Conditions list medically reviewed by George Krucik, MD, MBA
Depression is classified as a mood disorder. It may be described as feelings of sadness, loss, or anger that interfere with a person's everyday activities. It is…
Learn more about anxiety with this overview of anxiety disorders.
Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.
If left untreated, HIV can lead to AIDS. AIDS weakens your immune system to the point where it can no longer fight off disease and infection. Learn more.
Low blood sodium, or hyponatremia, occurs when water and sodium are out of balance in your body. It can cause weakness, headache, nausea, and muscle cramps.
Hypercalcemia is a condition in which you have too much calcium in your blood.
Acute stress disorder (ASD) may develop after a traumatic event, and it can last up to one month. Learn about the symptoms of ASD.
Teething syndrome is a normal process that infants go through when teeth break through their gums. Babies normally start teething when they are 6 months old.
In women, fluctuating hormone levels are a major contributing factor in chronic headaches and menstrual migraines. Learn about causes, treatment, and prevention.
Celiac disease is a digestive disorder caused by an abnormal immune reaction to gluten. Learn about celiac disease systems, diagnosis, and treatment.
A pinworm infection is a highly contagious type of human intestinal worm infection.
Meningitis can affect you differently depending on your age. Learn more about the symptoms and risk factors for each age group.
Migraine is a disorder characterized by repeated attacks of severe headache. Symptoms include throbbing or pulsating pain, usually on only one side of the head, and can…
Alcohol withdrawal syndrome refers to the symptoms experienced when a heavy drinker drastically reduces or stops their alcohol intake.
Bipolar disorder is a mental illness marked by extreme shifts in mood ranging from mania to depression. It is also called bipolar disease or manic depression.
A drug allergy is an allergic reaction to a medication. Find out how to know if you have one and what to do about it.
Taking too much acetaminophen can cause liver damage. Learn about overdose causes, treatment, prevention, and more.
Iron-deficiency anemia is the most common type of anemia and occurs when the body does not have enough iron. The body needs iron to produce hemoglobin.
The pituitary gland is a pea-size gland important to the functioning of the human body. Cancer, although rare, can develop in this gland.
MRSA is an infection caused by a type of staph bacteria that's resistant to many different antibiotics. Learn about its symptoms, causes, and treatment.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.