Arndt-Schulz law

Arndt-Schulz law

the pharmacologic principle of homeopathy, discovered by 19th century scientists, Hugo Schulz and Rudolf Arndt. It says that weak stimuli accelerate physiologic activity, medium stimuli inhibit physiologic activity, and strong stimuli halt physiologic activity.
References in periodicals archive ?
The fact that drugs can have two phases of action, depending upon their concentration, is also called the Arndt-Schulz law, which states that weak concentrations of biological agents stimulate physiological activity, medium concentrations of agents depress physiological activity, and large concentrations halt physiological activity.