i think you shd follow your instinct and what your body is telling you and stay home, get recharge, forget all others. first things first. health first and savor life and its perks. nothing's great when a body part aches....
If this persists for the next few days, I think I will go to a doctor na, and take that dreadful antibiotic. Aarghh! I try to avoid that as much as possible.