Now, physicians must write out the words, once a day, twice a day and so on. They are directions indicating how many times per day the dose should be administered. It goes like this: SID or QD = Once a day. BID = Twice a day. TID = Three times a day. QID = Four times a day.
Professional courtesy means making no charge to anyone, patient or insurance, for medical care. There are no special exceptions in the law that allow professional courtesy to physicians in situations where the same courtesy could not be extended to all patients.ntroduction. Professional courtesy  taking care of the families of other physicians without charge  is a tradition that dates back to Hippocrates. The practice served to build bonds between physicians, and to reduce the incentive for physicians to treat their own families.
I was initially skeptical regarding the notion of courtesy stigma as a key health determinant of occupational health for care workers serving stigmatized populations, as in my experience, providing support services to stigmatized populations was primarily considered a laudable, albeit modestly rewarded, form of work.