A young girl turned to a dermatologist about redness, swelling and itching that appeared on open skin areas after a country walk on a sunny day. The patient took sulfonamides due to the exacerbation of chronic bronchitis. 5-aminolevulinate and porphobilinogen were detected in the patient's blood, urine was colored red.


What is the preliminary diagnosis porphyrias(hepatic)

Metabolic disturbance of which substance is observed in this case heme

Why urine has red color in this case due to porphyrins

Heme synthesis. Reactions. Regulation ALAS

What heme synthesis enzyme is induced by sulfonamides aminoleulanate synthase

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