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 is three times per day. At .25mg tid that's .75mg total for the day.
The medical term for "2 puffs prn" typically refers to the dosage and frequency of a medication administration. In this case, it means the patient is instructed to take 2 puffs of the medication as needed.
It means 1 to 2 tablets, pills, whatever you are referring to....by mouth...up to three times a day, as needed.
It means 1 to 2 tablets, pills, whatever you are referring to....by mouth...up to three times a day, as needed.
PRN means - As Needed
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")
In computer talk, PRN means 'Printer'.
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".
Is it "prd" or "PRN"? PRN means "as needed".
Q4h prn stands for every 4 hours, as needed.