A middle-aged patient with a history of urinary tract infections was recently prescribed trimethoprim-sulfamethoxazole. Within a week of starting the medication, the patient developed widespread bruising and petechiae. There were no other changes in medications or known exposures. What is the most likely mechanism of the process that caused the bruising and petechiae?
A] Formation of drug-dependent antibodies that bind to and destroy platelets
B]Increased consumption of platelets due to drug-induced vascular damage Direct bone marrow suppression leading to decreased platelet production
C]Impaired platelet function without affecting platelet count . Previous