In-depth

Adult Still's disease

Daily fevers, achy joints and an intermittent, salmon-pink rash may be an indication that you have a rare inflammatory disorder called adult Still's disease.

Aspergillosis

Bone spurs

Brucellosis

Brucellosis is an infectious disease that spreads from animals to people, mainly via unpasteurized dairy products. Travelers should take special care to avoid infection.

Bursitis

Cancer

Celiac disease

Celiac disease is an immune reaction to gluten, a protein found in certain foods. As a result, the body is unable to absorb some important nutrients.

Chronic fatigue syndrome

Churg-Strauss syndrome

Churg-Strauss syndrome is a rare disorder marked by blood vessel inflammation that affects organs throughout the body. Asthma is the most common sign.

Complex regional pain syndrome

Complex regional pain syndrome is a chronic, painful disease that typically affects an arm or leg that was recently injured or infected.

Dengue fever

Diabetic neuropathy

Dislocation

A blow to your joint can dislocate the bones that meet at that joint. Don't try popping them back into place yourself. Get medical help.

Ebola virus and Marburg virus

Ehrlichiosis

Encephalitis

Encephalitis is inflammation of the brain usually caused by a viral infection. Severe cases can cause brain damage, even death.

Gonorrhea

Gonorrhea is a highly contagious sexually transmitted infection. Without treatment, serious complications can occur.

Hemophilia

Hepatitis B

Hepatitis C

Histoplasmosis

HIV/AIDS

Hypercalcemia

Jellyfish stings

Kawasaki disease

Kawasaki disease — the leading cause of acquired coronary disease in children — causes artery wall inflammation throughout the body. It affects children younger than age 5.

Lupus

Lyme disease

Manage the pain of rheumatoid arthritis

Mixed connective tissue disease

Myocarditis

Parvovirus infection

Polio

One of the most feared diseases of the 20th century, polio has been eradicated from the developed world but remains a threat in less developed nations.

Polymyositis

Post-polio syndrome

Premenstrual syndrome (PMS)

Protect your joints as you clean when you have rheumatoid arthritis

Pseudogout

Pulmonary fibrosis

Pulmonary fibrosis results from scar tissue that forms in your lungs. This affects your ability to breathe and obtain enough oxygen.

Reactive arthritis

Reactive arthritis is an inflammatory condition that develops in response to an infection in another part of your body.

Rheumatic fever

Rheumatic fever, an inflammatory disease triggered by untreated or poorly treated strep throat, can cause permanent heart damage.

Rubella

Sjogren's syndrome

Staph infections

Takayasu's arteritis

Takayasu's arteritis is an uncommon form of vasculitis that affects the large arteries.

Valley fever

Vasculitis

Wilson's disease

March 21, 2013