I'm fairly certain it can be taken twice a day, I know someone who takes it that way.
However, we are NOT doctors, and this is the kind of question you should ask your OWN treating Dr. Your Dr may have specific reasons to prescribe the way s/he did - like interactions with your other meds, things specific to your particular circumstances, etc.
Lynnwood, Lupus & Sjogren's ModeratorDIAGNOSING LUPUS & LUPUS RESOURCES
"Life is far too important to be taken seriously" - Oscar Wilde