The dose is 310 grain, and should invariably be administered by hypodermic injection.
The most frequent mode of administration is the hypodermic method, on account of the extreme rapidity with which it is absorbed.
Hypodermic tabloids of morphine sulphate either alone or combined with atropine are much in use.
In pneumonia and other acute disease, where the patient is liable to sudden collapse, a hypodermic injection of strychnine will often save the patient's life.
Of the numerous preparations only two need be mentioned - the liquid extract (dose 10 minims to 2 drachms or more), and the hypodermic injection.