Skip to Content


Pronunciation: harts'horn

Definition: A mixture of ammonium bicarbonate and ammonium carbamate obtained from ammonium sulfate and calcium carbonate by sublimation; formerly used as an expectorant and in smelling salts; so called because originally obtained from deer antlers.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.