help! I just started antibiotics for bronchitis and I am 36.5 weeks gestation. I already take a 30…

help!

I just started antibiotics for bronchitis and I am 36.5 weeks gestation. I already take a 30 billion cultured probiotic but I am deathly afraid of basically evening out the good and bad bacteria. Should I double my dose to 60 billion or maintain my regimen? Thank you!