Common Abbreviations

A-N Description O-X Description
AUC Area under the curve Oral Oral bioavailability (adult)
BID Twice daily PB Percent of protein binding in maternal circulation
Cmax Plasma or mild concentration at peak PHL Pediatric elimination half-life
MAOI Monoamine oxidase inhibitors pKa The PH at which the drug is equally ionic and nonionic
Ci Microcurie of Radioactivity PRN As needed
g/L Microgram per liter q Every
mol Micromole of weight QD Daily
mg/L Milligram per liter QID Four Times Daily
ml Milliliter. One cc RID Relative Infant Dose
mmol Millimole of weight T1/2 Adult elimination half-life
M/P Milk/Plasma Ratio TID Three times daily
MW Molecular Weight Tmax Time to peak plasma level (PK)
ng/L Nanogram per liter VD Volume of Distribution
NSAIDs Non-steroidal anti-inflammatory X Times