Recently. I have been getting a thick white discharge, and a semi foul smell. I always feet yeast infections but I'm not quite sure what it is?

Check it out. Could be several different things, all of which require different treatment. So that you do not waste time with inappropriate treatments you may want to see your doc.
Vaginosis. Most consistent with bacterial vaginosis. It requires Flagyl 7 days. See you doctor for treatment.