Claims based on traditional homeopathic practice, not accepted medical evidence. Not FDA evaluated.
Alumen is a homeopathic remedy for constipation, marble-like masses pass, but rectum still feels full, no desire for stool for days, violent ineffectual urging to stool, no ability to expel stool, headache. Worse cold except headache which is relieved by cold. Source: Boericke Materia Medica