Cholesterol problem?

Dear Friend, i have Cholesterol problem because of my food style, no way to avoid oil and fat food. When i visit Doctor he advice me to avoid junk food and oil foods, and he gave to me medicine after check up my ECG and Cholesterol report.

my Question is when i take that medicine continuously 7 times per month in 7 days my cholesterol come to normal, remaining 23 days I am not taking medicine. Next month when I go to cholesterol check up,if increases I take medicine again like this. If cholesterol normal I am not taking medicine.

I am taking medicine depends upon my cholesterol level. Not daily basis. If I take drug like this is any other problem will come or can I continue taking medicine like this, please advice to me

i cannot ask this question from my doctor beacuse i am living in other country i donot have his number.