what that means, but i think mine is less than yours. i was pretty regular until 6 months ago and i screwed with my system with so much self diagnosing that things are crazy now.
at any rate sure, it could definitely be the infection and anitbiotics. dhea does work for some people, there are a few legit reports, but you should be careful with it because it is a hormonal steroid.
take heart, you'll probably get everything normalised soon.