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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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  • Nightmares and Night Terrors

    Nightmares and night terrors can be scary parts of childhood, but they are usually triggered by everyday events and often…

  • A female neurologist shows a male patient with multiple sclerosis symptoms something on a synthetic brain.

    Multiple Sclerosis

    Multiple sclerosis is a disease that affects the central nervous system. There is no cure, but there are medicines that…

  • A young woman leans over a toilet bowl as if she may vomit. Morning sickness refers to the nausea and vomiting some people have when they become pregnant. It affects the majority of pregnant people.

    Morning Sickness

    Morning sickness refers to the nausea and vomiting that some people have when they become pregnant. Morning sickness is very…

  • 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…

  • Juvenile Rheumatoid Arthritis

    Juvenile rheumatoid arthritis can cause joint pain and swelling in children younger than 16. Its symptoms can be intermittent or…

  • Woman with hands crossed over her pelvis as if she is in pain or needs to use the restroom. Interstitial cystitis is chronic inflammation of the bladder. This inflammation can scar the bladder or make it stiff.

    Interstitial Cystitis

    Interstitial cystitis is chronic inflammation of the bladder.

  • A woman lying in bed stares at clock in the middle of the night. Insomnia is a sleep disorder where people have trouble falling asleep, staying asleep, or both. It’s more common in older adults and women.

    Insomnia

    Insomnia is a sleep disorder that happens when you have trouble falling asleep, staying asleep, or both. It’s more common…

  • Woman undergoing eye exam

    Glaucoma

    Glaucoma is an eye disease. It’s caused by fluid and pressure in the eye. At first, there aren’t symptoms, but…

  • laughing young boy with cerebral palsy sits in his wheelchair next to his sister

    Cerebral Palsy

    Cerebral palsy is a group of brain disorders that affect body movement and muscle coordination. It can be mild or…

  • A woman having chest pains places her hands over her heart. Cardiomyopathy is a disease that causes your heart muscles to become enlarged, which can weaken your heart over time.

    Cardiomyopathy

    Cardiomyopathy is a disease of the muscles in the heart. It causes your heart muscles to become enlarged.

  • A woman talking to her doctor about bleeding. Abnormal uterine bleeding is heavy or unusual bleeding from the uterus (through the vagina). Vaginal bleeding between periods is a symptom.

    Abnormal Uterine Bleeding

    Abnormal uterine bleeding is any heavy or unusual bleeding from the uterus. In most women, abnormal uterine bleeding is caused…

  • Food Poisoning | Mushroom Poisoning

    Know the type of mushrooms you are eating to avoid getting sick and even death.

  • Cows peak their heads out of their stalls in a barn. Mad cow disease is a rare and deadly brain disease spread by eating beef products from a cow that has been infected. There is no cure.

    Mad Cow Disease

    Mad cow disease is a rare and deadly brain disease spread by eating beef products from a cow that has…

  • What does jock itch look like? Jock itch appears as a skin rash around the groin.

    Jock Itch

    Jock itch is a contagious fungal skin infection that usually appears around the groin in men.

  • Close-up of a young businessman holding side with kidney pain

    Kidney Infection Symptoms and Treatment

    A kidney infection results when bacteria get into one or both of your kidneys.

  • Trigeminal Neuralgia

    Trigeminal neuralgia is a condition that causes burning, electric or shock-like pain in the face. It is caused by a…

  • Peyronie’s Disease

    Peyronie’s disease is the buildup of fibrous scar tissue in the penis, causing it to curve.

  • A doctor uses a stethoscope while examining a patient. Lupus is a disease that affects your immune system. Lupus symptoms can affect many parts of the body, including the joints, skin, and organs.

    Lupus

    Lupus is a disease that affects your immune system, causing it to attack healthy cells and tissue.

  • A woman holding her lower back on one side, indicating kidney pain

    Kidney Stones

    Your body removes waste through urine that’s made in your kidneys. When waste doesn’t properly leave your kidneys, it can…

  • Ringworm on a man’s wrist

    Ringworm - Symptoms and Treatment

    Ringworm is a skin infection that makes a rash shaped like a ring. The rash can occur different places on…

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