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qAM and qPM: Every-Morning and Every-Evening Sig Codes
qAM and qPM are prescription timing abbreviations you will translate often. They look simple, but precision matters when a patient’s medication schedule depends on them.…
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BID: Twice-Daily Dosing and Sig Interpretation
BID—short for the Latin bis in die—means twice daily dosing. You’ll see it in Sigs, prescriptions, and medication labels as a quick way to say…
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PO: Oral Route Abbreviation in Prescription Sig Codes
When you see PO on a prescription, you’re looking at one of the most common route abbreviations in pharmacy. It tells you the medication is…
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NPO: Nothing by Mouth Order Interpretation for Pharmacy Techs
If you see NPO (Nothing by Mouth) on a medication order, slow down: it is a patient-safety instruction, not just another abbreviation. Here’s how pharmacy…
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AC and PC: Meal Timing Sig Code Essentials
AC and PC are Latin-derived sig abbreviations you will see on prescriptions and medication labels. They tell you when a dose is tied to meals,…
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HS Bedtime Dosing: Latin Sig Code for Nighttime Administration
At bedtime is one of those small sig details that changes when a patient takes a medication. HS Bedtime Dosing is a common prescription shorthand…
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PRN As-Needed Prescriptions: Understanding Flexible Dose Sig Codes
PRN As-Needed Prescriptions are prescriptions that tell a patient to use a medication only when a specific symptom or condition occurs. The abbreviation comes from…
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TID: Three Times Daily Prescription Sig Code
TID—sometimes written tid or t.i.d.—is a common sig code meaning “three times daily.” You’ll see it constantly in retail and hospital prescriptions, so translating it…
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QID vs Q6H Dosing Instructions: Timing, Sig Codes, and Technician Safety
QID vs Q6H Dosing Instructions are two prescription sig patterns that both produce four doses per day, but they do not automatically mean the same…
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Sig Codes: Decoding Daily Prescription Instruction Abbreviations
Sig codes are the shorthand abbreviations pharmacists and technicians use to write medication directions—the “sig”—on a prescription. They often come from Latin, but in practice…