6mg qd qd (quaque die) means "every day"
Once a day means to do something or take something once a day, or one time in the day. e.g. I eat breakfast once a day.
QD is the medical abbreviation for every day.
p.o. alt die
It means nothing, due to the fact that we abbreviate the year.
evening
Once per day
no
twice a day
Just once a day. Follow the instructions on the bottle.
I take once a day meloxicom 7.5ml
"Birthday" is commonly abbreviated as "b-day" or "bday."
A day is defined as the time it take a planet to revolve once on it's axis. So it is the time it takes for a planet to "spin" once.