As you can see, the TID abbreviation is pretty straightforward. It simply means that you should take the medication three times a day. Conclusion: The next time you see“TID” on a prescription, you’ll know that it means you must take the medication thrice daily. Most often, this will ...
daily every day, daily (Latin, quaque die) [Do Not Use: q.d. or qd] bid twice a day (0900, 1700) tid three times a day (0900, 1300, 1700) qid four times a day (0900, 1300, 1700, 2100) qh every hour at bedtime hour of sleep (Latin, hora somni) ...