Taking antibiotics for reasons other than a bacterial infection can cause problems. For example, your child may have side effects from the medicine.

Antibiotics are medicines used to treat infections caused by bacteria. They don't work for illnesses caused by viruses or an allergic reaction.

E-cigarettes are devices that allow users to breath in liquid that has nicotine in it. New health concerns have been raised about these devices. Here's what you need to know.

Certain infections can spread from person to person. This is why your friend or family member may be put in a special room at the hospital. Here's what you need to know to keep you and your loved one safe.

A deep vein thrombosis (DVT) is a blood clot in a large vein deep in your leg, arm, or elsewhere in the body. The clot can separate from the vein, travel to the lungs and cut off blood flow. This is a pulmonary embolism (PE). Pulmonary embolism is very serious and may cause death.

How do you know if someone has the flu or COVID-19? What are the differences between these 2 illnesses? Here's what you need to know.

When you have COVID-19, lying on your belly can help your lungs work better. It can help get more oxygen into your lungs more easily. It can help prevent lung injury.

The best prevention is to not have contact with the SARS-CoV-2 virus.

2019 Novel Coronavirus (2019-nCoV) is a virus that causes a respiratory illness. Here's what you need to know to protect yourself.

If you have recovered from COVID-19, you may be able to donate blood plasma. This is a procedure like donating blood.