1. Introduction: What is Albendazole? Its Role in Modern Medicine Let me be straight with you โ Albendazole is one of those drugs that doesn’t get enough credit in mainstream medicine, but in parasitology circles, it’s basically a life-saver. It’s a broad-spectrum benzimidazole anthelmintic that’s been around since the 1970s, originally developed by SmithKline & French. The WHO lists it as an essential medicine, and for good reason. What is Albendazole used for?