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Pseudomembranous colitis
Disease | Updated on December 14, 2022
This inflammatory colon condition is usually caused by the bacterium Clostridioides difficile. The use of high-dose antibiotics may let these germs grow unchecked.
Metatarsalgia
Disease | Updated on November 3, 2021
Metatarsalgia is a condition in which the ball of your foot becomes painful and inflamed. Learn about the causes, treatments and prevention of this injury.
Post-polio syndrome
Disease | Updated on March 23, 2022
This syndrome causes a number of potentially serious symptoms that appear decades after the polio virus.
Exercise headaches
Disease | Updated on May 14, 2022
Learn about the causes and treatments of this puzzling disorder.
Brain tumor
Disease | Updated on April 21, 2023
Find out more about the different types, signs, symptoms and causes of brain tumors, which are growths of cells in the brain.
Pulmonary hypertension
Disease | Updated on July 28, 2023
This lung condition makes the heart work harder and become weak. Changes in genes and some medicines and diseases can cause it. Know if you're at risk.
Patellofemoral pain syndrome
Disease | Updated on March 4, 2023
This pain at the front of the knee is more common in people who run and who play sports that involve running and jumping.
Stool color: When to worry
Answer | Updated on October 8, 2022
Stool color is usually a result of diet and is only rarely a concern.
Undigested food in stool: What does it mean?
Answer | Updated on October 12, 2023
Undigested food in stool generally isn't a problem unless it's accompanied by other symptoms.
Sinus infection and toothache: Any connection?
Answer | Updated on March 7, 2023
Sometimes the cause of a toothache isn't a tooth problem, but a sinus problem.
Liver cysts: A cause of stomach pain?
Answer | Updated on February 16, 2022
Occasionally, liver cysts can cause pain and discomfort in the upper abdomen.
Vicks VapoRub: An effective nasal decongestant?
Answer | Updated on December 7, 2021
Vicks VapoRub is often used as a nasal decongestant. Does it work?
Ricin poisoning
Answer | Updated on April 12, 2023
This deadly poison comes from castor bean plants. The same beans are used to make castor oil.
Radiation sickness
Disease | Updated on November 30, 2022
Read about what happens when someone is exposed to high doses of radiation, and what you can do to prevent such exposure in an emergency.
Humidifier care 101
HealthTip | Updated on June 21, 2023
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Can chicken soup cure a cold?
HealthTip | Updated on June 3, 2022
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Amyotrophic lateral sclerosis (ALS)
Disease | Updated on April 25, 2023
This progressive nervous system disease, also known as Lou Gehrig's disease, destroys nerve cells.
Geographic tongue
Disease | Updated on September 7, 2023
Geographic tongue may look alarming, but it does not cause health issues. Sometimes it can cause tongue pain and make you more sensitive to certain foods.
Eye twitching
Symptom | Updated on February 11, 2023
Most people experience eye twitching now and then, but it's not always harmless. Find out when these spasms might mean something more serious.
Slide show: Office stretches
SlideShow | Updated on December 9, 2021
Office stretches — Boost your energy by stretching tense, tired muscles throughout the workday.
Yellow tongue
Symptom | Updated on March 15, 2018
Yellow tongue: Symptom — Overview covers definition and possible causes of a yellow tongue.
Red eye
Symptom | Updated on March 10, 2023
This eye condition often looks much worse than it feels. Find out possible causes of inflamed, irritated eyes and when to call the doctor.
Cluster headache
Disease | Updated on August 26, 2023
These painful headaches cause severe pain on one side of the head and tend to occur in bouts called cluster periods.
Immune thrombocytopenia (ITP)
Disease | Updated on June 8, 2023
Caused by low levels of platelets, symptoms may include purple bruises called purpura, as well as tiny reddish-purple dots that look like a rash.
Are leg cramps disturbing your sleep?
HealthTip | Updated on March 2, 2023
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Is hydroxychloroquine a treatment for COVID-19?
Article | Updated on September 26, 2023
Hydroxychloroquine does not treat coronavirus disease 19 (COVID-19) or prevent infection with the virus that causes COVID-19.
