Diseases and Conditions

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

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All conditions that start with the letter P
  • 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

    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…