CALC PHOS is specifically useful for the temporary relief of symptoms of: convalescence--after an acute illness, and before complete health and strength are regained, the body requires a period of comparative rest in order to recuperate. CALC PHOS is the principal remedy to tone up the general system; Diarrhea--CALC PHOS is useful in diarrhea resulting from digestive disturbances; Minor wounds, sprains and strains can be assisted in their healing process. Homeopathic.