In-depth

Causes

Ear infection (middle ear)

Ear infections are common in children. These bacterial or viral infections of the middle ear can cause mild to severe ear pain.

Risk factors

Anemia

Anemia occurs in many forms, but all involve a shortage of healthy red blood cells. Treatment depends on what's causing your anemia.

Symptoms

Edema

Edema — swelling caused by excess fluid in tissues — can affect any part of your body. Treating the underlying cause is key to resolving edema.

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Runny nose

Runny nose: What's causing your sniffles?

Shortness of breath

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Unexplained weight loss

Unexplained weight loss: Symptom — Overview covers possible causes of unexplained weight loss.

Tests and diagnosis

Chest X-rays

Even with today's high-tech medical devices, the basic chest X-ray remains an important tool in diagnosing various conditions. Here's a look at how it works.

Urinalysis

Urinalysis can be used to assess your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

Treatments and drugs

Kidney transplant

A kidney transplant is a surgical procedure done to treat kidney failure.

Dec. 19, 2012