Rules of Visual Composition. Positive space refers to the main focus of a picture, while negative space refers to the background. When used creatively and intelligently, positive and negative space together can tell a story using visual composition alone. The term negative space is something of a misnomer.
Antibiotics such as amoxicillin, cephalexin, or penicillin are used to treat strep throat. Antibiotics work only against bacterial infections such as strep throat. They will not help sore throats caused by allergies or viral infections such as colds. Antibiotics are commonly used to: 1  Kill the bacteria and shorten the time you are contagious.
Antibiotics are commonly used to treat strep throat because they: 1  Kill the bacteria and shorten the time the patient is contagious, thereby reducing the likelihood of transmission to close contacts. The patient usually is no longer contagious 24 to 48 hours after starting antibiotic. 2  Prevent rare complications.