m.d.u. means more dicto utendus - to be used as directed in
Prescription
Similar to m.d.u.
h.s - hour sleep or half-strength
h.s. - Hora Somni
at bedtime
HS - Half Strength
IJ, inj - injectio - injection
IM - intramuscular
with respect to injections
IN - intranasal
IP - intraperitoneal
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