Nontuberculous mycobacteria (NTM) are known as atypical mycobacteria. That means they’re related to tuberculosis, but they don’t cause the same disease. In fact, NTM are generally harmless. That’s a ...

Cellulitis may have different symptoms depending on the type of bacteria involved and where on your body it affects. These factors may influence which antibiotics a doctor prescribes to treat ...

Three types of parasites can cause disease in humans. They are protozoa, carried by mosquitos, helminths, such as roundworm, and ectoparasites, for instance lice and bed bugs. Parasites are organisms ...

Learn the key symptoms of conjunctivitis, how viral, bacterial, and allergic pink eye differ, and when eye redness or discharge needs medical attention.

Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Fungal nail infections are called onychomycosis. Many types of fungi can cause nail infections, but some common types include Trichophyton rubrum and Trichophyton interdigitale. Fungi are organisms ...

A new study suggests that people with obesity have higher rates of mortality and hospitalization from a variety of infections from viruses, fungi, parasites and bacteria ...

So it feels like your vagina is on fire. Let me first say, I’m so sorry you’re here. You might initially assume you’re dealing with a yeast infection—it’s just the vagina problem with the best PR. And ...