I have been on Cellcept for 5 months for multiple sclerosis. I developed generalized joint pain, lower back pain, and now have a low RBC count. Before taking mycophenolate: Tell your doctor and pharmacist if you are allergic to mycophenolate, mycophenolic acid, or any other medications. Tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements and herbal products you are taking. Detailed drug Information for Cellcept. Includes common brand names, drug descriptions, warnings, side effects and dosing information. CellCept (mycophenolate mofetil) is an immunosuppressive agent used to prevent your body from rejecting a kidney, liver, or heart transplant. CellCept is usually given with cyclosporine (Sandimmune, Neoral) and a steroid medication. Learn about the potential side effects of CellCept (mycophenolate mofetil). Includes common and rare side effects information for consumers and healthcare professionals. Summary. Joint pain is found among people who take Cellcept, especially for people who are female, 60+ old , have been taking the drug for 1 month, also take medication Prednisone, and have Rheumatoid arthritis. Im on cellcept and it has helped my joint pain tremendously, but i just have no energy since the flare began and as of 2 weeks ago ive been having stomach issues. The information reflected here is dependent upon the correct functioning of our algorithm. From time-to-time, our system might experience bugs or glitches that affect the accuracy or correct application of mathematical algorithms. Hey Everyone!!! Once again I developed a sinus infection that wouldnt go away so I went to the doc and they put me on antibiotics and decreased my cellcept to 500 mg. Find information about common, infrequent and rare side effects of Cellcept Oral.