Therapeutic Action.—These agents are used as restoratives in the advanced stages of fever, and to support the powers of the system after surgical operations and severe injuries. They are said to he objectionable in cases of asthma and diseased states of the respiratory or digestive organs.
As porter contains a greater amount of the bitter and tonic properties of the hops, and less of the saccharine matter of the malt, it is to be preferred in diabetic and dyspeptic affections. In many cases ale seems to be one of the most congenial tonics that can be used. During the convalescent stage of fever, while the stomach is weak and irritable, and when the vital powers are much exhausted, this answers a valuable purpose in many cases. It acts as a gentle stimulant, abates nervous irritation, restores the appetite and promotes refreshing sleep.