Diseases and Conditions

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


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  • An illustration of a typical ovary

    Polycystic Ovary Syndrome

    olycystic ovary syndrome (PCOS) is a condition that occurs when cysts form on a woman’s ovaries.

  • Polycythemia Vera

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

  • Illustration of colon polyps removal, using a colonoscope


    Polyps are abnormal growths of tissue that can occur in different places including your colon, nose, ear, throat, and stomach…

  • 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.

  • woman with head down, holding baby pajamas

    Postpartum Depression (PPD)

    Postpartum depression effects women after giving birth. It involves feelings of sadness, loneliness, worthlessness and restlessness that can last for…

  • 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…

  • 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.

  • Doctor measures the blood pressure of a pregnant woman


    Preeclampsia is a condition women can get while pregnant. It involves an increase in blood pressure and signs of damage…

  • Male struggling with premature ejaculation sits on edge of bed with girlfriend in the background.

    Premature Ejaculation

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

  • Women

    Premenstrual Dysphoric Disorder

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

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

    Premenstrual Syndrome (PMS)

    Premenstrual syndrome (PMS) references a group of symptoms often experienced up to 14 days before menstruation (period).

  • Closeup of elderly woman’s hands sorting several prescriptions

    Prescription Drug Abuse in the Elderly

    Prescription abuse happens when people abuse medicines prescribed by a doctor. In the elderly, it can be hard to spot…

  • Pressure Sores

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

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

    Prostate Cancer

    Prostate cancer is one of the most common types of cancer in men. Most types of prostate cancer grow slowly…

  • Prostatitis

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

  • Pruritus (Itchy Skin)

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

  • Pseudogout

    Pseudogout is a type of arthritis that causes painful swelling in one or more of your joints. It can lead…

  • Woman applying lotion to psoriasis on her elbow


    Psoriasis is a common chronic skin condition. It causes a rash that is raised with red marks and flaky white…

  • Pulmonary Hypertension

    Pulmonary arteries are the blood vessels that carry blood from your heart to your lungs. These arteries can narrow or…

  • 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…