You shouldn't have to suffer unneeded GI effects and not get adequate pain relief.
As an alternative, couldn't you just ask your doctor for a larger quantity of the smaller dosage IR tablets? Just a thought off the top of my head. That would work in the meantime until the pharmaceutical company gets enough complaints.
Tricomb already closed a thread discussing this. Unless he changed his mind, please don't create duplicate threads after you were told why it was closed in the first place