1 An older antibiotic, but still in use, and effective where you might be allergic to the penicillins. However, it may cause various types of stomach upset, and so is usually kept in reserve.  Clindamycin is the 500lb. gorilla of tooth abscess antibiotics used in dentistry.
A communicable disease is an illness transmitted through contact with microorganisms. People, animals, food, surfaces, and air can all be carriers of the microorganisms that pass infectious illnesses from one host to the next.
Nephrogenic systemic fibrosis (NSF) is a rare debilitating disease resulting in skin contractures (or localised skin thickening and tightening) and internal organ damage. It has occurred with some gadolinium-based contrast media in a minority of patients with pre-existing severe kidney function abnormalities.