Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. As may hepatic encephalopathy and the genetic disorder porphyria. Acute porphyria can cause elevated catecholamines. Certain vitamin and minerals deficiencies are commonly found in people with porphyria cutanea tarda. An estimated 80% of porphyria cutanea tarda cases are sporadic. Individuals with congenital erythropoietic porphyria do not crave blood. He suffered from gout, arteriosclerosis, peripheral edema ("dropsy"), and possibly porphyria. The rarest is congenital erythropoietic porphyria (C.E.P.), otherwise known as Gunther's disease. The treatment for acute porphyria may involve giving intravenous heme or a glucose solution. It was first reported to exacerbate hepatic porphyria in 1975. Some drugs are absolutely contraindicated for patients with any form of porphyria. Hydroxychloroquine can worsen existing cases of both psoriasis and porphyria. Elevation of aminolevulinic acid results in lead poisoning having symptoms similar to porphyria. It is not recommended in those with significant liver disease or porphyria. It is not recommended in people with liver failure or porphyria.