Familial hypercholesterolemia
Disease | Updated on September 23, 2021
This inherited condition can cause extremely high levels of "bad" cholesterol, even in childhood, and can lead to early heart attacks and death.
Lynch syndrome
Disease | Updated on July 15, 2022
Learn about this condition caused by inherited genes that increase the risk of colon cancer, endometrial cancer and other kinds of cancer.
Peanut allergy
Disease | Updated on March 5, 2022
Peanut allergy can be serious. Find out what you need to know to prevent a life-threatening reaction, and get the latest on treatment approaches.
Penicillin allergy
Disease | Updated on September 29, 2021
Understand the importance of an accurate diagnosis for penicillin allergy and the best practices for antibiotic treatment options.
10 ways to control high blood pressure without medication
Article | Updated on July 12, 2022
You can lower your blood pressure without medication. Try these 10 lifestyle changes.
Heart attack symptoms: Know what's a medical emergency
Article | Updated on June 28, 2022
Watch for these heart attack symptoms.
Vasodilators
Article | Updated on August 9, 2023
Learn how these blood pressure medicines work, what else they treat and the potential side effects.
Blood pressure tip: Get more potassium
HealthTip | Updated on September 15, 2022
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Caffeine: How does it affect blood pressure?
Answer | Updated on December 16, 2022
Caffeine can temporarily increase blood pressure, but its long-term effects on blood pressure are unclear.
Fingernails: Do's and don'ts for healthy nails
Article | Updated on January 22, 2022
Find out the signs of a problem with your fingernails, plus tips for taking care of them.
Tattoos: Understand risks and precautions
Article | Updated on February 25, 2022
Allergic reactions, skin infections and bloodborne disease are all possible tattoo complications. Know how to protect yourself.
Pityriasis rosea
Disease | Updated on October 11, 2022
Learn more about the symptoms, causes and treatment of this large rash common among teens and young adults.
Poison ivy rash
Disease | Updated on August 11, 2023
Learn about the symptoms, causes and home remedies for this itchy skin rash and how to prevent it.
Sun allergy
Disease | Updated on August 20, 2022
Learn more about the causes, symptoms and treatment of this itchy rash that is an allergic reaction to sunlight.
Tinea versicolor
Disease | Updated on May 4, 2022
Learn about the symptoms, causes, treatments of this common skin infection that usually responds to treatment.
Peeling skin
Symptom | Updated on June 21, 2022
Overview covers definition and possible causes of peeling skin. Includes photos
Aerobic exercise: How to warm up and cool down
Article | Updated on August 31, 2023
Learn how to warm up and cool down the safe way.
Performance-enhancing drugs: Know the risks
Article | Updated on June 27, 2023
Learn about the health risks of doping in athletes.
Do you need to warm up before you exercise?
HealthTip | Updated on October 6, 2021
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Using a fitness ball? Pick the right size
HealthTip | Updated on September 14, 2021
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Shin splints
Disease | Updated on October 16, 2021
Shin splints are common in runners, dancers and military recruits. Learn how modifying your exercise routine can help prevent shin splints from recurring.
Video: Biceps curl with resistance tubing
Video | Updated on February 14, 2023
The biceps curl builds strength in the upper arm. See how it's done.
Video: Reverse fly with dumbbell
Video | Updated on February 14, 2023
The reverse fly exercise targets the upper back. See how it's done.
Video: Bent-over row with dumbbell
Video | Updated on February 14, 2023
The bent-over row targets the back of the shoulder. See how it's done.
Video: Bridge with fitness ball
Video | Updated on April 6, 2023
You can do many core exercises with a fitness ball. See the bridge.
Video: How irritable bowel syndrome affects you
Video | Updated on September 14, 2022
Watch this irritable bowel syndrome video to learn how IBS can affect you.
Quitting smoking: 10 ways to resist tobacco cravings
Article | Updated on May 28, 2022
Each time you resist a tobacco craving, you're one step closer to stopping tobacco use for good. Use these tips to fight off cravings.
What are superbugs and how can I protect myself from infection?
Answer | Updated on March 22, 2022
Some bacteria and other germs are resistant to most types of antibiotics and medications that treat them. Find out the risks and how to prevent infections.
Asthma and acid reflux: Are they linked?
