A 54 yo brought in by EMS because of severe head trauma and seizures. His GCS is 10 and he requires immediate intubation. After resuscitation, he is admitted to the ICU where the following evening the nurse notes his hand. Which anti-seizure drug is associated with such discoloration?
a. Carbamezepine
b. Sodium valproate
c. Lamotrigine
d. Phenytoin
e. Lorazepam
