q.h.s., qhs or qHS, Latin for “every night at bedtime”, an abbreviation used in medical prescriptions.

What does PRN stand for in medical terms?

The PRN prescription stands for ‘pro re nata,’ which means that the administration of medication is not scheduled. Instead, the prescription is taken as needed.

What does QAM and Qhs mean?

On a prescription, QHS means to take every night at bedtime. This is an acronym for the Latin phrase quaque hora somni. A similar acronym is QAM (quaq…