That's because every drugs has a certain therapeutic levels to be effective. Your body naturally starts to remove the drugs from the system the moment they enter the blood stream. Certain drugs can be removed quicker than others. So, in order to maintain the level in the blood, a drug has to be replaced at a regular interval to be effective. This interval is determined by the half life of the drug. That's the time it take for the concentration to reduce in half.
Keep in mind that this half life time is the average. In reality, everybody is different. The conditions of your liver, kidneys, as well as, other medications/chemicals/food can alter the half life.
hi there its the same, i.e. bid=q12h tid=q8h qid=q6h
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 However, The Joint Commission which acredits hospitals and nursing homes has recommended that these abbreviations be discontinued because they lead to errors in dosing. Now, physicians must write out the words, "once a day," "twice a day" and so on.
What is tid?
PID is not an abbreviation in common usage for prescriptions. BID means twice daily, TID means three times daily, QID means four times daily, and PRN means "as needed".
2 puffs qid ud means 2 puffs four times daily as needed.
Jaktens tid was created in 2001.
Ny Tid was created in 1975.
TID means three times a day.
"TID" stands for "three times daily."
No. Four times per day is qid. (3x/day is tid; 2x/day is bid; 1x/day is qd.) q4d would mean every four days, I suppose.
Ny Tid - Trondheim - was created in 1899.
Ny Tid - Trondheim - ended in 1947.