with probiotic yogurt, and those with weakened immune systems from certain illnesses, such as AIDS, shouldn't eat large quantities, states WebMD.
Probiotics are naturally occurring bacteria similar in composition to the bacteria and yeast found in the body, especially within the digestive tract. Foods such as yogurt, miso and sauerkraut and some drinks contain probiotics. Yogurt with probiotics balances digestive bacterial levels and boosts the immune system, according to WebMD.
Lowering harmful bacterial and boosting beneficial bacteria possibly treats vaginal yeast infections and bacterial infections and controls high cholesterol, and it may help in treating lactose intolerance. Research has shown that ingesting probiotic yogurt aids in treating irritable bowel syndrome, diarrhea, colitis and eczema, explains WebMD.
Eating probiotic yogurt may not be effective for treating diarrhea in malnourished children and asthma. There is insufficient evidence to support claims that probiotic yogurt is an effective treatment for bacterial vaginosis, peptic ulcers, sunburn, urinary tract infections and other conditions, Early evidence supports using probiotic yogurt inside the vagina for treating certain bacterial vaginal infections, but research does not support using yogurt for treating urinary tract infections, WebMD reports.