Answer | Updated on March 30, 2023
A Mayo Clinic expert discusses how acid reflux can make asthma worse.
H1N1 flu (swine flu)
Disease | Updated on March 23, 2023
Find out more about flu caused by the H1N1 virus. Learn how to prevent and treat the flu.
Flu vaccine: Safe for people with egg allergy?
Answer | Updated on October 24, 2023
If you have egg allergy, you still may be able to receive the flu vaccine.
Heart cancer: Is there such a thing?
Answer | Updated on April 23, 2022
Although heart tumors do occur, the vast majority of them are noncancerous (benign).
What's the difference between H1N1 flu and influenza A?
Answer | Updated on September 15, 2023
H1N1 flu is a subcategory of influenza A.
Ministroke vs. regular stroke: What's the difference?
Answer | Updated on April 14, 2023
The term "ministroke" typically refers to a transient ischemic attack.
Atypical cells: Are they cancer?
Answer | Updated on September 16, 2022
Atypical cells appear abnormal, but they aren't necessarily cancerous.
Walking pneumonia: What does it mean?
Answer | Updated on February 8, 2023
Walking pneumonia is a mild bacterial infection that resembles a cold. It usually does not require bed rest or a hospital stay.
Dilated cardiomyopathy
Disease | Updated on May 4, 2022
In this heart muscle disease, the heart's main pumping chamber stretches and can't pump blood well. Learn about the causes and treatment.
Swollen knee
Disease | Updated on June 16, 2022
This condition can be caused by trauma, overuse injuries, or an underlying disease or condition. A fluid sample from the knee may be needed for diagnosis.
Fever treatment: Quick guide to treating a fever
Article | Updated on February 26, 2022
Should you treat a fever or let it run its course? Here's help making the call.
Dupuytren contracture
Disease | Updated on September 28, 2023
This condition causes one or more fingers to bend toward the palm of the hand. The affected fingers can't straighten completely.
Slide show: Guide to gourmet salt
SlideShow | Updated on September 14, 2021
Gourmet salt can be found in the kitchens of chefs and home cooks alike. See why.
Nonprescription acne treatment: Which products work best?
Article | Updated on July 21, 2022
Find out how acne treatments you can buy at the store differ, what main ingredients to look for and how to use them for best results.
Fractures (broken bones): First aid
FirstAid | Updated on March 22, 2022
How to administer first aid for a fracture (broken bone).
Astrocytoma
Disease | Updated on May 18, 2023
Learn about this type of cancer that can occur in the brain or spinal cord.
Dislocated shoulder
Disease | Updated on August 23, 2022
This shoulder injury, which occurs in the body's most mobile joint, causes the upper arm bone to pop out of its socket.
Mayo Clinic Minute: Prevent migraines with magnetic stimulation
Video | Updated on June 13, 2018
Find out how this device uses magnetic stimulation to help treat and prevent debilitating migraine headaches.
Prenatal care: 2nd trimester visits
Article | Updated on August 4, 2022
Prenatal care can help ensure a healthy pregnancy. Here's an overview of second trimester visits.
Birth control options: Things to consider
Article | Updated on February 16, 2022
Birth control options — Consider these questions before choosing a method of birth control.
Fetal development: The 3rd trimester
Article | Updated on June 3, 2022
Fetal development continues as your due date approaches. The countdown is on!
Women's sexual health: Talking about your sexual needs
Article | Updated on December 6, 2022
Women's sexual health — Tips for talking about your sexual needs and achieving fulfillment.
Cervicitis
Disease | Updated on January 31, 2023
Sexually transmitted infections are often the reason why a woman develops inflammation of the cervix, which can cause abnormal discharge and bleeding.
HER2-positive breast cancer: What is it?
Answer | Updated on December 7, 2022
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
Birth control pills: Harmful in early pregnancy?
Answer | Updated on August 16, 2022
If you took birth control pills before you knew you were pregnant, the risks of birth defects are low.
Vaginal discharge
Symptom | Updated on April 25, 2023
Learn what to expect when it comes to vaginal discharge. And know when changes in discharge might mean you should see a health care provider.
South Beach Diet
Article | Updated on June 9, 2023
Weighing your weight-loss options? The South Beach Diet emphasizes lower carbs, more proteins and healthy fats to lose pounds.
Phentermine for weight loss
Answer | Updated on November 2, 2022
This prescription medicine can help with weight loss when combined with a healthy diet and exercise.
Piercings: How to prevent complications
Article | Updated on February 26, 2022
Piercings are popular, but the risks are real. Know how to prevent an infection.
Avoid swimmers' itch: Watch where you swim
HealthTip | Updated on December 16, 2022
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Is stress to blame for hair loss?
HealthTip | Updated on June 13, 2023
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Don't believe shaving myths
HealthTip | Updated on December 23, 2021
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Shave better to reduce ingrown hairs
HealthTip | Updated on May 17, 2022
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Animal bites: First aid
FirstAid | Updated on November 4, 2022
How to administer first aid for an animal bite.
Chemical burns: First aid
FirstAid | Updated on June 7, 2022
How to recognize and administer first aid for minor to serious chemical burns.
Snakebites: First aid
FirstAid | Updated on August 9, 2023
If a snake bites you, call 911 or your local emergency number right away, and then take these first-aid steps.
Keratosis pilaris
Disease | Updated on December 23, 2022
Find out more about this harmless, nonpitch skin condition that causes bumpy, rough skin on the upper arms, thighs or buttocks.
Central-acting agents
Article | Updated on August 16, 2023
Learn how these blood pressure medicines work, what else they treat and the possible side effects.
Antidepressants: Another weapon against chronic pain
Article | Updated on September 7, 2019
Antidepressants are a staple in the treatment of many chronic pain conditions, including arthritis, nerve damage, headache and low back pain.
3rd trimester pregnancy: What to expect
Article | Updated on March 9, 2022
Third trimester pregnancy can bring Braxton Hicks contractions, backaches and hemorrhoids as you await the start of labor.
Bipolar disorder and alcoholism: Are they related?
Answer | Updated on April 4, 2019
The link isn't clearly understood, but these disorders often occur together. Get help from a mental health professional who's an expert in both disorders.
What are opioids and why are they dangerous?
Answer | Updated on August 26, 2023
Opioids are a broad group of medicines used to relieve pain. Although these medicines are effective, they can lead to addiction. Take them only as directed.
LASIK surgery: Is it right for you?
Article | Updated on June 27, 2023
Find out whether you're a good candidate for vision correction through LASIK surgery.
Breast implants: Saline vs. silicone
Article | Updated on December 6, 2022
Trying to decide on a type of breast implants? Here are some answers to common questions.
Working out? Time your meals right
HealthTip | Updated on December 18, 2021
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Merkel cell carcinoma
Disease | Updated on December 6, 2022
Learn about this aggressive skin cancer. Find out about symptoms, diagnosis and treatments, including Mohs surgery, radiation and immunotherapy.
Chronic myelogenous leukemia
Disease | Updated on June 16, 2023
Learn about chronic myelogenous leukemia symptoms and causes. Find out how CML is treated, including targeted therapy and bone marrow transplant.
Chronic kidney disease
Disease | Updated on September 6, 2023
Learn about kidney failure symptoms, tests, diagnosis and treatment options, including medication, dialysis and kidney transplant.
Hyperparathyroidism
Disease | Updated on May 17, 2022
Learn about symptoms, tests and treatment for this condition caused by overactivity of the parathyroid gland.
Don't go cuckoo for coconut water
HealthTip | Updated on August 11, 2021
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
What's considered moderate alcohol use?
HealthTip | Updated on December 11, 2021
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Men, mortality and motor vehicles
HealthTip | Updated on January 18, 2020
Health tips from Mayo Clinic, featuring simple strategies for a healthy lifestyle.
Female infertility
Disease | Updated on August 27, 2021
Learn about infertility in women, including possible causes, what tests might be needed and fertility treatments available to help with getting pregnant.
Polycystic ovary syndrome (PCOS)
Disease | Updated on September 8, 2022
Polycystic ovaries, hormone imbalance and irregular periods are telltale signs and symptoms of polycystic ovary syndrome. Find out about treatments.
