A patient has been diagnosed as having "long QT syndrome." The patient is experiencing significant pain following a bout with shingles. What would be an appropriate drug for his pain?
It's a case of post-herpetic neuralgia. Gabapentin is the drug of choice. Amitriptyline can also be used for pain but it can also cause arrhythmia.
Amitriptyline
Fentanyl
Acyclovir
Gabapentin
Cardiovascular system