By Hahnemann . See Materia Medica Pura and Lesser Writings . How is the tincture prepared ? The dried seed is coarsely powdered and treated like Sticta . What is Cocculus ? It is a member of the Menispermaceae family ; its alkaloid is called Picrotoxin . What is the general action of Cocculus ? Many spasmodic symptoms - cramps, etc. - characterize this drug. Paretic affections, notably of one-half of the body. It produces a condition much like sea-sickness - nausea, faintness, vertigo, prostration. When is Cocculus indicated in debility ? When it is spinal in origin and comes from loss of sleep ; useful in those who nurse the sick. What is the headache of Cocculus ? Headache in the back part of the head and nape, with tendency to stretch the head backwards, and a sensation as if the head were opening and shutting. Give two other drugs also useful for occipital headache. Gelsemium and Juglans cathartica . Give headache of Onosmodium. Pain in occiput with vertigo. Headaches caused by straining the eyes, with strained feeling in the eyes. When is Cocculus indicated in nausea ? When it is caused by riding in the cars ; it is also a remedy for seasickness.