I have been on the depo for about 2 years. I then came off and got on Nexplanon (had bad cramping, nausea and headache's) . For those 2 years (on depo) I had extreme amounts of on going and dark or reddish discharge and a foul smell. I though it was because of my eating habits and tight clothes wearing so I cut it all out, which was the same time I changed my B.C. once i was on the nexplanon i no longer had that issue. I'm now back on the depo and have the same problem. I went to my gyn and she told me I had no yeast infection and that everything looked fine. So is it the depo that's creating this smell ?! Or could it be some kind of bacteria infectio ?! I only use soap and water to wash.