Nickel is a remedy for periodical nervous headaches; with asthenopia, weak digestion, constipation; of debilitated literary persons. Must sit up and hold the head with hands or has to put the arms on thighs when coughing; worse night. Violent hiccough; with thirst. Child must be held up during the cough otherwise it would be seized by spasms.
Periodically; every two weeks; yearly.