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,...

Abnormal pap

When your doctor says that your Pap test was “abnormal,” it means that the test found some cells on your cervix that do not look normal. It does...

Abrasion

Scrapes or abrasions are skin wounds that rub or tear off skin. Most scrapes are shallow and do not extend far into the skin, but some may remove...

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 skin problem that starts when oil and dead skin cells clog up your pores. Acne can range from mild to severe acne, which can mean...

Acute and chronic pain

Pain is defined as an unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of...

Addiction

Addiction is a strong mental and physical dependence on, most commonly, a drug or other substance. Some substances that can lead to addiction are...

Age-related macular degeneration

Macular degeneration is a disease that causes blurring of the central vision. The blurring happens because of damage to the macula, a small area at...

Alcoholism

Alcohol abuse means having unhealthy or dangerous drinking habits, such as drinking every day or drinking too much at a time. Alcohol abuse can...

Allergic rhinitis

Allergic rhinitis, often called allergies or hay fever, occurs when your immune system overreacts to particles in the air that you breathe—you are...

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...

Alzheimer's disease

Alzheimer's disease is a progressive condition that damages areas of the brain involved in memory, intelligence, judgment, language and behavior....

Amputee

Amputations are done when efforts to save the foot or leg are unsuccessful or the infection is causing extensive tissue damage. In all cases,...

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.

Angina

Angina is a type of chest pain that occurs when there is not enough blood flow to the heart. This is often a result of narrowing of the blood...

Aortic aneurysm

An aortic aneurysm (say “a-OR-tik AN-yuh-rih-zum”) is a bulge in a section of the aorta, the body’s main artery. The aorta carries oxygen-rich...

Aortic valve stenosis

The heart has four chambers. In the lower left chamber (left ventricle), the aortic valve works like a one-way gate. When the heart pumps, 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...

Arrhythmia

An abnormal heartbeat (arrhythmia) is any variation in the normal heartbeat. Abnormal heartbeats occur when the heart has an irregular heart...

Asthma

Asthma is a long-term (chronic) disease of the respiratory system that causes inflammation and spasm or tightening in the bronchial tubes, which...

Atrial fibrillation

Atrial fibrillation (say “A-tree-uhl fih-bruh-LAY-shun”) is an irregular heart rhythm (arrhythmia) that starts in the upper parts (atria) of the...

Atrial septal defect (ASD)

Atrial septal defects (ASDs) are a group of rare disorders of the heart that are present at birth (congenital) and involve a hole in the wall...

Attention deficit hyperactivity disorder (ADHD)

Attention deficit hyperactivity disorder (ADHD) is a condition in which a person has trouble paying attention and focusing on tasks, tends to act...

Back and neck pain

Most people have back and neck pain from time to time. Some people have ongoing pain that gets in the way of their everyday activities. Either way,...

Bladder infection

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

Bladder prolapse

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

Bleeding, rectal

Many people have small amounts of rectal bleeding. Irritation of the rectum from diarrhea or constipation, a small hemorrhoid, or an anal fissure...

Blood clots

A blood clot (a clump of blood) that forms in a vein and causes inflammation is called thrombophlebitis. Symptoms include pain, tenderness, warmth,...

Blood in stool, melena

Blood in the stool may be the only symptom of colorectal cancer, but not all blood in the stool is caused by cancer. Other conditions that can...

Bowel incontinence

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

Breast health

A breast self-examination (BSE) involves checking your breasts to help detect breast problems or changes. Many breast problems are first discovered...

Breast lump

Breast lumps are common, especially in women ages 30 to 50. A number of conditions can result in a lump or lumps in your breast. Most of these...

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...

Burns

Heat burns (thermal burns) are caused by fire, steam, hot objects, or hot liquids. Scald burns with hot liquid are the most common burns to...

Bursitis

Bursitis is a painful swelling of a small sac of fluid called a bursa. Bursae (plural of bursa) cushion and lubricate areas where tendons,...

