I have just started taking meds for Bronchiectasis-NTM. 3x Ethambutol 400mgs, 2x Rifampicin 300mgs and 1 x Azithromycin 3 days a week.I feel so sick and that was my first day on them, I have been told I will be on them for 18mths, will it get better?? any advice welcome to help with nausea, I need to eat. Thank You.