You'll probably start to notice changes from age 10 upwards, but there's no right or wrong time to start. Some people go through puberty later than others. This is normal. If you have no signs of puberty by the age of 16, see a doctor for a check-up.
The probiotic strain Lactobacillus is used to treat BV and other bacterial genitourinary infections. It works by restoring a healthy microflora balance to the urogenital tract and preventing the spread of pathogenic bacteria. There are a number of different probiotic products available to address BV symptoms.
A mix of probiotics (Saccharomyces boulardii and a mixture of L. acidophilus and Bifidobacterium bifidum) helped treat traveler's diarrhea in preliminary studies. Probiotics, especially Lactobacillus GG, may help prevent or treat infectious diarrhea in children and adults, although the evidence is mixed.