Differential diagnosis of acute intermittent porphyria are :
-SIADH due to other causes
-acute abdominal pain due to peptic ulcer disease, cholecystitis and appendicitis
-polyneuropathy due to other causes
-diverticulitis
-familial Mediterranean fever
-ruptured ectopic pregnancy
-Guillain Barre Syndrome
-lead poisoning
-heavy metal poisoning
-psychosis links to other causes
-alkaptonuria
-SIADH due to other causes
-acute abdominal pain due to peptic ulcer disease, cholecystitis and appendicitis
-polyneuropathy due to other causes
-diverticulitis
-familial Mediterranean fever
-ruptured ectopic pregnancy
-Guillain Barre Syndrome
-lead poisoning
-heavy metal poisoning
-psychosis links to other causes
-alkaptonuria