If you are bravely battling a cold or the flu right now, you may be wishing you had some antibiotics to help you with your fight, but would they really help? According to the Centers for Disease Control and Prevention's "Get Smart: Know When Antibiotics Work" page, "Antibiotics cure bacterial infections, not viral infections such as colds or flu; most coughs and bronchitis; sore throats not caused by strep; or runny noses:"
It can, in fact, be
dangerous to take antibiotics when they aren't necessary because it may
lead to more antibiotic-resistant strains of bacteria and viruses.
Read all about it here, then take some over-the-counter painkillers and a