Calluses and corns

Calluses and corns are areas of thick, hardened, dead skin. They form to protect the skin and structures under the skin from pressure, friction,...

Cerumen impaction

Earwax (cerumen) is normally produced only in the outer half of the ear canal and will not become deeply impacted unless it is pushed in. The ear...

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 dysplasia

Cervical dysplasia is a term used to describe abnormal cervical cells taken during the Pap smear. Cervical dysplasia is usually graded according to...

Cervicitis

Cervicitis is an inflammation of the cervix, most often caused by infection. Symptoms of cervicitis include an unusual vaginal discharge or...

Chest pain

Chest discomfort or pain is a key warning symptom of a heart attack. If you have any of symptoms of a heart attack, call 911 immediately. Most...

Chickenpox

Chickenpox is a common illness that causes an itchy rash and red spots or blisters (pox) all over the body. It is most common in children, but most...

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...

Chronic kidney disease

Chronic kidney disease occurs when damage to the kidneys causes reduced kidney function. Kidney disease has usually been present for many years and...

Chronic ischemic heart disease

Chronic ischemic heart disease is a condition that causes reduced circulation of blood to the heart.

Chronic obstructive pulmonary disease (COPD)

COPD is a lung disease that makes it hard to breathe. It is caused by damage to the lungs over many years, usually from smoking.

Cleft palate

Cleft palate is a treatable birth defect. It happens when the roof of the baby's mouth (palate) does not develop normally during pregnancy, leaving...

Colic

All babies cry, but sometimes a baby will cry for hours at a time, no matter what you do. This extreme type of crying in a baby between 3 weeks and...

Colon polyps

Colon polyps are growths in the colon or rectum. The cause of most colon polyps is not known. A certain type of polyp called an adenomatous polyp...

Congestive heart failure

Heart failure is a condition in which the lower chambers of the heart (ventricles) are not able to pump blood effectively. When the heart muscle...

Conjunctivitis

Pinkeye is redness and swelling of the lining of the eyelid and eye surface. The lining is called the conjunctiva, and pinkeye is also called...

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...

Contact dermatitis

Contact dermatitis is an acute or chronic skin inflammation triggered by substances that come in contact with the skin. Affected individuals may...

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...

Coronary artery disease

Coronary artery disease is caused by the buildup of plaque on the inside of the coronary arteries, the blood vessels that supply oxygen-rich blood...

Cough

Coughing is your body's way of getting foreign substances and mucus out of your lungs and upper airway passages. Coughs are often useful, and you...

Croup

Croup is a common respiratory problem in young children. It tends to occur in the fall and winter. Its main symptom is a harsh, barking cough....

Cyst of ovary, follicular

An ovarian cyst is a fluid-filled sac that contains a maturing egg. A follicular cyst occurs when a sac on the ovary does not release an egg, and...

Decubitus ulcer

A pressure sore (bed sore) is an injury to the skin and/or the tissues under the skin. Constant pressure on an area of skin reduces blood supply to...

Degenerative disc disease

Degenerative disk disease (DDD) is not really a disease but a term used to describe the normal changes of the disks in the spine as a person ages....

Dementia

Dementia is a loss of mental skills that affects your daily life. It can cause problems with your memory and how well you can think and plan....

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...

Depression

Depression is an illness that causes you to feel sad, to lose interest in activities that you've always enjoyed, to withdraw from others, and to...

Developmental delay

Developmental delays are present when a child does not demonstrate abilities and skills commonly found in other children in the same age group....

Developmental disability

Developmental disabilities are a group of problems that often include difficulty with physical, intellectual (thinking and reasoning), social or...

Diabetes

Diabetes is a lifelong condition in which sugar (glucose) remains in the blood rather than entering the body’s cells to be used for energy. This...

Diabetic foot problems

When you have diabetes your feet need extra care and attention. Diabetes damages the nerve endings and blood vessels in your feet, making you less...

