Usually "per day" is abbreviated as "i.d", which comes from the Latin "in die". If you want to say twice per day, you would abbreviate it as b.i.d. (the b is for bi).
The medical abbreviation for six times per day is q6h, which stands for "every 6 hours." This term is commonly used in medical prescriptions to indicate the frequency of medication dosing.
2 sprays
The medical term meaning once a day is "q.d." which stands for "quaque die" in Latin.
It is bis die (BD), a latin term meaning twice per day. It means you take the medication twice a day.Twice a day (also abbreviated: b.i.d.)
Nothing by mouth is NPO, which is Latin meaning Nil Per Os.
1/day
Per Meaning; Each.
Generally "per" is used in healthcare to mean "each", as in, "This medication should be taken 2 per day." An abbreviation use of PER would include the following: Peak Ejection Rate Pediatric Emergency Room Periodogram Pharmaceutical Evaluation Report Protein Efficiency Ratio
NPR means nothing per rectum.
pr in medical terms stands for "per rectum," or a drug inserted into the rectum.
5X a day
"per neb" means that the medication should be delivered via nebulizer.