Frequency
tiw
Three times weekly
What tiw stands for
tiw is a medical abbreviation for three times weekly. TermDecode files it under frequency abbreviations.
FrequencyFlagged high riskSourced
Risk
ISMP lists tiw as error-prone: it may be mistaken as three times a day or twice weekly.
Safer Alternative
Write "3 times weekly"
Seen in context
tiw misread as tid
Sources
The risk description and safer alternative above are reproduced from these published lists.
Premium
Fresh drills and study sheets are Premium
See Premium plansAll 337 abbreviation pages - meanings, risk notes, safer alternatives and sources - are free and stay free, and so is the printable high-risk abbreviation sheet. Premium is the drilling over the 441-term library: a fresh quiz round whenever you want one rather than replaying today's 10 questions, a fresh 25-card deck aimed at one body system, spelling drills, mastery tracking, and 13 more study sheets.