A few links to help you, if you haven't already found them:
http://www.mayoclinic.com/health/collagenous-colitis/DS00824
http://www.medicinenet.com/lymphocytic_colitis/article.htm
http://digestive.niddk.nih.gov/ddiseases/pubs/collagenouscolitis/
It is best to stay away from NSAIDs such as: ibuprofen, naproxen, aspirin.
A trip to the nutritionist is a good idea. Make sure that even if you are not hungry, that you are getting appropriate calories - they are very important to help your body heal.
Have a great vacation! (Pack some Immodium just in case - we don't advocate using it often, but it's good to have along if you should need it on vacation.)
Pan-colitis and GERD diagnosed May 2003
Osteopenia (hip and spine) diagnosed Feb 2006
Status: close to remission?!?!?
25mg Pred, Asacol 12 per day, Azathioprine 100mg, Aciphex, Forvia, and Pro-Bio
1st Remicade infusion: 06/17/08