Uterine polyps
Disease | Updated on November 15, 2022
Tissue growths inside the uterus can cause abnormal uterine bleeding or infertility. Learn about tests and treatment.
Abnormal sperm morphology: What does it mean?
Answer | Updated on December 21, 2022
Abnormal sperm morphology may be a contributing factor in male infertility.
Vaccines during pregnancy: Are they safe?
Answer | Updated on March 10, 2022
Find out which vaccines you need during pregnancy and which ones to avoid.
Pain and depression: Is there a link?
Answer | Updated on April 3, 2019
Depression can cause unexplained physical symptoms, such as headaches. Chronic pain can cause problems that lead to depression, such as poor sleep.
Is a home sperm test useful?
Answer | Updated on December 21, 2022
Using a home sperm test to check your fertility may not provide a clear answer.
Heart rate: What's normal?
Answer | Updated on October 8, 2022
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
Natural remedies for depression: Are they effective?
Answer | Updated on September 11, 2018
For some people, certain herbal and dietary supplements seem to help with depression, but more studies are needed on their effectiveness and side effects.
Ambien: Is dependence a concern?
Answer | Updated on May 17, 2018
Zolpidem (Ambien) for insomnia is generally safe in the short term, but some people who take it may behave dangerously, such as driving while not awake.
Monosodium glutamate (MSG): Is it harmful?
Answer | Updated on April 20, 2022
Monosodium glutamate (MSG) can trigger headaches and other symptoms in some people.
Discolored semen: What does it mean?
Answer | Updated on November 29, 2022
Find out what causes discolored semen.
Male masturbation: Does frequency affect male fertility?
Answer | Updated on January 7, 2023
Male masturbation has little effect on sperm count or quality.
Glycemic index: A helpful tool for diabetes?
Answer | Updated on June 7, 2022
Some people with diabetes use the glycemic index (GI) as a guide in selecting foods.
CBD: Safe and effective?
Answer | Updated on December 6, 2022
Interested in using CBD? Here's what you need to know about the risks and benefits of using this drug.
Video: Ovulation
Video | Updated on June 23, 2022
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Achilles tendon rupture
Disease | Updated on August 25, 2022
An Achilles tendon rupture is an injury that is usually painful and likely to affect your ability to walk. Surgical repair is sometimes necessary.
Atelectasis
Disease | Updated on November 8, 2023
Atelectasis means a collapse of the whole lung or an area of the lung. It's one of the most common breathing complications after surgery.
Bone metastasis
Disease | Updated on April 27, 2022
Learn about the symptoms and causes of cancer that spreads to the bones. Find out about treatments, including medications, radiation and surgery.
Painful intercourse (dyspareunia)
Disease | Updated on September 17, 2022
Painful intercourse can occur in women for various reasons, ranging from physical problems to emotional concerns. Medications or other therapies may help.
Ejection fraction: What does it measure?
Answer | Updated on February 17, 2023
This measurement, commonly taken during an echocardiogram, shows how well the heart is pumping. Know what results mean.
Tracheostomy
TestProcedure | Updated on October 22, 2019
A surgically created hole in the front of the neck provides an air passage to help breathing when the usual route for breathing is blocked or reduced.
HIDA scan
TestProcedure | Updated on June 2, 2023
Find out what to expect during a HIDA scan — a nuclear imaging procedure used to diagnose liver, gallbladder and bile duct problems.
Hematocrit test
TestProcedure | Updated on September 19, 2023
Learn about this red blood cell blood test, including why it's used and what to expect.
Minimally invasive surgery
TestProcedure | Updated on September 23, 2023
Learn more about laparoscopy or robotic surgical techniques, which may mean less pain and a shorter hospital stay.
Pancreas transplant
TestProcedure | Updated on May 24, 2022
Pancreas transplant offers a potential cure for people with serious complications from diabetes. Learn what to expect before and after this procedure.
Deceased-donor kidney transplant
TestProcedure | Updated on May 4, 2022
Deceased-donor kidney transplant — Find out more about this treatment for end-stage kidney disease and what to expect.
Complete blood count (CBC)
TestProcedure | Updated on January 14, 2023
Learn what to expect from having this common blood test, why it's done and how to prepare.
