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What does the abbreviation "tid" mean?

Published in Medical Abbreviations 1 min read

The abbreviation "tid" stands for ter in die, which means three times a day.

Understanding "tid" in Prescriptions

"tid" is a Latin abbreviation commonly used in medical prescriptions and instructions. It indicates the frequency with which a medication should be taken.

Explanation:

  • ter: Means "three"
  • in: Means "in"
  • die: Means "day"

Therefore, ter in die directly translates to "three times in a day".

Related Abbreviation:

  • t.d.s.: ter die sumendum, also means "three times a day".

Example:

If a doctor writes "Amoxicillin 500mg tid," it means the patient should take 500mg of Amoxicillin three times a day.

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