Health A-Z Medical Reference

If your doctor tells you that you have hypercalcemia, it means you have too much calcium in your blood. Learn about the conditions or medications that can lead to this problem.

Reactive hypoglycemia usually happens within 4 hours after eating. Although it mainly affects people with diabetes, it can also impact people without it.

A nephrologist specializes in the kidneys and diseases that affect them. Learn more about what to expect on your first visit, conditions they can treat and more.

What is an implantable port, and when would you need to get one in a vein? If you’re having chemotherapy for cancer, it’s easier and less painful to get your treatments through one of these gadgets, which you might hear called a port or port-a-cath. Find out how it’s implanted and how to care for it.

Have you ever wondered what bentonite clay is and what it does? Learn more about this ancient material.

If you have a problem called "clubbed fingers," it might be because you have another condition along with it, like lung disease or heart disease. Find out about the diseases linked to clubbed fingers and how to treat them.

A radiographer is a person who uses X-rays, CT scans, and sonograms to make images of the inside of your body. Learn about radiographers and how to get ready for your imaging appointment.

You might hear your doctor talk about "MCH" levels when they explain the results of certain blood tests. Find out what these measurements mean and how doctors use them diagnose conditions.

Flashing lights, dizziness, ringing in your ears: They could all be part of aura, an early warning sign of migraine, a seizure, or a stroke. Here’s what to look out for and how to manage the symptoms.

Systemic mastocytosis can lead to itchy skin, headaches, and more. Learn the symptoms, diagnosis, and treatments for this condition, which causes a buildup in your body of too many mast cells -- a type of white blood cell.

Find out about the symptoms and treatments of the three types of the blood disorder beta thalassemia.

Find out what kind of care you need if you're pregnant and have beta thalassemia, and find out how to overcome problems you may have if you're trying to conceive.

Find out the treatment options if you or child has a blood disorder called beta thalassemia.

Learn about who might benefit from a stem cell transplant for a blood disorder called beta thalassemia, and find out what complications might happen.

Blood transfusions are part of the treatment routine for some people with a blood disorder called beta thalassemia. Learn when you might need a transfusion and what to expect.

Beta thalassemia can affect many of your organs, from your heart to your liver. Learn the most common complications and how to avoid them.

Hematologists are specialized doctors who research, diagnose, treat, and help prevent blood-related conditions and disease. Find out why you might need to see one.

There are many causes of armpit pain, from a mild muscle strain to more serious conditions like breast cancer.

These white blood cells could be a sign of infection. Learn what else causes leukocytes in urine and how to treat the problem.

Hookworms are parasites that can live in your intestines or under your skin. Get the facts on the symptoms, treatment, and prevention in people.

Find out what the term cisgender means and how it differs from transgender.

Malaise is when you feel a sense of unease or a lack of well-being. From viral infections to heart disease, many disorders can lead to it. Find out what may be causing your malaise and what you can do at home to feel better.

You'll meet one of these specialists if you plan to have surgery. Find out why an anesthesiologist has an important job to do, and learn about the training they get.

Peeing less than usual can sometimes be a sign something’s wrong, but most of the time, it’s nothing serious.

Melanin is a natural skin pigment that plays a role in the color of your hair, skin, and eyes. Learn what else it does in the body.