Ferritin test
TestProcedure | Updated on December 28, 2021
Ferritin is a blood protein that contains iron. A ferritin test shows whether your blood has too much or too little iron.
AV node ablation
TestProcedure | Updated on March 11, 2022
Learn who may benefit from this cardiac catheter procedure to correct persistent atrial fibrillation, or A-fib.
Lung cancer screening
TestProcedure | Updated on February 11, 2022
Doctors recommend lung CT scans to look for signs of lung cancer in current and former heavy smokers. Find out what to expect during lung cancer screening.
Transgender voice therapy and surgery
TestProcedure | Updated on March 24, 2022
Learn how therapy and surgery can help people who are transgender achieve communication styles that match their gender identity.
Brachytherapy
TestProcedure | Updated on November 22, 2022
During brachytherapy cancer treatment, radioactive material is placed inside the body. Find out how brachytherapy is done and who it's for.
Suicide: What to do when someone is thinking about suicide
Article | Updated on August 12, 2023
Take action when you see warning signs that someone is thinking about suicide. Talk with the person. Be sensitive and direct. Urge the person to get help.
Factitious disorder
Disease | Updated on December 14, 2019
Factitious disorder ― a serious mental disorder in which someone deceives others by appearing sick, by purposely getting sick or by self-injury.
REM sleep behavior disorder
Disease | Updated on January 18, 2018
REM sleep behavior disorder is a sleep disorder in which you physically and vocally act out vivid, often unpleasant dreams during REM sleep.
Heel pain
Symptom | Updated on April 5, 2023
Learn about possible causes of this common symptom and what to do about it.
Back pain: Symptom
Symptom | Updated on September 17, 2022
A problem in any part of your spine can cause back pain. Here's a look at some of the causes of this common symptom.
Kidney pain
Symptom | Updated on April 11, 2023
Find out how this type of pain may feel and what health problems can cause it.
Testicle pain
Symptom | Updated on October 19, 2021
If you're experiencing this symptom, an injury or underlying condition may be the culprit.
Video: Need to relax? Take a break for meditation
Video | Updated on April 19, 2022
Meditation — Spend a few minutes on stress reduction with this guided meditation video.
Skin tag
Topic | Updated on September 26, 2023
A common skin growth in which a short, narrow stalk sticks out of the skin.
Sprained thumb
Topic | Updated on October 12, 2023
An injury of the tissue that connects the bones at the base of the thumb.
Subdural hematoma
Topic | Updated on May 24, 2018
A pool of blood between the brain and its outermost covering.
Typhoid fever
Topic | Updated on October 14, 2023
A disease that spreads through food and water or close contact.
Upper gastrointestinal bleeding
Topic | Updated on January 25, 2020
Bleeding in the esophagus, the stomach or the first part of the small intestine.
Uremia
Topic | Updated on June 13, 2017
A condition involving abnormally high levels of waste products in the blood.
Back pain
Topic | Updated on July 18, 2023
Physical discomfort occurring anywhere on the spine or back, ranging from mild to disabling.
Paranoia
Topic | Updated on May 26, 2018
An unrealistic distrust of others or a feeling of being persecuted. Extreme degrees may be a sign of mental illness.
Nodule
Topic | Updated on May 26, 2018
Fluid-filled or solid lump that often doesn't indicate anything serious is wrong.
Mouth ulcer
Topic | Updated on May 26, 2018
One or more painful sores on inner lips, gums, tongue, roof of the mouth, or throat that may interfere with eating, such as a canker sore.
Neck pain
Topic | Updated on July 25, 2023
Pain in the neck and shoulder that varies in intensity. It may feel dull and achy or like an electric shock from the neck to the arm.
Postnasal drip
Topic | Updated on April 12, 2023
Mucus that builds up and drips down the back of the nose and the throat.
Mania
Topic | Updated on May 25, 2018
Extremely elevated and excitable mood usually associated with bipolar disorder.
Lethargy
Topic | Updated on May 24, 2018
A state of weariness that involves diminished energy, mental capacity, and motivation.
Pallor
Topic | Updated on October 28, 2023
A loss of color in the skin and mucous membranes, often related to anemia.
Yawn
Topic | Updated on May 25, 2018
A deep, involuntary breath of air, most often associated with sleepiness.
