An Orthodox Jewish pharmacist or one who was a Jehovah's Witness could kill a transplant patient if they refused anti rejection drugs.
What if the pharmacist was a Christian Scientist!
I've met a lot of people who thought allergies were all someone's mind. Suppose one of them didn't hand out antihistimines.
I think all psychiatrists are dishonest quacks. If I became a pharmacist could I refuse to give patients Ritalin, or Prozac? Things to consider.