The inhalation of carbonic acid modifies the processes of nutrition in a manner not yet understood: sugar has been found in the blood and liver of animals poisoned by it. More diuresis is caused by carbonated, than by ordinary water.

Synergists

Alcohol, ether, and other hydro-carbons cause intoxication and produce anaesthesia somewhat similar in character.

Antagonists

Oxygen and stimulants of the peripheral circulation.

Therapeutical Action (External)