Diseases and Conditions

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

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  • Inhalant Abuse

    Inhalant abuse is a form of substance abuse. It involves breathing in or sniffing household products on purpose to “get…

  • Inflammatory Bowel Disease (IBD)

    Inflammatory bowel disease (IBD) is the name of a group of disorders that cause the intestines to become inflamed (red…

  • Blood Poisoning

    Blood poisoning has nothing to do with poison. It’s caused when bacteria enter your bloodstream. That can happen through burns,…

  • Cervical Dysplasia

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

  • Hammer Toe

    When a person has hammer toe, the end of their toe bends downward and the middle joint curls up. Over…

  • AIDS

    AIDS is a life-threatening condition caused by human immunodeficiency virus (HIV). The virus makes your body weak and unable to…

  • Anal Fissure

    An anal fissure is a small crack or tear in the thin, moist lining of the lower rectum. It’s a…

  • Phenylketonuria (PKU)

    Phenylketonuria (PKU) is a rare genetic condition where babies are unable to break down an amino acid. This can lead…

  • Piriformis Syndrome

    Piriformis syndrome occurs when your piriformis muscle puts pressure on your sciatic nerve. This can cause pain and numbness in…

  • Pinworm Infection

    Pinworm infection is an intestinal infection caused by small, white worms. Anyone can get it, but it’s most common in…

  • Patellofemoral Pain Syndrome

    Patellofemoral pain is a knee condition. It’s most common in people who participate in high-impact activities that include jumping and…

  • Heat Rash

    Heat rash is a skin irritation that stings and makes your skin red. It is also called miliaria or prickly…

  • Cervical Dystonia

    Cervical dystonia is a neurological disorder that causes your neck muscles to contract involuntarily. This can make your head lean…

  • Traumatic Brain Injury

    A traumatic brain injury is any sudden injury to your brain. It could be from a bump, blow, or jolt…

  • Tinnitus

    Tinnitus causes you to hear a noise in one ear or both ears. People call it ringing in the ear…

  • Pressure Sores

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

  • Otitis Externa (Swimmer's Ear)

    Swimmer’s ear is an irritation, swelling, or infection in your ear. It’s often caused by swimming a lot or swimming…

  • Osteopenia

    The condition osteopenia begins as your bones get weaker. It’s common as you age. People who have osteopenia have a…

  • Nosebleeds

    A nosebleed is blood loss from the tissue that lines your nose. It most often occurs in only one nostril,…

  • Mastitis

    Mastitis is an inflammation of the breast, usually caused by an infection. It can cause breast pain, tenderness, and flu-like…