I hereby start a completely insupportable rumor with absolutely no basis in fact:
Hydroxychloroquine was originally named Hydroxychlorequine, but the manufacturer felt it best to modify that "e" as it might be taken to be a reference to horses.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw