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CII Prescription Rules: DEA Scheduling and Dispensing Essentials
CII Prescription Rules are the federal requirements for prescriptions for Schedule II controlled substances—medications with accepted medical use but high abuse potential and severe dependence…
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Tsp and Tbsp: Household Measure Conversion and Safety Essentials
When you see Tsp and Tbsp household measures in a Sig, you’re looking at convenient kitchen units that must be translated into safe, measurable doses.…
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Refill Notation on Prescriptions: Decoding Refill Codes and Limits
Refill Notation on Prescriptions tells you how many additional fills a prescriber authorizes after the original dispensing. It appears near the Sig or on the…
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mL Versus cc Notation Rules: Volume Abbreviation Safety and Labeling Guide
mL versus cc notation rules are the conventions that guide when you use milliliters (mL) rather than cubic centimeters (cc) in prescriptions, labels, and Sigs.…
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OU OS OD Eye Designations: Decoding Ophthalmic Sig Abbreviations for Eye Safety
OU OS OD eye designations are small abbreviations that carry big safety weight on eye prescriptions. Knowing them cold helps you enter, label, and verify…
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AU AS AD Ear Designations: Safe Ear Route Abbreviation Practice
AU AS AD Ear Designations are Latin-derived sig abbreviations for ear routes: AU = both ears, AD = right ear, and AS = left ear.…
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Per Rectum Route Abbreviation: PR Sig Code for Rectal Medication Administration
When you spot PR on a prescription, you’re reading the Per Rectum Route Abbreviation—a Latin-based sig code that tells you to give medication rectally. It’s…
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SL Sublingual Route: Fast-Acting Administration and Counseling Basics
SL sublingual route is a prescription and sig abbreviation meaning a medication is placed under the tongue to dissolve and be absorbed. You will see…
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gtt: Eye and Ear Drop Dosing Sig Code
gtt is a tiny Sig abbreviation with a big job: it tells the patient how many drops to use in the eye or ear. If…
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UD Unit Dose Packaging: Single-Use Doses and Technician Safety
UD unit dose packaging delivers a single dose of medication in a ready-to-dispense or ready-to-administer unit. You’ll see it in hospitals, long-term care, and high-volume…