Homepharmacology Patient with G6 phosphate dehydrogenase deficiency, the drug may cause haemolysis.. Sulphonamide Patient with G6 phosphate dehydrogenase deficiency, the drug may cause haemolysis: a- Sulphonamide.*** b- Paracetamol. c- Pencillin. d- Ketoconazole. Facebook Twitter Share:Patient with G6 phosphate dehydrogenase deficiency, the drug may cause haemolysis.. Sulphonamide Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email