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Diseases and Conditions

Find doctor-approved information about symptoms, causes, diagnosis, treatment and prevention of common diseases and conditions.

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  • A child’s hand with red and swollen skin around fingernail caused by a skin infection. Paronychia is a skin infection around the nails. It usually affects the skin at the base (cuticle) or up the sides of the nail.

    Paronychia

    Paronychia is a skin infection around the fingernails or toenails. It usually isn’t serious and can be treated at…

  • Overweight female with fat folds under her bra clasp in the back

    Intertrigo

    Intertrigo is a rubbing of the skin in areas where the skin folds and becomes moist.

  • Baby sleeping in a position on his father’s arm to help treat colic

    Colic

    Colic is when your baby cries for longer than 3 hours a day at least 3 days per week. It…

  • COVID-19 is a disease caused by a coronavirus called SARS-CoV-2, which was identified in 2019.

    Coronavirus (COVID-19)

    Learn how to better protect yourself from COVID-19.

  • A woman with hives on the backs of her legs

    Mastocytosis

    Mastocytosis is the abnormal growth of cells from the immune system in your body. It can occur in people of…

  • Lyme Disease: Symptoms, Diagnosis, and Treatment

    Lyme disease is a bacterial infection caused by a tick bite.

  • Poison ivy is a type of toxic plant that can cause an itchy rash. Poison ivy often grows low to the ground, resembling a weed or shrub.

    Poison Ivy Rash (Treatment and Prevention)

    Poison ivy is a type of toxic plant. It is common in most parts of the United States. Poison ivy…

  • a mother breastfeeds her baby

    Mastitis

    Mastitis is an inflammation of the breast usually caused by an infection.

  • A woman with diabetes pricks her finger to test her insulin level. Diabetes is a disease that occurs when your body doesn’t make or use the hormone insulin properly. It causes too much blood glucose (sugar) in the blood.

    Type 1 Diabetes

    Diabetes is a disease that occurs when your body doesn’t make or use the hormone insulin properly.

  • Female therapist working with young boy on floor

    Asperger's Syndrome

    Asperger’s syndrome is a developmental disorder affecting speech and behavior.

  • View of a man’s spinal column through the back of his shirt

    Spinal Cord Injury

    Common causes of spinal cord injury include falling, sports-related events, car accidents, and diseases such as polio or spina…

  • Hand Massage to help pain in the finger joints.

    Scleroderma

    Scleroderma is a rare autoimmune disorder. There are 2 types of scleroderma. One type affects the skin. The other type…

  • A doctor listens to a patient’s lungs with a stethoscope. Pneumonia is an infection of the lungs usually caused by bacteria or a virus. Walking pneumonia is a mild case of pneumonia.

    Pneumonia

    Pneumonia is an infection of the lungs. How serious it is depends on what caused the pneumonia, your age, and…

  • Pressure Sores

    Pressure sores are sores on your skin. They’re usually caused by being in a bed or wheelchair nearly all the…

  • Cervical Dysplasia

    Cervical dysplasia is when there are abnormal, or precancerous, cells in and around a woman’s cervix. This doesn’t mean you…

  • Sick Sinus Syndrome

    Sick sinus syndrome is the name for several conditions in which your heart doesn’t work the correct way. Your heart…

  • Pulmonary Hypertension

    Pulmonary arteries are the blood vessels that carry blood from your heart to your lungs. These arteries can narrow or…

  • Man holding condom in one hand and blue pill in the other

    Erectile Dysfunction (ED)

    Erectile dysfunction is when a man cannot get or keep an erection. It can be caused by a number of…

  • A woman frowning and grabbing her lower abdomen while sitting on the couch

    Chronic Pelvic Pain

    Chronic pelvic pain can be caused by multiple medical conditions, many of which can be treated or managed with proper…

  • woman with a headache holds a hand to her head

    Chronic Pain

    Chronic pain cannot often be cured but it can be treated with lifestyle changes and other means.

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