Bacterial Infections: Overview

Bacteria are tiny single-celled microbes that can infect the body. Some bacterial infections can be quite dangerous and worsen quickly, although they are not always so. Common types of bacterial infections include ear infections, throat infections, bacterial pneumonia, and many, many other types. Treatment often involves drugs in the class called antibiotics such as penicillin, erythromycin, and many other types of antibiotics, which may be given as pills or sometimes by injections or other administration routes. Bacterial diseases are different from other categories of disease such as viruses, fungal infections, parasites, and other categories. Bacterial diseases are often contagious, but all such diseases and not in all cases.

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.