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")
Three Times A Day
tid means three times a day.
Three times daily.
three times a day
"Tid" means take 3 times daily, "prn" means as needed. So tid prn means "Take three times daily as needed."
tid prn means three times daily as directed
t=tablet po=by mouthtid =three times per day prn=as needed. So for example if you had a prescription that read "tormoxin 250mg t po tid prn" it can be interpreted to mean tormoxin 250mg tablets by mouth three times per day as needed.
TID means three times a day.
"TID" stands for "three times daily."
TID - three times a day PO - by mouth
Sig is short for signa. Signa is the name for the directions on a prescription for taking a medication.WHEN A DOCTOR WRITES OUT A prescription, there are a certain number of things that have to appear on a prescription for it to be valid: NAME OF PATIENT, TYPE OF MEDICATION, DOSE OF MEDICATION, ROUTE OF MEDICATION, DURATION OF TREATMENT or QUANTITY OF MEDICATION and the DOCTORS SIGNATURE, AND DATE. SOME DOCTORS use the term "SIG." WHICH MEANS "these are my directions" (for use of the medication.) For instance: the prescription may read: "Xanax .25mg. tabs." "sig: 1 tab TID (three times a day) PO (by mouth) for 30 days. Disp. (dispense) #90" Sig. is what directions the doctor wants the pharmacist to write on the label. Not ALL doctors use "sig."
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.
TID means 3 times a day.
t.i.d. means three times a day. It is an abbreviation for the Latin phrase "ter in die," which means "three times a day." Also abbreviated as tid (without periods) and TID (all upper case). Other medication prescription terms include: q.d. (qd or QD) - once a day; abbreviated from the Latin phrase "quaque die," which means "once a day." b.i.d (bid or BID) - two times a day; abbreviated from the Latin phrase "bis in die," which means "twice a 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".
Typically DF is not written on a prescription to tell you how often to take a tablet. It is normally written qd, bid, and tid (once, twice, three times a day).
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".