What does q.i.d indicate?

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Multiple Choice

What does q.i.d indicate?

Explanation:
q.i.d means four times a day. It comes from the Latin quater in die, indicating you should take the dose four times within a 24-hour period—typically about every 6 hours to keep drug levels fairly constant. This is why four times daily is the correct interpretation. The other frequencies refer to three times daily (t.i.d), twice daily (bid), or once daily (q.d), which do not match four times. Modern practice sometimes favors writing the schedule in hours or plain language to reduce misinterpretation.

q.i.d means four times a day. It comes from the Latin quater in die, indicating you should take the dose four times within a 24-hour period—typically about every 6 hours to keep drug levels fairly constant. This is why four times daily is the correct interpretation. The other frequencies refer to three times daily (t.i.d), twice daily (bid), or once daily (q.d), which do not match four times. Modern practice sometimes favors writing the schedule in hours or plain language to reduce misinterpretation.

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