My dr put me on 150mg Wellbutrin once in the morning for a week then twice a day after that.I haven't started the twice a day even though it's been over a month since I've started the Wellbutrin. I take a lot of meds so it is hard to find time to take even one more. My question is when should I take the second dose? It is Wellbutrin SR so do I wait 12 hours in between or what?