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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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  • Women

    Premenstrual Dysphoric Disorder

    PMDD is a severe form of a common problem called premenstrual syndrome, or PMS.

  • A woman kneeling on the bathroom floor while holding her head over the toilet as she vomits

    Vomiting and Diarrhea

    Information for parents about vomiting and diarrhea in children from the American Academy of Family Physicians.

  • Sexually Transmitted Infections (STIs)

    Learn about sexually transmitted infections and how you can prevent them.

  • Sexual Dysfunction in Men and Women

    Learn about the symptoms, causes and treatment of sexual dysfunction disorders.

  • Man in an industrial factory, holding a respirator to prevent occupational respiratory disease

    Occupational Respiratory Disease

    Work can be a dangerous place if you are exposed to hazardous toxins. Certain substances put you at risk for…

  • Senior man with heat exhaustion cools his head with a wet cold cloth

    Heat Exhaustion and Heat Stroke

    Heat exhaustion and heatstroke are serious conditions. Learn the warning signs of these heat-related illnesses, as well as how to…

  • an excess buildup of fluid in the ankle causing swelling

    Lymphedema

    Lymphedema is a condition often caused by cancer treatment or surgery. It results in swelling of the lymph nodes located…

  • Woman suffering from menstrual cramps and holding her stomach while sitting on couch

    Dysmenorrhea

    What is dysmenorrhea? Dysmenorrhea is the medical term for pain that women have before or during menses (known as their period). It usually is not serious. Symptoms of dysmenorrhea Menstrual cramps can feel like a dull ache or a shooting pain. They most often

  • Toxic Shock Syndrome

    Toxic shock syndrome is a serious, sometimes life-threatening staph infection caused by bacteria that multiplies quickly and leads to organ…

  • Close-up of a narrowed small blood vessel

    Small Vessel Disease

    Small vessel disease is a narrowing in the tiny arteries in your heart. It also is called coronary microvascular disease…

  • Portrait of father and son outdoors.

    Fragile X Syndrome

    What is Fragile X syndrome? Fragile X syndrome is a genetic disorder. It is most often passed on from a parent to a child at the time the child is conceived. The disorder causes intellectual and developmental disabilities. This means it affects a person

  • Colds and the Flu

    Learn about the symptoms of and treatments for colds and the flu.

  • Close-up of man holding his mouth in pain

    Burning Mouth Syndrome

    Burning mouth syndrome (BMS) is marked by pain and discomfort in the mouth, lips, and/or tongue. Find treatment and tips…

  • Little boy sleeping in his bed suffering from hives

    Hives (Urticaria)

    Hives (urticaria) are bumps or patches on the surface of your skin. They can be red, itchy, and swollen and…

  • Toddler with chickenpox lying on stomach

    Chickenpox

    Chickenpox is a highly contagious disease caused by a virus. It once was a common childhood disease until a vaccine…

  • Urinary Tract Infection

    Learn about the symptoms, causes, diagnosis, treatment, prevention and complications of urinary tract infections (sometimes called UTIs or bladder…

  • Seborrheic Dermatitis

    Learn about the causes of and treatment options for seborrheic dermatitis.

  • Pediatrician exams a child's lymph nodes. Mumps is a virus that is spread like the common cold. Mumps symptoms can cause you to feel sick for two weeks.

    Mumps

    Learn about mumps and how it can be prevented.

  • Stethoscope wth rotavirus sign

    Rotavirus

    Rotavirus is a highly contagious infection commonly affecting babies and young children. A rotavirus vaccine offers some, but not full,…

  • Mother holding a thermometer in the foreground with a sick child sleeping in the background

    Fever in Infants and Children

    A baby or infant's first fever can be scary. Learn how to take your child’s temperature, how to bring down…

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