Anything else is opinion. With a strong opposing Congress, I my opinion is that a Trump presidency would be substantially limited in what damage it could accomplish. I do not seem as a dangerous demagogue in the same visceral way I disliked Pat Buchanan, Barry Goldwater or Huey Long.
These can be thought of as the old-fashioned group of antihistamines. Diphenhydramine (Benadryl) is one of the most common first generation H1-receptor blockers. Other examples include clemastine (Tavist), dimenhydrinate (Dramamine), promethazine (Phenergan) and hydroxyzine (Vistaril, Atarax).
Antimalarial drugs are available only with a physician's prescription. They come in tablet, capsule, and injectable forms. Among the commonly used antimalarial drugs are chloroquine (Aralen), mefloquine (Lariam), primaquine, pyrimethamine (Daraprim), and quinine. Other drugs are constantly in development.