Before revision: For example, Chinese patients pocessing HLA-B*1502 who is in use of carbamazepine should not be administered with phenytoin due to the strong evidence of developing lethal Stevens-Johnson Symptoms or toxic epidermal necrolysis
After revision: For example, Chinese patients possessing HLA-B*1502 who are using carbamazepine should not be administered phenytoin due to the strong evidence of developing lethal Stevens-Johnson Symptoms or toxic epidermal necrolysis