Diabetic neuropathy

Neuropathy means nerve disease or damage. Diabetic neuropathy is nerve damage caused by diabetes. People with diabetes often have high blood sugar...

Diabetic retinopathy

Retinopathy is a disease of the retina. The retina is the nerve layer that lines the back of your eye. It is the part of your eye that “takes...

Diabetic wounds

Diabetes can affect the body's immune system, impairing the ability of white blood cells to come to the site of an infection, stay in the infected...

Diaper rash

Diaper rash (diaper dermatitis) is a skin problem caused by the skin staying wet, rubbing from the diaper, and contact with chemicals in the urine...

Diarrhea

Diarrhea occurs when there is an increase in the number of bowel movements or bowel movements are more watery and loose than normal. When the...

Digestive issues

“Indigestion” refers to any number of gastrointestinal complaints, which can include gas (belching, flatulence, or bloating) and upset stomach....

Dilated cardiomyopathy

Dilated cardiomyopathy is a serious condition that weakens your heart muscle and causes it to stretch, or dilate. When your heart muscle is weak,...

Dizziness

Dizziness is a word that is often used to describe two different feelings. It is important to know exactly what you mean when you say "I feel...

Ectopic pregnancy

In a normal pregnancy, a fertilized egg travels through a fallopian tube to the uterus. The egg attaches in the uterus and starts to grow. But in...

Eczema, atopic dermatitis

Atopic dermatitis, sometimes called eczema, is a skin problem that causes dry skin, intense itching, and then a red, raised rash. It's most common...

Elbow injury

Everyone has had a minor elbow injury. You may have bumped your "funny bone" at the back of your elbow, causing shooting numbness and pain. The...

Limb swelling

Swelling is an increase in the size or a change in the shape of an area of the body. Swelling can be caused by collection of body fluid, tissue...

Emphysema

Emphysema is a long-term (chronic), irreversible lung disease that occurs when the tiny air sacs in the lungs are damaged, usually as a result of...

Endocarditis

Endocarditis is an infection of the heart's valves or its inner lining (endocardium). It is most common in people who have a damaged, diseased, or...

Endometriosis

Endometriosis (endo) is a puzzling hormonal and immune disease affecting girls and women from as young as eight to postmenopause. In endo, tissue...

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 a term used to describe a child who seems to be gaining weight or height more slowly than other children of his or her age and...

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.

Female infertility

Infertility is defined by doctors as the failure to become pregnant after a year of unprotected intercourse. It can be caused by sex-hormone...

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...

Fever, Age 11 and Younger

Fever is the body's normal and healthy reaction to infection and other illnesses, both minor and serious. Fevers help the body fight infection....

Fever, Age 12 and Older

Fever is the body's normal and healthy reaction to infection and other illnesses, both minor and serious. It helps the body fight infection. Fever...

Fibrocystic breasts

Many women have breasts that feel lumpy, thick and tender, especially right before their periods. These symptoms are called fibrocystic breast...

Fibroid uterus

Uterine fibroids are lumps that grow on the uterus. Your doctor may call them fibroid tumors, leiomyomas or myomas. Fibroids are not cancer. You do...

Fibromyalgia

Fibromyalgia is widespread pain in the muscles and soft tissues above and below the waist and on both sides of the body. Fibromyalgia is a...

Finger, hand and wrist injuries

At one time or another, everyone has had a minor injury to a finger, hand or wrist that caused pain or swelling. Most of the time our body...

Fistula

A fistula is a passage or hole that has formed between: Two organs in your body. An organ in your body and your skin. A fistula that...

Fractures

A fracture is a break in a bone. Fractures can range from a hairline crack in the bone to the bone being broken into two or more pieces that...

Frozen shoulder

Frozen shoulder (adhesive capsulitis) is stiffness, pain and limited range of movement in your shoulder  that may follow an injury. The tissues...

Gallbladder disease

The gallbladder is a small sac found just under the liver. It stores bile made by the liver. Bile helps you digest fats. Bile moves from the...

