d.t.d. means dentur tales doses - give of such doses in Prescription
Similar to d.t.d.
MS - morphine sulfate�or�magnesium sulfate MSO4 - morphine sulfate N.M.T. - not more than N.T.E. - not to exceed nebul - nebula - a spray noct. - nocte - at night non rep. - non repetatur - no repeats