This lung condition makes the heart work harder and become weak. Changes in genes and some medicines and diseases can cause it. Learn more.
Disease
Pulmonary valve disease
Learn about the types of lung valve disease and treatment options at Mayo Clinic.
Disease
Pulmonary valve stenosis
When the valve between the heart and lungs is narrowed, blood flow slows. Know the symptoms of this type of valve disease and how it's treated.
Disease
Pyloric stenosis
In this condition, a valve between an infant's stomach and small intestine fails to open enough for food to pass through. Surgery is the treatment.
Disease
Pyoderma gangrenosum
Learn about the symptoms, treatment and risk factors of this skin condition with open sores, along with advice on how to cope with it.
Disease
Rectal prolapse
This rare condition happens when the rectum slips outside of the anus. Find out about symptoms and treatment.
Disease
Residual limb pain
Learn about causes and treatments of this common pain that happens in part of an arm or leg that's left after the arm or leg is removed.
Disease
Ruptured eardrum (perforated eardrum)
This hole or tear in the thin tissue between the ear canal and the middle ear often clears without treatment.
Disease
Schizoid personality disorder
People with this mental health condition do not want to be with others. They stay away from social activities. They're limited in how they express emotions.
Disease
Schizotypal personality disorder
This condition includes odd or eccentric thinking and behavior, few close relationships, and great distrust of others. Treatment can make symptoms better.
Disease
Small bowel prolapse (enterocele)
Learn more about this condition also called a vaginal hernia that happens when the small bowel pushes down onto the top of the vagina.
Disease
Social anxiety disorder (social phobia)
Learn more on this disorder where everyday interactions cause significant worry and self-consciousness because you fear being judged negatively by others.