Too many winks. Dosing info at flccc.net
Animal ORAL & injected products, will be OK for oral use humans mix with fruit juice.
Any TOPICAL product must be avoided! as it contains poisons! example diesel fuel to help the iver stick to animal's fur. Avoid that.
Advantage of for-human pills is, eliminate guesswork & math.
Ivermectin is over-the-counter or non-prescription in many countries where people take it prophylactically for a lot of things, and overseas pharmacies often ship without a prescription. cough, alldaychemist dot com
Nasal rinsing with a solution of povidone iodine, is another hot topic people are discussing to prevent or mitigate covid & other viruses that initially infect your nasal passages & grow there before invading lungs etc.