The side effect profile is the same for both drugs. Unless you are getting pancreatitis, then your symptoms should improve as your body acclimates to the drug. Two weeks may not be long enouh for this. If you are taking it in the morning, try taking it at bedtime instead. Also, be sure your doctor is informed of your side effects. You may need blood tests sooner than planned.
Check this link for more info:
https://www.med.unc.edu/gi/spe...tis/IMURAN%206MP.pdf
Jan