Related Conditions

Abdominal Pain, Age 12 and Older

The cause of abdominal problems can be hard to pinpoint. Sometimes minor and serious abdominal problems start with the same symptoms. Fortunately,...

Abscess

An abscess is a pocket of pus that forms at the site of infected tissue. An abscess can form on the skin or on tissues within the body and cause...

Acne

Acne is a disorder of the hair follicles and sebaceous glands. With acne, the sebaceous glands are clogged, which leads to pimples and cysts.

Acute dacryocystitis

Tears normally drain from the eye through small tubes called tear ducts that stretch from the eye into the nose. A blocked tear duct occurs when...

Allergies

For most people, allergies mean itchy eyes and a drippy nose. But for a few people, allergies to things like bee stings or nuts cause a whole-body reaction that can be life-threatening. Whether your allergies are dangerous or just annoying, the information in our Learning Center can help you cope.

Altered mental status

Delirium is a sudden change in how well a person's brain is working (mental status). Delirium can cause confusion, change the sleep-wake cycles,...

Anemia

Anemia is a general term for a category of blood conditions that affect the red blood cells or the oxygen-carrying hemoglobin they contain.

Anorexia

Anorexia nervosa is a potentially life-threatening disorder characterized by self-starvation and weight loss. There are two subtypes. In the...

Appendicitis

What is appendicitis? Appendicitis is one of the causes of serious belly pain. It happens when the appendix becomes infected and inflamed. The...

Asthma

Asthma is a long-term disease of the airways of the lung. The airways become sensitive to triggers (allergens and irritants).

Balanoposthitis

In the uncircumcised male, balanitis (inflammation of the glans, the rounded head of the penis) and posthitis (inflammation of the foreskin) occur...

Bladder infection

Urinary tract infections (UTIs) are infections of the kidney, bladder and urethra. UTIs are generally triggered by bacteria and are more...

Painful bladder syndrome

Painful bladder syndrome is a chronic, painful inflammatory condition of the bladder wall characterized by pressure and pain above the pubic area...

Bladder prolapse

Two common forms of pelvic organ prolapse are bladder prolapse (cystocele) and urethral prolapse (urethrocele). A cystocele occurs when the wall...

Bowel incontinence

Fecal incontinence is the leakage of stool (feces) from the anus. Fecal incontinence can be caused by constipation, diarrhea, anxiety or other...

Bronchitis

Bronchitis means that the tubes that carry air to the lungs (the bronchial tubes) are inflamed and irritated. When this happens, the tubes swell...

Skin Infections

Detailed information on different types of skin infections, including bacterial, fungal, viral and parasitic skin infections.

Cervical cancer

Cervical cancer occurs when abnormal cells on the cervix grow out of control. The cervix is the lower part of the uterus that opens into the...

Cervical cysts

Cervical cysts, are small bumps that are usually found on the cervix during a pelvic exam. Cervical cysts most often look like tiny,...

Cervical osteoarthritis

Cervical spondylosis is a term used to describe the changes to the bones (vertebrae), joints and discs of the neck (cervical spine) as a result of...

Cholecystitis

Cholecystitis is a redness and swelling (inflammation) of the gallbladder. It happens when a digestive juice called bile gets trapped in your gallbladder.

Cholestasis of pregnancy

Cholestasis is a relatively rare syndrome that results when the flow of bile from the liver is impaired. Bile is a fluid secreted by the liver that...

Colic

Colic is when a healthy baby cries for a very long time, for no obvious reason. It is a common problem that affects some babies during the first 3 to 4 months of life.

Constipation, Age 11 and Younger

Constipation occurs when stools become hard and are difficult to pass. Some parents are overly concerned about how often their child has bowel...

Constipation, Age 12 and Older

Constipation occurs when stools are difficult to pass. Some people are overly concerned with the frequency of their bowel movements because they...

Contusion

Bruises (contusions) occur when small blood vessels under the skin tear or rupture, most often from a twist, bump, or fall. Blood leaks into...

Seizures

Seizures are the only visible symptom of epilepsy. There are different kinds of seizures, and symptoms of each type can affect people differently....

Cough

Health advice for those with a dry cough, with little to no clear-white phlegm; or a wet cough, where there is yellow, green or brown phlegm.

Croup

Croup is a disease that causes swelling in the upper portion of the airway in the neck and problems breathing. Children with croup often have a high-pitched “creaking” or whistling sound when breathing in; this is called stridor.

Dehydration

Dehydration occurs when your body loses too much fluid. This can happen when you stop drinking water or lose large amounts of fluid through...

Diaper Rash

Learn to identify the signs and symptoms of diaper rash - a skin problem caused by the skin staying wet, rubbing from the diaper, and contact with chemicals in the urine and stool, causing skin to look red, raw, scalded, or burned - and when you should call the doctor.

Diarrhea

Diarrhea is the sudden increase in the frequency and looseness of bowel movements (BMs); mild diarrhea is the passage of a few loose or mushy BMs; severe diarrhea is the passage of many watery BMs.

Female sexual dysfunction

A sexual problem means that sex is not satisfying or positive for you. In women, common sexual problems include feeling little or no interest in...

Atypical eating disorders

Atypical eating disorders, or eating disorders not otherwise specified, is a diagnostic term used when many but not all the criteria are met for...

Ectopic Pregnancy

A pregnancy that develops outside the uterus is called an ectopic pregnancy. These usually occur in the fallopian tube, but rarely they are located in an ovary or in the cervix, or even in the abdomen and are most common in women with the endometriosis or who have had tubal surgery.

Enterocele

A rectocele occurs when the end of the large intestine (rectum) pushes against and moves the back wall of the vagina. An enterocele (small bowel...

Gastroesophageal reflux disease (GERD)

Topic Overview This topic is about gastroesophageal reflux disease (GERD) in adults. For information on reflux in babies and children, see...

Excessive menstrual bleeding

Menorrhagia is the medical term for excessive bleeding at the time of the menstrual period, either in number of days or amount of blood or both....

Failure to Thrive

Failure to thrive is defined as slowed down or arrested physical growth and is associated with abnormal growth and development.

False labor

Braxton Hicks contractions are a painless but sometimes uncomfortable tightening of the uterus. The contractions may be mild enough to go unnoticed...

Fatigue

Fatigue is a feeling of tiredness, exhaustion, or lack of energy.

Fever seizures

Fever seizures (sometimes called fever convulsions) are uncontrolled muscle spasms that can occur in children who have a rapid increase in body...

Primary ovarian insufficiency

Primary ovarian insufficiency describes a stop in the normal functioning of the ovaries in a woman younger than age 40.  Women suffering from...

Congenital heart defect

Congenital heart defects are problems with how a baby's heart forms. "Congenital" means that the heart problem develops before the baby is born or...