Hello girls, 26 weeks pregnant. I started cystitis, who had it? They s…

Hello girls, 26 weeks pregnant. I started cystitis, who had it? They say that this is normal for pregnant women, who have treated it? The doctor prescribed an antibiotic and some pills there. Today is the first day, I'm taking them, we'll see the result. And one more question, does this not harm the baby at all?