Ivermectin is used to treat 2 types of river blindness.
 Ivermectin is safe for mammals (at the normal therapeutic doses used to cure parasite infections) because mammalian glutamate-gated chloride channels only occur in the brain and spinal cord: the causative avermectins usually do not cross the bloodbrain barrier, and are unlikely to bind to other mammalian ligand-gated channels
Ivermectin (, EYE-vr-MEK-tin) is an antiparasitic drug

