You know I didn't do as well on Pentasa as I am doing on Asacol. If you haven't already tried it, maybe trying it and see how you do on it. Also, maybe Remicade or Humira might help you with your joints too.
Good luck and keep us posted.
Been living with Crohn's Disease for 32 years. Currently on Asacol, Prilosec 60 mg, Estrace, Prinivil, Diltiazem, Percoset prn for pain and Calcium. Resections in 2002 and 2005. Recently diagnosed with Fibromyalgia and doing tests to see if I have Inflammatory Arthritis or AS.