[Abdominal pain with neuropsychiatric symptoms and ventilatory failure as a presentation of acute porphyria].

Background: Acute intermittent porphyria (AIP) is an uncommon metabolic disease, being the most common of the acute porphyrias. The most frequent symptom is acute abdominal pain, although can be accompanied by seizures, neuro-psychiatric alterations or symmetrical motor neuropathies, which in some patients can progress to respiratory musculature paralysis.

Objective: To describe an atypical presentation of acute porphyria to be considered as differential diagnoses in abdominal pain.