Hi
My daughter got pancreatitis from mesalazine. The test you need to diagnose this is a raised blood Amylase level.
Pancreatitis started as a dull ache just below the ribs from the middle towards her left side which would start shortly after eating but would then go away after an hour or so.
The pain became stronger and lasted longer over a few days and she lost her appetite. Then she developed nausia that came on really quickly - fine one minute then really grey and nausious at the thought/smell/touch of food in her mouth.
If you get drug induced pancreatitis the treatment is to stop taking the drug and then have pain control medication possibly with a special diet or drip feeding to support you while your pancreas recovers.
It is important to get diagnosed quickly. People can have chronic pancreatitis for many reasons - but drug related pancreatitic can be acute and life threatening.
Wishing you well
Sue