Ankle pain
Topic | Updated on May 12, 2023
Physical discomfort in the ankle area, often including the joint or the tendon that connects the lower leg to the heel, known as the Achilles tendon.
Seizure
Topic | Updated on May 24, 2018
Uncontrolled jerking, loss of consciousness, blank stares, or other symptoms caused by abnormal electrical activity in the brain.
Angioedema
Topic | Updated on October 27, 2023
Painless swelling under the skin, triggered by an allergy to animal dander, pollen, drugs, venom, food, or medicine.
Stretch marks
Topic | Updated on October 26, 2023
Indented streaks that usually appear on the body from stretching of the skin.
Visual acuity
Topic | Updated on May 25, 2018
The ability to visually identify forms, letters and symbols at a standardized distance away.
Tic
Topic | Updated on May 24, 2018
A compulsive, repetitive sound or movement that’s often difficult to control.
Exudate
Topic | Updated on September 27, 2023
Fluid that leaks from wounds as part of the healing process.
Aura
Topic | Updated on May 25, 2018
Symptoms or sensations, such as flashing lights or zigzag lines, which typically precede migraine headache, seizure, or other neurological events.
Ossification
Topic | Updated on October 25, 2023
The process of bone being formed, which can cause symptoms if bone grows in soft tissue where it doesn't belong.
SSRI discontinuation syndrome
Topic | Updated on June 13, 2017
Symptoms that may occur when stopping SSRI antidepressants.
Being assertive: Reduce stress, communicate better
Article | Updated on May 13, 2022
Learn the importance of assertiveness and how to be more assertive.
Insomnia treatment: Cognitive behavioral therapy instead of sleeping pills
Article | Updated on April 5, 2023
If you find it hard to fall asleep or stay asleep, or you have other long-term sleep problems, behavior therapy can help. Learn what's causing your sleep problems.
EEG (electroencephalogram)
TestProcedure | Updated on May 11, 2022
Brain cells communicate via electrical impulses, activity an EEG detects. An altered pattern can indicate conditions such as epilepsy.
Endoscopic sleeve gastroplasty
TestProcedure | Updated on September 29, 2023
This weight-loss procedure is done using a flexible tube passed down through the throat — with no cuts on the outside of the body.
Liver function tests
TestProcedure | Updated on September 12, 2023
Liver function tests can help determine how well your liver is doing its job. Find out what to expect and what results are considered standard.
Slide show: Radiation therapy treatment planning
SlideShow | Updated on January 1, 2020
Before you begin radiation therapy, your care team leads you through radiation simulation. Learn what's involved in radiation therapy treatment planning.
Low potassium (hypokalemia)
Symptom | Updated on June 23, 2022
Low potassium (hypokalemia): Symptom — Overview covers what can cause this blood test result.
Video: Colonoscopy
Video | Updated on May 28, 2022
See what a doctor sees when you undergo an examination of your colon.
Video: MRI
Video | Updated on August 29, 2023
Having an MRI? Find out what to expect and how to prepare for this common imaging scan.
Alopecia areata
Topic | Updated on October 25, 2023
Sudden hair loss that starts with 1 or more round bald patches that may overlap.
Amebiasis
Topic | Updated on October 11, 2019
A parasitic infection of the colon with the amoeba Entamoeba histolytica.
Amyotrophic lateral sclerosis
Topic | Updated on June 13, 2017
A nervous system disease that weakens muscles and impacts physical function.
Atelectasis
Topic | Updated on June 13, 2017
Complete or partial collapse of a lung or a section (lobe) of a lung.
Avulsion injury
Topic | Updated on June 13, 2017
An injury in which a body part is ripped or torn away.
Bunions
Topic | Updated on November 9, 2023
A bony bump that forms on the joint at the base of the big toe.
Burning mouth syndrome
Topic | Updated on June 13, 2017
Ongoing or recurrent burning in the mouth with no obvious cause.
Carcinoid
Topic | Updated on June 13, 2017
A type of slow-growing cancer that can arise in several places throughout the body.
Cervical cancer
Topic | Updated on August 8, 2023
Cancer of the cervix, the lower part of the uterus connected to the vagina.