That's very very unlikely. Even considering the Nobel prize for it. Simply because the sheer scale of the pandemic.
There are more vaccines in development and use against COVID than there are Ivermectin clinical trials in total.
> they’ve been deployed for longer and at least passed phase 1 trials, which the vaccine has not (only preliminary results).
That doesn't mean they are not safe. The phase 1 trials run to 2022 Nov, because there's a long follow up period.
Nothing can guarantee that there's not some mysterious missed interaction. It's probability is low and getting lower day-by-day. This tail risk is just not that important for safety. It makes very little sense to emphasize this, because we also don't know the long term interaction of Ivermectin and COVID-19.
Off label drug use/ approval isn't about government liability. As far as I know, it has none. The noteworthy exception is the vaccine's, where the government has a special injury compensation fund, but I wouldn't call this liability . It IS about manufacturer liability, and insurance reimbursement.
https://www.askdifference.com/therapy-vs-treatment/
Joe rogan explained what his doc gave him. He’s also had multiple doctors and researchers on his show providing information regarding treatments they are attempting. Frankly, Ivermectin and the like have more research than the vaccine, they’ve been deployed for longer and at least passed phase 1 trials, which the vaccine has not (only preliminary results).
https://www.modernatx.com/covid19vaccine-eua/providers/clini...
In terms of “off-label” drugs, the FDA approval process is there to protect against liability. Effectively, the government accepts some liability and in return medical companies get some protections. It’s highly likely you’ve taken drugs “off label” yourself.
https://www.goodrx.com/healthcare-access/medication-educatio...
Thus far, this research is promising. Similar to other treatments / therapeutics to covid19, and it has a known risk profile. Making it a potentially better alternative to the standard approach (stay hydrated if infected and vaccinate ahead of time if possible)