Health A-Z Medical Reference

What is hyperemia? There are two different types of hyperemia; active and passive. Learn more about the differences between them and when you should treat either one.

Malingering is falsifying or exaggerating a physical or mental condition for personal gain. Learn how malingering is identified and the reasons for this behavior.

A T4 blood test is used to check your thyroid function. Learn about how the test works today.

Stage IV kidney disease leaves you at risk for kidney failure. Learn about this health condition today.

What is kidney dysplasia? Learn about this congenital condition, how it affected actress Sarah Hyland, and how it may affect health.

What are PFAS chemicals, where do they come from, and how do they affect your body?

Find out what you need to know about neutrophils, and discover the role they play in your immune system and how they may affect your health.

What are nephrostomy tubes? A look at this procedure and why you might need it, including good care techniques to reduce your risk of complications.

Your skeletal system includes all of your bones, which support the rest of your body. Learn about how the skeletal system functions today.

Find out what you need to know about pelvic floor dysfunction, and discover the causes, symptoms, treatment, and more.

Learn about glucose-6-phosphate dehydrogenase (G6PD) deficiency, testing, symptoms, and more.

Find out what you need to know about exploratory laparotomy. Discover the pros, cons, risks, and benefits, and how it may affect health.

A parathyroidectomy is an operation to remove the parathyroid gland. Learn when it's called for, what the risks are, and more.

Rinne and Weber tests assess the severity of hearing loss. Learn about how the tests work and treatment options for hearing loss today.

Transillumination is when doctors shine a light on your body part to diagnose various conditions. Read to learn more about this test and why it’s done.

Find out what you need to know about avulsion fractures, and discover the causes, treatments, and how they may affect health.

Find out what you need to know about ESBL-producing bacteria, the infections they cause, and how you can treat them.

Find out what you need to know about bone stimulators for fractures, and discover how they may affect health.

The ventrogluteal injection site is a point recommended for intramuscular injections. Learn more about what to expect and more.

Urosepsis is when a urinary tract infection spreads to your kidney. Learn about the causes, diagnosis, and more.

Find out what you need to know about AMA tests: who may need one, how they're done, and more.

Learn about what causes scrofula, what the symptoms are, and how to treat it.

Hyperpyrexia — or very high fever — is a life-threatening emergency that needs immediate medical attention. Find out what it is, what causes it, and how it can be diagnosed and treated.

Learn what phonophoresis is, how it can help with pain management, and the risks involved with this treatment.

Pagophagia is when you have a craving to chew on ice. Learn more about what causes it, symptoms of pagophagia, and more.

Cervical lymphadenopathy is a condition when your lymph nodes are swollen. Learn about the causes, symptoms, and treatment options for this condition.

Learn about essential oils for a bladder infection, including if it’s safe, pros, cons, and if there are benefits to it.

Find out what you need to know about antibiotic sensitivity testing, antibiotic resistance, and how antibiotic-resistant infections are treated.

Malignant hyperthermia is when your body temperature becomes too high from certain medications. Learn about the causes, symptoms, and treatment options for this condition today.

Learn what iron deficiency anemia is, including how to identify it, and what to do when you’re feeling dizzy, and more.

Learn what hyperphosphatemia is, including how it is diagnosed, treated, and more.

Neutropenic precautions are steps you need to take to prevent infections when you have a low white blood cell count. Learn more about these steps, when to take them, and more.

Hemoperitoneum is when your blood gathers in your abdomen. Learn about the causes, symptoms, and treatment options for this condition today.

Urine immunofixation is a test that looks for abnormal proteins in your urine. Learn about what it can say about your health.

Macrocytosis occurs when your red blood cells are enlarged or oddly shaped. Learn about the causes, symptoms, and treatment options for this condition today.

Leukocytosis is when you have too many white blood cells. Learn about leukocytosis, including what causes it, how it is diagnosed, and which conditions are associated with it.

Immunocompromisation is when your immune system doesn’t work properly. Learn about the causes, symptoms, and treatment options for this condition.

Hypochloremia is when your chloride levels are low. Learn more about what causes it, what to expect, and more.

An ear saline solution is a cleansing product you can use to remove earwax. Learn about its uses and risk factors.

Find out what you need to know about sickle cell tests, and discover the types, who should get them, and more.

Find out what you need to know about out-toeing, and discover the pros, cons, risks, and benefits, and how it may affect health.

Find out what you need to know about the Epstein-Barr virus test, and discover the pros, cons, risks, and benefits, and how it may affect health.

Pancytopenia is when you have low levels of blood cells. Learn about the causes, symptoms, and treatment options for this condition today.

Acanthocytosis is when you have abnormally shaped red blood cells called acanthocytes. Learn the causes, symptoms, and treatment options for this condition.

Find out what you need to know about hydronephrosis, and discover what causes it, how it's treated, and how it may affect health.

Why are platelet counts important? Discover what a platelet count can tell you about your health, what conditions it may show, and more.

Learn what an acid-fast bacteria (AFB) Stain test includes, and why your doctor may use it.

Learn how flail chest happens, possible complications, and how doctors treat it.

Learn about the formation of YY chromosomes and what kinds of physical characteristics and symptoms are associated with XYY syndrome.

Learn more about a popped rib, what causes it, and how to get treatment fast.