Health A-Z Medical Reference

A red blood cell count test gives the correct number of red blood cells in your body. Learn about how the test is done, why it is done, risks, and more.

Sterile pyuria is the presence of an excess of white blood cells in your urine. Learn about its causes, treatment, and more.

Hemolytic Uremic Syndrome damages the blood vessels of your vital organs, like kidneys, heart, and brain. Learn more about its causes, symptoms, and treatment.

Find out what you need to know about the stages of chronic kidney disease, and discover the causes and treatment, and how it may affect health.

Crimean-Congo hemorrhagic fever (CCHF) is a disease that’s usually spread by ticks. Learn more about its symptoms, diagnosis, and treatment.

What happens if you have an electrolyte imbalance? Learn what an electrolyte imbalance is and how it can be treated and prevented.

Air purifiers help remove pollutants and allergens from the air. Maintaining a home with clean air can help keep you and your family healthier.

Discover what you need to know about skull x-rays. Learn about how they work, what they are used for, and what happens during a skull x-ray.

A parvovirus test identifies the presence of parvovirus 19 that causes fifth disease. Learn about how the test is performed, fifth disease symptoms, and more.

A differential blood count is a test that measures your white blood cell. Learn more about why it’s done, reference ranges, and more.

Clonus reflex is a set of rhythmic, involuntary muscle contractions. Learn about the causes, symptoms, and treatment options for this condition today.

Learn what interstitial nephritis is. Interstitial nephritis is when a small part of your kidneys’ filters, called the tubules, gets swollen. It can be mild and short-term, but it can also manifest more severely for more extended periods.

Learn about trimalleolar ankle fractures, what can cause them, and options for surgical treatment.

Pyruvate kinase deficiency is a genetic disorder that causes anemia. Let's learn about its symptoms, mechanism, cure, and treatment options.

When you have more than one health condition at a time, they’re known as comorbidities. Here’s how they can affect your health and treatment.

Learn about candida parapsilosis and who is at risk for this fungal infection. Find out why it is dangerous and how it is treated.

Find out the differences between penicillin and amoxicillin, and discover the pros, cons, risks, and benefits, and how it may affect health.

A turbinectomy is a common surgery often used as a part of treatment for sleep apnea and other breathing-related issues.

Light that's excessive or obtrusive can harm people, animals, and the environment.

Loud, annoying sounds can lead to health problems ranging from hearing loss to high blood pressure.

Can virtual reality help treat things like pain, PTSD, and anxiety? Here’s a look at what the research says.

Attending a crowded concert or event? Here's what to know about how stampedes happen, tips to avoid them, and how to stay safe if you're caught in one.

A triquetral fracture is when you break or crack the triquetrum bone in your wrist. Learn about the causes, symptoms, and treatment options for this condition today.

The key to getting the best health care is to work with your doctor as a team. Learn how to communicate better and be an effective advocate for yourself.

A major part of taking care of your health is finding the right doctor. See tips for where to start your search and what to look for in a care provider.

What are the benefits of telehealth over seeing your doctor in person?

Regenerative medicine is a developing, innovative field of medicine in which experts are looking for therapies and strategies, similar to the mechanisms that allow your body to self-heal, to help you recover from seemingly untreatable injuries and diseases.

Stem cell research may be the key to treating conditions that have no cure. Learn more about stem cells and how they work.

Nipah virus spreads to humans through animals. Cases range from mild to fatal. Learn more about how doctors diagnose, treat, and prevent the virus.

After a hurricane passes, you face health risks ranging from dangerous buildings to carbon monoxide poisoning. Learn how to protect yourself and your loved ones.

Marburg virus disease causes people to quickly develop severe illness and fever, which could lead to shock or death. Learn more about the causes, symptoms, and treatment of this illness.

Melioidosis, also known as Whitmore’s disease, is a bacterial disease that can infect humans and animals. Learn more about what causes it, what the symptoms are, and how to avoid and treat the infection.

Hypercalcemia is a condition you have when your blood has abnormally high levels of calcium. It can cause several health problems, such as weak bones and kidney stones, and affects how your heart and brain work.

Mpox (monkeypox) is a rare illness that spreads through close contact. Learn more about what to do if you’re exposed to the virus or have symptoms.

Find out what you need to know about how diseases spread, how to prevent contagious diseases, and how they affect health.

Monkey B virus is a virus that’s common in macaque monkeys and transmitted in rare cases to humans, where it may cause serious illness.

What to know about a liver fluke. Learn about the life cycle of liver flukes, the symptoms of liver fluke infections, how infections are diagnosed, and how you can prevent and treat liver fluke-related infections.

Find out what you need to know about low ceruloplasmin levels and how it may affect health.

Find out what you need to know about pelvic magnetic resonance imaging (MRI), and discover what to expect, what the results can mean, and possible risks.

What is an osmotic fragility test? What you need to know about this test and the role it plays in identifying blood conditions.

Learn what makes it easier to swallow your medication when you have trouble doing so.

Learn about the different types of transfusion reactions, what causes them, their potential symptoms, and how to prevent them.

A low nasal bridge is when the top of your nose is flatter than usual. Learn about the causes, symptoms, and treatment options for this condition today.

Find out what you need to know about a platelet aggregation test, and discover the purpose, results, and risks, and how it may affect health.

Learn what a TFCC tear is, including its causes, symptoms, and more.

Learn what lymphangitis is, its causes, symptoms, and diagnosis. Discover how doctors treat the condition.

Hypcalcemia happens when there is too little calcium in your blood. Learn about the causes, symptoms, testing, treatment options, and more.

Find out about the different types of audiometry tests that doctors use to measure how well you hear and about how to deal with hearing loss.

Learn what hypophosphatemia is, including how you can treat it, its symptoms, and its causes.

Heinz body anemia is when damaged red blood cells break down faster than your body can make them. Learn about the causes, symptoms, and treatment options for this condition today.