Alternative medicine
Learning Center
Progressive supranuclear palsy
Learn about this brain condition that affects your ability to walk, move your eyes, talk and eat.
Priapism
Understand the symptoms, possible causes and treatment of prolonged erection of the penis, including when to seek emergency care.
Premature ejaculation
Understand what may cause ejaculation to happen earlier than wanted during sex. Also learn how to treat and prevent it.
Postherpetic neuralgia
This complication of shingles can cause pain, itching and numbness long after the shingles rash clears. Treatments can ease symptoms.
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.
Posterior cortical atrophy
This rare neurological syndrome that's often caused by Alzheimer's disease affects vision and coordination.
Post-vasectomy pain syndrome
Learn about post-vasectomy pain syndrome (PVPS) — How it happens after a vasectomy, tests to diagnose it and treatment options.
Polymyalgia rheumatica
Older adults who suddenly develop muscle pain and stiffness, especially in the shoulders, might have polymyalgia rheumatica.
Polycythemia vera
This slow-growing blood cancer mainly affects people over 60. Treatments and lifestyle changes may reduce complications and ease symptoms.
Pneumonia
Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.
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