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Attacks may be triggered by alcohol, smoking, hormonal changes, fasting, stress, or certain medications. [2] [4] If the skin is affected, blisters or itching may occur with sunlight exposure. [2] Most types of porphyria are inherited from one or both of a person's parents and are due to a mutation in one of the genes that make heme. [2]
Porphyria cutanea tarda is the most common subtype of porphyria. [1] The disease is named because it is a porphyria that often presents with skin manifestations later in life. The disorder results from low levels of the enzyme responsible for the fifth step in heme production. Heme is a vital molecule for all of the body's organs.
One Cochrane review supports its efficacy in preventing the spread of pertussis. [41] Shigellosis: Yes: Yes: No: Generally accepted treatment for shigellosis. [42] A Cochrane review found that while it is an effective treatment for shigellosis it also produces more significant adverse effects than other antibiotic drugs. [43] Staphylococcus ...
Erythropoietic protoporphyria (or commonly called EPP) is a form of porphyria, which varies in severity and can be very painful.It arises from a deficiency in the enzyme ferrochelatase, leading to abnormally high levels of protoporphyrin in the red blood cells (erythrocytes), plasma, skin, and liver. [2]
X-linked sideroblastic anemia or "X-linked dominant erythropoietic protoporphyria", associated with ALAS2 (aminolevulinic acid synthase), has also been described.X-linked dominant erythropoietic protoporphyria (XDEPP) is caused by a gain of function mutation in the ALAS2 (5-aminolevulinate synthase) gene; that gene encodes the very first enzyme in the heme biosynthetic pathway.
Acute intermittent porphyria (AIP) is a rare metabolic disorder affecting the production of heme resulting from a deficiency of the enzyme porphobilinogen deaminase. It is the most common of the acute porphyrias .
Variegate porphyria is inherited in an autosomal dominant pattern, which means the defective gene is located on an autosome, and inheriting one copy of the defective gene from an affected parent is sufficient to cause the disorder. More severe cases result from inheriting two copies of the defective gene.
It is also used to both treat and prevent pneumocystis pneumonia (PCP). [4] [10] It is also used for toxoplasmosis in people unable to tolerate trimethoprim with sulfamethoxazole. [10] Dapsone by mouth was one of the first medications used to treat moderate to severe acne vulgaris, and is still occasionally prescribed for the treatment of ...