| Subject | Contents |
| Definition | A disorder that is caused by a change in the amount of porphyrins (nitrogen-containing substances) found in the blood. This can cause abdominal pain , skin lesions , light sensitivity , anemia , and neurological changes. |
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| Causes, incidence, and risk factors | |
| Symptoms | |
| Signs and tests | |
| Treatment | |
| Support Groups | |
| Expectations (prognosis) | |
| Complications | |
| Calling your health care provider | |
| Prevention | |
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