Gas/bloating

Gas (flatus) is made in the stomach and intestines as your body breaks down food into energy. All people pass gas, some people more than others. It...

Gastritis

Chronic, Erosive Gastritis is characterized by many inflamed lesions in the mucous lining of the stomach. It may be a transitory or a chronic...

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...

Gestational diabetes

If your blood sugar level first becomes too high when you are pregnant, you have gestational diabetes. It usually goes away after the baby is...

Glaucoma

Glaucoma is the name for a group of eye diseases that damage the optic nerve. The optic nerve, which carries information from the eye to the brain,...

Glucose intolerance

Prediabetes is a term that is used when you are at risk for Type 2 diabetes. It means that your blood sugar is higher than it should be. Most...

Gluten intolerance

Celiac disease is a digestive disorder characterized by intolerance to dietary gluten, which is a protein found in wheat, rye and barley....

Gout

Gout is an inflammatory joint disease that causes acute pain and swelling. It is a form of arthritis that develops when uric acid crystals form in...

Headaches

Headaches are one of the most common pain-related health problems in both children and adults. You may have a headache along with another minor...

Hearing loss

Hearing loss is a sudden or gradual decrease in how well you can hear. Depending on the cause, it can range from mild to severe and can be...

Heart attack

A heart attack—also called myocardial infarction or MI—occurs when an area of heart muscle is completely deprived of blood, and the heart muscle...

Heart disease

Heart disease is the leading cause of death in the United States. It is an umbrella term, made up of a variety of different diseases affecting the...

Heart murmur

A heart murmur is an extra sound that the blood makes as it flows through the heart. Your doctor uses a stethoscope to listen to your heartbeat....

Heartburn

Heartburn is a feeling of burning, warmth, heat or pain that often starts in the upper abdomen just beneath the lower breastbone. This discomfort...

Hemochromatosis

Hemochromatosis happens when too much iron builds up in the body. Your body needs iron to make hemoglobin, the part of your blood that carries...

Hemoglobin A1c

Hemoglobin A1c is a test that shows the average level of blood sugar over the past two to three months. People with diabetes need to have this test...

Hemorrhoids

Hemorrhoids are swollen veins in the anal canal. This common problem can be painful, but it’s usually not serious. Veins can swell inside the anal...

Hepatitis

Hepatitis A is a liver infection caused by a virus. It goes away on its own in almost all cases. Hepatitis A does not lead to long-term liver...

Hernia, hiatal

A hernia is a bulge of intestine, another organ, or fat through the muscles of the belly. A hernia can occur when there is weakness in the muscle...

Herniated disk

The bones (vertebrae) that form the spine in your back are cushioned by small, spongy disks. When these disks are healthy, they act as shock...

High blood pressure

High blood pressure, or hypertension, is a condition in which the force of blood against artery walls is too strong. Over time, high blood pressure...

High blood sugar

If your blood sugar levels are consistently 200 milligrams per deciliter (mg/dL) to 350 mg/dL, you may have mild symptoms of high blood sugar. You...

High cholesterol

Cholesterol is an important type of fat (lipid) that is made by the body and is necessary for it to function. It also is found in foods that are...

Hives

Hives (urticaria) are an allergic reaction of the skin that may last a few minutes or can persist for a few days. They appear as raised, red, itchy...

Human papillomavirus

A human papillomavirus (HPV) test is done to find a high-risk HPV infection in women. HPV is a sexually transmitted disease (STD). An HPV test...

Hypoglycemia

Hypoglycemia is a common condition characterized by an abnormally low blood sugar (glucose) level. Glucose is an important fuel for the body. A low...

Hypothyroidism

Hypothyroidism means your thyroid is not making enough thyroid hormone. The thyroid is a butterfly-shaped gland in the front of your neck. It makes...

Immunodeficiency

HIV (human immunodeficiency virus) is a virus that attacks the immune system, the body’s natural defense system. Without a strong immune system,...

Impotence

Impotence, also known as erectile dysfunction, occurs when a man cannot achieve or keep an erection that is firm enough for sexual intercourse....

