qd (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.”

Read Also:

  • QALY

    Quality adjusted life year, a year of life adjusted for its quality or its value. A year in perfect health is considered equal to 1.0 QALY. The value of a year in ill health would be discounted. For example, a year bedridden might have a value equal to 0.5 QALY.

  • Qi gong

    (“chee-GUNG”) A component of traditional Chinese medicine that combines movement, meditation, and regulation of breathing to enhance the flow of qi (an ancient term given to what is believed to be vital energy) in the body. Qi gong exercises involve the meridian system used in acupuncture, mind intent and breathing techniques during movement. When these […]

  • 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.”

  • Qinghaosu

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

  • QNS

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


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