Health A-Z Medical Reference

Find out what kinds of medical problems a urologist can treat, and learn about the training this specialist has to get.

Find out the conditions that could be giving you a feeling of "pins and needles" in your leg, and learn what you can do about it.

If you wake up feeling weak, woozy, or unsteady, it can be a sign of anything from not getting enough to drink to a medical condition like sleep apnea. Learn the common causes of morning dizziness and how to manage those conditions.

A walk down a cold, windy street can send a shivery tingle up and down your body, but so can some health conditions like the flu, kidney stones, or an underactive thyroid. Find out what causes the chills and what you can do about it.

Having cold feet can happen for many reasons, from poor circulation to nerve damage. Learn more about the most common causes, symptoms, and when to see a doctor.

There's a lump in your throat, but it's not because you're sad. Lots of health issues can make your throat feel tight. Find out what they are and what you can do.

Your lips are super-sensitive. But some conditions can make them go numb or tingly. Learn what can cause a loss of feeling, and what you should do.

Yellow eyes can happen in more than just newborns. The whites of your eyes turn yellow when you have jaundice. Learn about this condition, why it causes yellow eyes, and possible treatments.

Numbness in your toes can be caused by any number of things, some serious, some not so. We take a look at some suspects.

Usually, the feeling is harmless and goes away on its own. But in some cases, you should tell your doctor or get help right away.

If your hand or arm gets numb, the cause could range from sleeping in one position for too long to a medical condition like carpal tunnel syndrome or diabetes. No matter the reason, treatments can give you relief as well as get to the root of the problem.

A tingling tongue can signal a medical problem. Some causes may be minor and temporary, but other reasons may be more serious.

Find out what cloudy urine says about your health, and what other symptoms could signal a problem.

Find out about conditions that might cause your urine to look brown, and when you should see your doctor.

Having cITP means you might have to deal with bruising and bleeding. Here's how to prevent and manage it and when to go for help.

Balance, strength, and flexibility -- all of these fitness benefits will improve your quality of life with cITP and lower your chances of injuries.

If your first treatment for your cITP isn’t right for you, you and your doctor have lots of other options.

There are lots of medicines for cITP. Learn how each one works.

The treatment your doctor chooses for your hyperkalemia depends on how high your potassium level is and how it's affecting your body. Learn about options.

Hyperkalemia means you have too much potassium in your blood. Learn what causes it, how it affects your body, and how to reduce your potassium level.

Several strategies can help your potassium if you have hyperkalemia. Whether it's medication, your diet, or supplements, learn about what you can do.

You can help your hyperkalemia by cutting back on foods high in potassium. Find out which foods to target and other diet changes to lower your potassium.

Occupational therapists are health care professionals who specialize in helping people with health issues that affect everyday activities. Learn more about the conditions occupational therapists treat and when you might need to see one.

Optometrists are professionals who provide primary health care for your eyes. Learn more about optometrists, the conditions they treat, and why you might want to see one.

A guide to the causes, symptoms, diagnosis, treatment, and prevention of typhus.

Respiratory therapists are medical professionals who work with doctors to assess and treat breathing problems. Learn more about the conditions they treat and why you might want to see a respiratory therapist.

A bite from an infected tick leads to this infection. The telltale sign is high fever that comes and goes. Here’s what you need to know about tick-borne relapsing fever.

Retroperitoneal fibrosis is when abnormal tissue grows in or around your abdomen. Learn about the causes, symptoms, and treatment options for this condition today.

Learn what monitored tympanometry is, how it works, and how it is used to diagnose ear infections. Discover what normal and abnormal results mean.

Learn what monitored anesthesia care is, how it works, and the surgical procedures it is used for. Discover how it differs from general anesthesia.

Learn how doctors can use a Urine pH test to diagnose various health issues and learn about your diet.

Biceps rupture happens when your biceps tendon tears due to overuse or injury. Learn about the causes, symptoms, and treatment options.

Find out what you need to know about the aldolase test: how it is performed, normal values, and what it means if your aldolase level is high.

Learn about fat embolism syndrome, a life-threatening condition that doctors might overlook.

Find out what you need to know about antidiuretic hormone and discover the pros, cons, and how it may affect your health.

Blood crossmatching is a test that helps your doctor know your blood type and which you’re compatible with before a blood transfusion. Here’s what you need to know.

Factor VII deficiency is a rare hereditary bleeding disorder. Learn about the causes, symptoms, and treatments for this condition today.

Enterococcus faecalis is the most common type of Enterococcal bacteria. Learn more about the infections it can cause and how they’re treated.

Fluid overload is when you have too much fluid in your body. Learn about the causes, symptoms, and treatment options for this condition today.

Researchers have discovered a new view of the interstitium, a series of fluid-filled spaces in the body. They’re suggesting that it may qualify as a full-fledged organ.

You've just been diagnosed, and now your health care team is assembled. Doctors, nurses, specialists, technicians, and more may all take part in your treatment.

Sickle cell disease can cause other health problems. Learn how to treat and prevent these complications.

A bone marrow transplant is the only cure for sickle cell disease, but it’s a long, complex process. Here’s what you should know.

It’s common for people with sickle cell disease to have pain. Here’s how you find relief.

Splenic sequestration is a dangerous complication of sickle cell disease. Learn about signs, diagnosis, and treatment.

"Sweating blood" is a rare -- but real -- medical condition. Learn why hematidrosis happens and what doctors can do about it.

Klebsiella pneumoniae can cause serious infections -- and not just pneumonia. Learn what it is and how to treat it.

If your potassium is high, you'll need to adjust your diet. Get tips on what to eat and what to avoid.

Does your face, cheek, jaw, or eyes feel numb? Here are some possible possible causes of facial numbness and tips on what to do next.

Your hair says a lot about you, and not just because of how you style it. Tests on your hair can reveal your DNA, drugs you’ve taken, and toxins you’ve been exposed to.