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DO NOT USE ABBREVIATIONSU (for unit) IU (for international unit) O.D or Q.O.D. Trailing zero (X.0 mg) MS MSO4 MgSO4 μg (for microgram) H.S. (for half-strength or Latin abbreviation for bedtime) T.I.W. (for three times a week) S.C. OR S.Q. (for subcutaneous) D/C (for discharge) c.c. (for cubic centimeter) A.S., A.D.,A.U. (Latin abbreviation for left, right, or both ears) | PREFERRED Write “unit” Write “International unit” Write “daily” and “every other day” Never write a zero by itself after decimal point (X mg), and always use a zero before a decimal point (0.X mg) Write “morphine sulphate” or “magnesium sulphate” Write “mcg” Write out “half-strength” or “at bedtime” Write “3 times weekly” or “three times weekly” Write “Sub-Q” , “subQ” or “subcutaneously” Write “discharge” Write “mL” for millimeters Write “left ear”, “right ear”, or “both ears” |
**NOTE: Abbreviations should not be used in any of its forms such as upper or lower case, with or without periods. **