Ivermectin is an anti-parasitic. Since having parasites on top of another condition is generally worse than just having the condition, it's not uncommon to see

Ivermectin is an anti-parasitic. Since having parasites on top of another condition is generally worse than just having the condition, it's not uncommon to see a positive impact when taking ivermectin for a variety of conditions in places where parasitic infections are common, if only because the body no longer has to fight the parasites in addition to the condition. Since anti-vaxxers during COVID were looking for anything to take the place of a vaccine, ivermectin was an easy thing to latch onto.