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PHM 112
Chapter 4-"Undesirable" Abbreviations
| Abbreviation | Potential Problem | Preferred Term |
|---|---|---|
| H.S.(for half-strength, or latin abbreviation for bedtime) | Mistaken for either half strength or hour of sleep(at bedtime). q.H.S mistaken for every hour. All can result in a dosing error | Write out half-strength or at bedtime |
| T.I.W(for 3 times a week) | Mistaken for 3 times a day or twice weekly, resulting in an overdose | Write 3 times weekly or three times weekly |
| S.C. or S.Q.(for subcutaneeous) | Mistaken as SL for sublingual or 5 every | Write Sub-Q,subQ, or subcutaneously |
| D/C(for discharge) | Interpreted as discontinue whatever medications follow | Write discharge |
| c.c.(for cubic centimeters) | Mistaken for U when poorly written | Write mL for milliliters |
| A.S,A.D,A.U(latin abb. for left, right, and both ears) | Mistaken for OS,OD,OU | Write left ear, right ear, or both ears |
| ug(for microgram) | Mistaken for mg, resulting in 1000-fold dosing overdose | Write mcg |