Here is one of the videos showing how to measure the horse paste (based on body weight) etc. I've read that the price is about $12 and it's sold at feed stores. The following has dosage for both tablets and paste.
Ivermectin: calculating a dose (maximpulse.com)
There are some ways to get an online doctors visit + prescription even if your local doctor doesn't prescribe.
The Front Line COVID-19 Critical Care Alliance
Prescriptions can be filled by online pharmacies or can be sent to a compounding pharmacy nearest you.
I've read that the online pharmacy I've seen posted most, alldaychemist.com, is sold out. So it may get harder to obtain as the Faucists have an interest in preventing its use and/or it is popular right about now.
We have FReepers (e.g., Fred Nerks) who report success with this online Indian pharmacy (India is a major manufacturer of Ivermectin - apparently no prescription needed):
Ziverdo Kit Contains Zinc Acetate 50 mg, Doxycycline 100 mg & Ivermectin 12 mg Dispersible Tablets. It is currently indicated in the first line treatment for COVID-19 positive patients. Quadruple Therapy with Ivermectin is effective in treating COVID-19
Welcome to Anti Viral Medicine Shop | Ziverdo Kit Store
That’s a link to an Indian online pharmacy selling that Covid treatment kit , just add vitamin D3.
There are different treatment protocols - some for prophylaxis, and some for treatment of active Covid.
Early Treatment Protocols (Collection of Covid-19 resources, treatment and prophylactic protocols)
Here's a meme I had lying around about one of the protocols which uses Ivermectin.