Infant sleep apnea

Apnea is a term used to describe the temporary absence of spontaneous breathing. Infantile apnea occurs in children under the age of one year....

Inflammatory-bowel disease

Inflammatory bowel disease (IBD) is a condition that causes ongoing inflammation of the intestines. The condition can affect only the large...

Influenza (Seasonal flu)

Influenza (flu) is a viral infection. People often use the term "flu" to describe any kind of mild illness, such as a cold or a stomach virus that...

Ingrown toenail

An ingrown toenail is a toenail that has grown into the skin instead of over it. This usually happens to the big toe, but it can also happen to...

Inguinal hernia

A hernia is a bulge of intestine, another organ, or fat through the muscles of the belly. A hernia can occur when there is weakness in the...

Insect bite

Insect bites often cause minor swelling, redness, pain and itching. These mild reactions are common and may last from a few hours to a few days....

Insomnia

Insomnia is a common sleep problem that can affect your quality of life. People with insomnia have trouble falling asleep or staying asleep. They...

Irritable bowel syndrome

Irritable bowel syndrome (IBS) is a disorder of the intestines. It causes belly pain, cramping or bloating and diarrhea or constipation. Irritable...

Jaundice

Jaundice is a condition that makes a newborn’s skin and the white part of the eyes look yellow. It happens because there is too much bilirubin in...

Joint dislocation

A dislocation occurs when a bone is pulled or pushed out of place (out of its normal relationship to the other bones that make up a joint). This...

Kidney stones

Kidney stones are made of salts and minerals in the urine that stick together to form small "pebbles." They are usually painless while they remain...

Knee injuries

Most people have had a minor knee problem at one time or another. Most of the time our body movements do not cause problems, but it's not...

Lactose intolerance

Lactose intolerance means the body cannot easily digest lactose, a type of natural sugar found in milk and dairy products. When lactose moves...

Liver disease

Liver diseases can include cirrhosis, infections (such as hepatitis) and liver tumors.

Localized swelling

Swelling is an increase in the size or a change in the shape of an area of the body. Swelling can be caused by collection of body fluid, tissue...

Low amniotic fluid

Amniotic fluid has cells that have been shed by your developing fetus. The cells are checked for the number and size of chromosomes (karyotype) to...

Low birth weight

Babies born weighing less than 5 1/2 pounds are considered low birthweight, and are at increased risk for serious health problems as newborns,...

Maternal alcohol or drug use

Alcohol and drugs can cause problems for you during your pregnancy and when it is time for your baby to be born. They can also affect your baby...

Measles

Measles is a very contagious infection that causes a rash all over your body. It is also called rubeola or red measles. It is very rare in the...

Memory loss

Most people assume that it is normal for a person to lose memory as he or she ages. It's not normal, but it is common. Memory loss causes real...

Meningitis

Meningitis is an infection of the coverings around the brain and spinal cord. The infection occurs most often in children, teens, and young adults....

Meningococcal disease

Meningococcemia is a rare infectious disease characterized by upper respiratory tract infection, fever, skin rash and lesions, eye and ear...

Menopause

Menopause is the cessation of the monthly female menstrual cycle. Women who have not had a menstrual period for a year are considered...

Menstrual cramps

Dysmenorrhea is painful menstruation. It is classified as either primary or secondary. Primary dysmenorrhea generally occurs within a couple of...

Menstruation problems

The menstrual cycle is the series of changes a woman's body goes through to prepare for a pregnancy. About once a month, the uterus grows a new...

Epilepsy

Epilepsy causes repeated seizures and is one of the most common neurological condition. The seizures are caused by bursts of electrical activity...

Multiple sclerosis

Multiple sclerosis, often called MS, is a disease that affects the central nervous system—the brain and spinal cord. It can cause problems with...

Parkinson's disease

Parkinson's disease affects the way you move. It happens when there is a problem with certain nerve cells in the brain. Normally, these nerve...