On The 50-year-old Woman And I've Had A Partial Hysterectomy.

On the 50-year-old woman and I've had a partial hysterectomy. I've battled bacterial vaginosis for the last 2 years. The anabiotic's clear it up but only while I'm taking them. Then it comes right back but the discharge is now more watery and doesn't have much of the smell but I'm soaking 2 to 3 pads a day. What could be causing this? Hormones? Help!