I am taking 20 mg doses 3x daily. I am eating small meals breakfast,lunch, etc. When I start to come down, especially in evening, I feel sick and totally drained. If I take another dose I'm fine, but once again when the effects wear off I'm back to the same feeling. Is there anything I can do to prevent this? Makes my evenings terrible. This meds work great for me across the board. Just the crash after last dose. Os there anything I can do to ease this or prevent?

Thanks for any response.