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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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  • Woman holding clean menstrual pad

    Amenorrhea

    Amenorrhea is a medical term for when a woman does not have menstrual periods.

  • young boy with adhesive eye patch over his eye

    Amblyopia (Lazy Eye)

    Amblyopia (lazy eye) develops in childhood when one eye doesn’t work properly with the brain. Left untreated, it can lead…

  • A doctor wearing a white coat sits with a patient in his office to go over the benefits of the RSV vaccine.

    RSV in Adults Over 60

    Older adults (above the age of 60) are at higher risk for severe RSV infection. This is especially true if…

  • a young girl with Down syndrome looks up and smiles

    Down Syndrome

    Down syndrome is a chromosomal disorder that affects physical and intellectual development.

  • A doctor uses a stethoscope to listen to woman’s heart. Mitral valve prolapse is a heart condition in which the flaps of the mitral valve don’t close properly. Most who have it don’t need treatment.

    Mitral Valve Prolapse

    Mitral valve prolapse is a heart condition in which the flaps of the mitral valve don’t close properly. Most people…

  • A toddler wears an oxygen mask. RSV (respiratory syncytial virus) is a common virus that makes it hard to breathe. RSV is common in children under 2, but anyone can get it.

    RSV (Respiratory Syncytial Virus)

    Respiratory syncytial virus (RSV) is a common virus. It affects your lungs, making it difficult to breathe. The virus is…

  • Long COVID: Symptoms and Treatment

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

  • A fourteen year old Caucasian girl reads her blood sugar level by placing her cellphone next to her pump in her arm as she sits at a dining table.

    Diabetes in Kids - Signs and Causes

    Diabetes is a chronic condition that occurs when your child’s body doesn’t’ make or use insulin properly. There are two…

  • A girl sits at the kitchen table covering her eyes in a stressful way with her homework sitting in front of her.

    ADHD in Children: Symptoms, Diagnosis, and Support

    ADHD is one of the most common developmental disorders of childhood, associated with inattention, hyperactivity, and/or impulsivity.

  • A plastic model of intestines sits on a table in a doctor’s office where a patient is consulting with a doctor about her Crohn’s disease.

    Crohn’s Disease

    Crohn’s disease is an inflammatory bowel disease (IBD) that causes ulcers to form in the gastrointestinal (GI) tract anywhere from…

  • Reye’s Syndrome

    Reye’s syndrome is a rare but serious illness common in children recovering from a virus and taking aspirin. It can…

  • Flatulence/Gas

    Flatulence is another name for gas. It happens when air stays in your abdomen after you eat. It can be…

  • Hearing: Noise-Induced Hearing Loss

    Noise-induced hearing loss normally occurs from regular exposure to loud noises.

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

    Coronavirus Disease 2019 (COVID-19)

    COVID-19 is highly contagious and does not yet have an approved vaccine. Symptoms may include a cough, a fever, and…

  • Pyloric Stenosis

    What is pyloric stenosis? Pyloric stenosis is a medical condition. It is a narrowing of the opening between the stomach and the small intestine. That space is called the pylorus. It often occurs in babies younger than 6 months. It is more common in…

  • Doctor examining a child, checking her throat and tonsils. Common tonsillitis symptoms include redness and feeling like your throat or neck glands are swollen due to inflammation of the tonsils.

    Tonsillitis

    Tonsillitis is an inflammation of the tonsils that happens when they become infected by a virus or bacteria. It is…

  • A female holds her hands behind her back. Hemorrhoids are swollen or inflamed veins in your rectum or around your anus. They are very common, especially in people who are pregnant.

    Hemorrhoids

    Hemorrhoids are swollen or inflamed veins in your rectum or around your anus. They are very common, especially in people…

  • A man with food poisoning sits on the couch and vomits into a green bucket.

    Food Poisoning

    Food poisoning is a primarily intestinal illness that occurs when you eat or drink something that contains harmful bacteria, viruses,…

  • Insulin resistance means your body is unable to process all the insulin your body is making. It is linked to prediabetes and type 2 diabetes.

    Insulin Resistance

    Insulin resistance is a condition linked to prediabetes and type 2 diabetes. Insulin resistance means your body is unable to…

  • red and white blood cells traveling through a vein in the human body

    Blood Poisoning (Sepsis)

    Blood poisoning happens when an infection enters your bloodstream and your body reacts to the infection.

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