Treatment of acute exacerbations of trigeminal neuralgia in the emergency department: A retrospective case series.

In our sample, opioids were the most used therapeutic approach in acute TN exacerbations despite their low efficacy and subsequent need for further drug treatment in most cases. Most crisis episodes managed with intravenous phenytoin reached total pain relief. Prospective studies are needed to guide the treatment of acute exacerbations of TN.