An important cholera remedy also used for diarrhoea. Cramps and spasms. Convulsions which start in fingers / toes. In extreme cases blueness / coldness apparent death ( cf Carbo Veg). Diarrhoea: violent with cramps and retching. Better: drinking cold water; perspiration. Worse: hot weather; touch.
Cuprum 30c is included in the following Homeopathy World kits: