That is so great that you are MAC free after 14 months! I have been on the Big 3 for 1 month and tolerating it well (I know it is still early) but did you experience any negative effects? Also, do you have any tips for minimizing my exposure to NTM? I of course am doing all the usual precautions and I just sent in a sample to test my tap water. It is hard to find something to drink when I go to a restaurant because I can't drink their water or have their ice cubes. Any suggestions since you are so far ahead of me in this fight.