These are usually to be sought in hygienic conditions rather than in the administration of drugs. When horses sweat unduly with only moderate exertion, it is usually a sign of weakness or want of condition. If any drugs are prescribed, those of the tonic class will be chosen.

Belladonna and atropine are believed to restrain sweating in horses, as they also do, and in a higher degree, in the human subject, but their use is only indicated under circumstances of disease.