Learn about causes, symptoms and treatments of this painful condition that usually affects the skin above the tailbone in people who sit for long periods.
Disease
Pink eye (conjunctivitis)
This highly contagious eye condition can be itchy and uncomfortable. But much like the common cold, it rarely requires medicine or staying home.
Disease
Posterior cortical atrophy
This rare neurological syndrome that's often caused by Alzheimer's disease affects vision and coordination.
Disease
Premature ventricular contractions (PVCs)
PVCs are extra heartbeats that can make the heart beat out of rhythm. They are very common and may not be a concern. Learn when treatment is needed.
Disease
Primary biliary cholangitis
Primary biliary cholangitis is a type of liver disease that damages the bile ducts. Early recognition and treatment may help prevent complications.
Disease
Primary sclerosing cholangitis (PSC)
Scarring in the bile ducts blocks the flow of bile from the liver and damages liver tissue. A liver transplant is the only known cure.
Disease
Prostate cancer
Learn about detection, diagnostic approaches, treatment options and advances for prostate cancer, including robotic prostatectomy and current research.
Disease
Pseudomembranous colitis
This condition causes serious or life-threatening diarrhea. It often follows antibiotic use and often affects people in the hospital for other conditions.
Headaches and vision loss can result from this increased pressure inside your brain that occurs with no obvious reason.
Disease
Pubic lice (crabs)
Pubic lice (crabs) are an itchy, but treatable, nuisance. Find out how to spot and treat this common sexually transmitted infection (STI).
Disease
Rectal cancer
Learn about the symptoms, causes and prevention of this cancer that starts in the rectum. Treatments include surgery, radiation therapy and chemotherapy.
Disease
Recurrent breast cancer
Learn about symptoms that alert doctors to a breast cancer recurrence and strategies for treating cancer that comes back after initial treatment.