qid (on prescription)


If a medicine is to be taken every so-many hours, it is written “q_h”; the “q” standing for “quaque” and the “h” indicating the number of hours. So, for example, “2 caps q4h” means “Take 2 capsules every 4 hours.”

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    A Chinese herb (also called sweet wormwood) from which is extracted the antimalarial agent artemisinin.

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    On a lab report, Quantity Not Sufficient. The sample is not large enough to do the test.

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    The deflections in an electrocardiogram (EKG) tracing that represent the ventricular activity of the heart.

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    1) A practitioner who suggests the use of substances or devices for the prevention or treatment of disease that are known to be ineffective. 2) A person who pretends to be able to diagnose or heal people, but is unqualified and incompetent.


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