q.h.s. means quaque hora somni - every night at bedtime in Prescription
Similar to q.h.s.
m.d.u. - more dicto utendus - to be used as directed mane - mane - in the morning mist. - mistura - mix mitte - mitte - send mL - millilitre MS - morphine sulfate�or�magnesium sulfate MSO4 - morphine sulfate