For example, poison ivy (Rhus toxicodendron) is a prominent and historic homeopathic remedy for certain kinds of joint pain associated with what might be called today fibromyositis or fibromyalgia.

In the past, this syndrome has been known as fibrositis, nonarticular rheumatism, the chronic fatigue syndrome, myodysneuria, fibromyositis and muscular rheumatism, among others. The diagnosis of ...