L9.interpreting common pharmacy sigs

Step 6: Interpreting Common Pharmacy Sigs

• Pharmacy Sigs refer to the directions on how to use a medication. These abbreviations are often derived from Latin and utilize Roman numerals.

• The term "Signa" (Sig) means "to write."

Important Terms

Directions for Use

• The Sigs detail how medications are to be taken, including the route of administration, dosage form, timing, and measurements.

Common Abbreviations

• i tab bid

  • Meaning: Take one tablet twice a day

  • Interpretation: t tablet/dose x 2 doses/day = 2 tablets/day

• i tab tid

  • Meaning: Take one tablet three times a day

  • Interpretation: t tablet/dose x 3 doses/day = 3 tablets/day

• i tab hs

  • Meaning: Take one tablet at bedtime

  • Interpretation: t tablet/dose x 1 dose/day = 1 tablet/day

• i tab bid pc

  • Meaning: Take one tablet twice daily after meals (post cibum)

  • Interpretation: t tablet/dose x 2 doses/day = 2 tablets/day

Example Prescription Interpretation

• Prescription: ii tablets po today, i tab po daily days 2-5

  • Interpretation:

    • Take two tablets by mouth today.

    • Then take one tablet by mouth daily from days two through five.

Note Taking Options

• If you prefer handwritten notes, consider typing them into the provided box for personal tracking.