This condition slows or blocks blood flow through the liver. Treatment is key to help prevent and manage serious complications such as bleeding.
Disease
Post-polio syndrome
This syndrome causes a number of potentially serious symptoms that appear decades after the polio virus.
Disease
Post-traumatic stress disorder (PTSD)
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.