Tiffany:
It's true that amoxicillin often produces a red, pimply rash in people with mono, but that ought to go away in 3-7 days max. Apparently you have something else, but whatever it is doesn't sound very serious. My advice is to have a dermatologist evaluate (or reevaluate) you to see whether these are clogged pores (folliculitis) or some other minor skin affliction. But I bey you'll be quite OK with a minimum of heavy lifting.
Best.
Dr. Rockoff