acute intermittent porphyria

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Acute intermittent porphyria is a particularly severe form of porphyria which results from a deficiency of porphobilinogen deaminase.

In common with the other acute porphyrias the clinical course is one of clinical latency followed by an acute episode following a precipitating event. The main clinical features of an attack are gastrointestinal disturbance and neuropsychiatric disorders.

Last reviewed 11/2021