Diseases and Conditions

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


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  • Pruritus

    Pruritus is a medical term for itchy skin that can be caused by a number of issues including dry skin,…

  • Prostatitis

    Prostatitis is an inflammation of the prostate gland that happens when the tissue becomes swollen an irritated.

  • male patient sitting on exam table as doctor talks to him

    Prostate Cancer

    Prostate cancer is the growth of abnormal cells in a man’s prostate gland. The prostate gland is part of a…

  • Pressure Sores

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

  • Closeup of elderly woman’s hands sorting several prescriptions

    Prescription Drug Abuse in the Elderly

    Prescription drug abuse is when people misuse prescribed medicines. Most older adults who suffer from prescription drug abuse do so…

  • A woman who suffering from cramps is lying on the sofa with her hand on her abdomen.

    Premenstrual Syndrome (PMS)

    Premenstrual syndrome (PMS) is the name for a group of symptoms that you may experience up to 14 days before…

  • Women

    Premenstrual Dysphoric Disorder

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

  • Premature Ejaculation

    Premature ejaculation happens when an individual has an orgasm sooner than wanted. It can happen before or shortly after…

  • Doctor measures the blood pressure of a pregnant woman


    Preeclampsia is a rare condition that women can get when pregnant. It occurs when a woman has high blood pressure…

  • close-up of older couple jogging in a park


    Prediabetes is when your blood sugar levels are higher than normal, but not high enough to be called diabetes.

  • A mother with postpartum preeclampsia holding a newborn baby in her arms at the hospital

    Postpartum Preeclampsia

    Postpartum preeclampsia is high blood pressure in a woman who has recently had a baby. It is a rare medical…

  • woman with head down, holding baby pajamas

    Postpartum Depression (PPD)

    It is normal to feel the “baby blues” for a few weeks after giving birth, but postpartum depression can have…

  • American soldier in uniform, who suffers from PTSD

    Post-Traumatic Stress Disorder (PTSD)

    Post-traumatic stress disorder (PTSD) is a mental health disorder caused by a traumatic event or series of events.

  • Illustration of colon polyps removal, using a colonoscope


    Polyps are abnormal growths of tissue that latch onto the walls, or lining, of your organs. The colon is the…

  • Polycythemia Vera

    Polycythemia vera (PV) occurs when your body makes too many red blood cells. This can cause blood clots and lead…

  • An illustration of a typical ovary

    Polycystic Ovary Syndrome

    Polycystic ovary syndrome (PCOS) is a condition that occurs when imbalanced hormones cause cysts to form on a woman’s…

  • An illustration of a healthy kidney and a kidney with cysts

    Polycystic Kidney Disease

    Polycystic kidney disease (PKD) is an inherited disease that affects the kidneys. It causes abnormal sacs of fluid (called cysts)…

  • Poisoning

    Poison is any substance that is harmful to your body. You could breathe it in, swallow it, or absorb it…

  • Poison Ivy

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

  • doctor listening to a patient’s lungs with a stethoscope


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