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Heat exhaustion and heatstroke are serious conditions. Learn the warning signs of these heat-related illnesses, as well as how to… Nausea or vomiting Fast heartbeat Dark-colored urine, which indicates dehydration In addition to these symptoms, warning signs of heatstroke also include: Fever of 104°F or…

Meningitis is swelling of the tissue around your brain and spinal cord. There are two common types of meningitis: viral… especially through sharing food and drink. Symptoms of meningitis Symptoms are slightly different for viral and bacterial meningitis. Viral meningitis symptoms include: Fever Low energy…

Low back pain is common and has many causes, including injury, pregnancy, even poor posture… your doctor if: Your pain goes down your leg below your knee Your leg, foot, groin, or rectum feel numb You have fever, chills, nausea, vomiting, stomach pain, or weakness You have…

Gastroenteritis is a medical term for a stomach virus. Many people call it the stomach flu. It can strike anyone… other health problems or death. Symptoms of a stomach virus Common symptoms include: Stomach pain Nausea and vomiting Loss of appetite Diarrhea Fever Headache and…

Fifth disease is a mild viral infection that causes a bright red rash on the face. It also has cold-like… risk of getting it again. Symptoms The first signs of fifth disease are mild flu- or cold-like symptoms, including: Low-grade fever Sore throat Headache Stuffy…

Mastitis is an inflammation of the breast usually caused by an infection… on the breast A breast that is warm or hot to the touch A burning sensation while breastfeeding Discharge from the nipple Fever Chills Nausea or vomiting Mastitis usually affects only one breast…

Meckel’s diverticulum is a small pouch on the wall of the lower part of the small intestine that can cause… seen in the stool. In adults, the intestine may become blocked. Symptoms of this are stomach pain and vomiting. Other symptoms include fever, constipation, decreased…

Non-Hodgkin lymphoma is a form of cancer that happens when your white blood cells become abnormal. It can be fatal,… non-Hodgkin lymphoma Possible symptoms include: Swelling of the lymph nodes in your neck, underarm, or groin Noticeable and unexplained weight loss Fever Drenching night sweats…

Addison’s disease is a condition that affects your body’s adrenal glands. It interferes with your body’s ability to produce certain… What is Addison’s disease? Addison's disease is a condition that affects your body's adrenal glands. These glands are located on top of your kidneys…

Tonsillitis is an inflammation of the tonsils that happens when they become infected by a virus or bacteria. It is… What is tonsillitis? Tonsillitis is an inflammatory disease. It occurs when your tonsils become infected by a virus or bacteria. Tonsils are the oval-shaped areas…

Pancreatitis is inflammation (swelling) of your pancreas. The pancreas is a gland near your stomach and liver. It makes digestive… What is pancreatitis? Pancreatitis is inflammation (swelling) of your pancreas. The pancreas is a gland near your stomach and liver. It makes digestive juices,…

Most people who get sick with COVID-19 will recover within a week or even a few days. But for some,… Most people who get sick with COVID-19 will recover within a week or even a few days. But for some, the symptoms of the disease…

Description: Intussusception is a serious problem with the intestine that prevents the passage of food through the intestine… What is intussusception? Intussusception is a serious problem with the intestine. It occurs when one part of the intestine slides into another section. This causes the intestine to…

Learn about mumps and how it can be prevented… What are mumps? Mumps is a virus. It causes the glands around your neck (between your ear and jaw) to swell. These glands make the saliva (spit) that helps you chew and swallow food. Mumps…

Cytomegalovirus (CMV) is a common virus that most people are exposed to as infants. It rarely causes symptoms, but sometimes… What is cytomegalovirus? Cytomegalovirus (CMV) is a common virus. Most people are exposed to the virus as infants. It is that believed most adults…

Interstitial nephritis is a kidney disorder that affects your kidneys’ ability to filter waste and extra fluid… What is interstitial nephritis? Interstitial nephritis is a kidney disorder. The kidneys filter waste and extra fluid from the body. When you have interstitial nephritis, the spaces between tubules (small tubes)…