Homeopathic medicine Cedron is derived from the plant — Simaruba ferroginea, also known as Simaba cedron. It belongs to family Ericaceae. To obtain this medicine the seeds of this plant have to undergo potentization. It is a process of preparing homeopathic medicines which arouse medicinal properties out of their crude form. After this process, it is converted into a magnificent homeopathic medicine — Cedron. It is the main medicine to handle cases of neuralgia (nerve pain), and headache that occurs at clock-like precision meaning thereby that the problem arises at the exact time every day like clock timings.