This disorder includes nervous system symptoms affecting movement or the senses that are not caused by medical disease. Treatment can help with recovery.
Disease
Post-traumatic stress disorder (PTSD)
This mental health condition, which is caused by being part of or witnessing a terrifying event, leads to symptoms that include flashbacks, nightmares and severe anxiety.
Disease
Generalized anxiety disorder
Excessive, ongoing anxiety and worry can interfere with your daily activities and may be a sign of generalized anxiety disorder, but treatment can help.
Disease
Rett syndrome
This rare genetic disorder affects the way the brain develops, causing a progressive inability to use muscles for eye and body movements and language.
Disease
Gangrene
A severe bacterial infection or lack of blood flow can cause body tissue to die. Know the warning signs and symptoms of this life-threatening condition.
Disease
Pulmonary edema
Get more information about the causes of this potentially life-threatening lung condition and learn how to treat and prevent it.
Disease
Viral hemorrhagic fevers
Learn about the symptoms, treatment and prevention of these sometimes deadly diseases.
Disease
Common cold
This common illness of the nose and throat causes a stuffy or runny nose, sore throat, and cough.
Disease
De Quervain tenosynovitis
This painful condition affects the tendons on the thumb side of the wrist. A splint or brace can rest the tendons. Ice also is helpful.
Disease
Canker sore
Canker sore — Learn about the causes, treatment and prevention of this painful mouth sore.
Disease
Chronic cough
A cough that lasts for weeks could be caused by smoking, postnasal drip, asthma, acid reflux, respiratory infections, COPD or another underlying problem.
Disease
Coma
Learn what can cause this state of prolonged loss of consciousness. While a coma rarely lasts longer than a few weeks, some people never wake from one.