This mental health condition, which is caused by being part of or witnessing a terrifying event, leads to symptoms that include flashbacks, nightmares and severe anxiety.
Disease
Post-vasectomy pain syndrome
Learn about post-vasectomy pain syndrome (PVPS) — How it happens after a vasectomy, tests to diagnose it and treatment options.
Disease
Posterior cortical atrophy
This rare neurological syndrome that's often caused by Alzheimer's disease affects vision and coordination.
Disease
Posterior vaginal prolapse (rectocele)
In this pelvic floor disorder, the rectum presses against weakened tissues and bulges into the vagina. Learn about the symptoms and treatments.
Disease
Postherpetic neuralgia
This complication of shingles can cause pain, itching and numbness long after the shingles rash clears. Treatments can ease symptoms.
Disease
Postpartum depression
Learn the risk factors and symptoms of depression in new mothers, as well as effective treatment that can help you manage symptoms and bond with your baby.
Disease
Postpartum preeclampsia
Learn about this rare condition that's typically associated with pregnancy, but that can occur after delivery, too. Untreated, it can lead to serious complications.
Disease
Pouchitis
This condition is swelling and irritation that happens after surgery to create a J pouch in the colon.
Disease
Prader-Willi syndrome
This rare genetic condition leads to physical, mental and behavioral problems, including being hungry all the time.
Disease
Precocious puberty
Read about what can cause children's bodies to begin changing into adult bodies too soon.
Disease
Prediabetes
Blood sugar levels start to rise even before you get type 2 diabetes. Find out what steps you can take to prevent diabetes from developing.
Disease
Preeclampsia
Learn about the diagnosis, treatment of this pregnancy complication of high blood pressure with related damage to the kidneys or other organs.