TID means three times a day.
"TID" stands for "three times daily."
TID - three times a day PO - by mouth
TID means 3 times a day.
TID is three times per day. At .25mg tid that's .75mg total for the day.
The term "PO TID" on a doctor's prescription or order would mean: "by mouth, three times daily". PO means by mouth. This medical abbreviation, which is also written as: p.o. or po (lower case), comes from the Latin phrase "per os". The term TID means three times daily, or three times per daily. This medical abbreviation, which is also written as: t.i.d. or tid (lower case), comes from the later phrase "ter in die".
Ter In Diem: that is, "three times a day".
What is tid?
TID stands for three times a day so it would be recommended to space them 8 hours apart if possible.
If it's anything medical, then SL means sublingual(under the tongue) and TID means three times. So a patient would take their medication under the tongue three times a day.
TID is Latin for three times per day. It is used on prescriptions by doctors - in order to indicate how many times per day a medication should be taken.
It comes from the Latin phrase, "ter in die" meaning "three times per day." For example if your prescription was written as: Amoxicillin 250mg 1 cap po tid x 10 days (usually in almost illegible handwriting!) This would mean you are to take one Amoxicillin 250mg capsule by mouth three times daily for 10 days. ("po" is another Latin phrase, "per os" or "by mouth")