Give the Imuran a little more time...maybe you could take Bella's suggestion. It took about 4 months for mine to kick in good. Pentasa didn't help me a bit and actually made me sicker.
Dx'd Jan'06, 1st Resection 7/06, Predinsone, Humira, Imuran, B12 injections, Nexium. Secondary conditions: Psorasis, Acne, Fatigue, Joint Pain, Lactose Intolerant, gallstones, fibroid cysts, peri-menopausal.