Pharmacology The risk of carbamazepine induced Stevens-Johnson syndrome is increased in the presence of which of the following genes? A HLA-B* 5801 B HLA-B* 1502 C HLA-B* 5701 D HLA-B 27 💡 Explanation The risk of carbamazepine induced Stevens-Johnson syndrome is increased in the presence of which of the following genes? ✓ Correct Answer: B. HLA-B* 1502