11.   One of the most frequent reasons for missing a dose was that a patient had slept through it during the night.

12.   Side effects and complex dosing schedules can cause some patients to miss doses, which in turn can lead to drug resistance.

13.   Some have missed doses or eaten too soon before or after taking the pills.

14.   The key is to do it right, by starting with the right drugs and not missing doses.

15.   The problem is exacerbated when patients find drug therapies difficult to follow and miss doses.

16.   Twice this month, she said, traffic congestion caused her to arrive minutes late and miss her dose.

17.   What if I miss a dose?

18.   Also worrisome is the chance a child will get the wrong medicine or miss doses completely.

19.   But Bradley has not missed any doses since then, spokeswoman Anita Dunn said Friday, adding that there have been no recent changes in his treatment.

20.   Even missing a few doses can ruin the treatment.