Trump didn't push ivermectin. That was more Joe Rogan, who is more of a Democrat.
And many doctors were talking about HCQ as a treatment for Wuhan virus before Trump, which is why Trump started promoting it. Fauci even mentioned it as a possible treatment for coronaviridae years prior. You see, there was no treatment for Wuhan virus at all at the time and it was a safe drug and we were trying to save lives. Meanwhile the left did all they could to make it sound like a dangerous drug that Trump invented because he owned stock in it and thus it couldn't be taken under any circumstances. We all know the reason why.
And for the love of god stop talking about Trump's "credibility" or how he didn't take it seriously. Biden did a worse job considering he had as many deaths in his first year despite vaccines and treatments.