Viruses are responsible for causing many diseases, including: Common cold. Influenza. Measles. Chickenpox and shingles. Coronavirus disease 2019, also called COVID-19. Antibiotics kill or block activities bacteria need to live or grow, but antibiotics don't work on viruses. Medicine that treats viral infections is called an antiviral.
Viruses that become resistant to antivirals have affected treatment, including for genital herpes, HIV and, in 2008, for influenza (flu). Treating and preventing bacterial and viral infections In some cases, it can be hard to figure out if a bacterial infection or a viral infection is causing your symptoms.
Overview Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system. The flu is caused by a virus. Influenza viruses are different from the "stomach flu" viruses that cause diarrhea and vomiting. Most people with the flu get better on their own. But sometimes, influenza and its complications can be deadly. To help protect against ...
Causes A number of diseases and conditions can cause diarrhea, including: Viruses. Viruses that can cause diarrhea include Norwalk virus, also known as norovirus, enteric adenoviruses, astrovirus, cytomegalovirus and viruses that cause hepatitis. Rotavirus is a common cause of sudden childhood diarrhea.
Viruses that have been linked to Bell's palsy include viruses that cause: Cold sores and genital herpes, also known as herpes simplex. Chickenpox and shingles, also known as herpes zoster. Infectious mononucleosis, caused by the Epstein-Barr virus. Cytomegalovirus infections. Respiratory illnesses, caused by adenoviruses.
A sore throat is pain or irritation of the throat. Swallowing often makes it feel worse. The most common cause of a sore throat, also called pharyngitis, is a viral infection, such as a cold or the flu. A sore throat from a virus goes away on its own. Strep throat, also called a streptococcal infection, is a less common type of sore throat. Bacteria causes it. Strep throat needs treatment with ...