What is three times a day in medical terms?

Asked by Kate Buck

t.i.d. (on prescription): Seen on a prescription, t.i.d. means three times a day. It is an abbreviation for “ter in die” which in Latin means three times a day. The abbreviation t.i.d. is sometimes written without a period either in lower-case letters as “tid” or in capital letters as “TID”.

Rani Gautam, BA Contributor
Rani Gautam
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