Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.

Showing 31 - 60 of 164 results.
Pemphigus Vulgaris

Pemphigus is a rare group of autoimmune diseases. It causes blisters on the skin and mucous membranes throughout the body. Pemphigus vulgaris is the most common type of pemphigus.

Penile Cancer: Overview

Cancer that starts in cells in the penis is called penile cancer. Learn more about symptoms, diagnosis, and treatments.

Peptic Ulcer Disease

Peptic ulcers are erosions in the lining of the esophagus, stomach, or duodenum. Ulcers in the stomach are called gastric ulcers, and duodenal ulcers if in the duodenum. This video explains the possible causes of this disease, including ...

Peptic Ulcers

A peptic ulcer is a sore on the lining of your stomach or the first part of your small intestine (duodenum).

Pericardial Effusion

Pericardial effusion is the buildup of extra fluid in the space around the heart. If too much fluid builds up, it can put pressure on the heart. This can prevent it from pumping normally.

Pericarditis

Pericarditis is inflammation of the pericardium, the thin sac that surrounds the heart.

Pericarditis in Children

Pericarditis is inflammation or infection of the pericardium. In children, pericarditis is most likely to happen after surgery to repair heart defects.

Perimenopause

Perimenopause is the time around menopause when your body begins to change. You become less fertile and hormone levels fluctuate.

Periodic Paralysis

Periodic paralysis (PP) is a rare genetic disorder. It causes sudden attacks of short-term muscle weakness, stiffness, or paralysis. These attacks may affect the whole body or just one or two limbs.

Periodontal Disease in Children

Periodontal disease is a serious bacterial infection. It destroys the gums and the nearby tissues of the mouth.

Periodontal Diseases

Detailed information on periodontal disease, including types, symptoms, causes, and treatment

Peripheral Neuropathy

Peripheral neuropathy is a type of damage to the nervous system.

Peripheral Vascular Disease

Peripheral vascular disease (PVD) is a slow and progressive circulation disorder caused by narrowing, blockage or spasms in a blood vessel.

Peritonitis

Peritonitis is a redness and swelling (inflammation) of the tissue that lines your belly or abdomen. This tissue is called the peritoneum.

Periventricular Leukomalacia (PVL) in Children

Periventricular leukomalacia (PVL) is a softening of white brain tissue near the ventricles. The ventricles are fluid-filled chambers in the brain.

Persistent Depressive Disorder in Children

Persistent depressive disorder is a type of depression. A child with this disorder has a low, sad, or irritable mood for at least 1 year.

Persistent Pulmonary Hypertension in the Newborn

Persistent pulmonary hypertension (PPHN) happens in newborn babies. It occurs when a newborn’s circulation changes back to the circulation of a fetus. When this happens, too much blood flow bypasses the baby’s lungs. This is sometimes ...

Peyronie Disease

Peyronie disease causes hard, flat plaque to form under the skin on the tissue of the penis. The plaque often starts as an inflammation that may develop into scar tissue. It can cause pain and a sharp curve in the penis during erections.

PFAPA Syndrome

PFAPA (Periodic Fever, Aphthous Stomatitis, Pharyngitis, Adenitis) is a childhood syndrome that affects both boys and girls. It causes repeated episodes of fever, mouth sores, sore throat, and swollen lymph nodes. PFAPA usually starts in...

Pharyngitis and Tonsillitis

Pharyngitis and tonsillitis are infections that cause inflammation. If the tonsils are mainly affected, it is called tonsillitis. If the throat is mainly affected, it is called pharyngitis. These infections are spread by close contact ...

Pharyngitis and Tonsillitis in Children

Pharyngitis is redness, pain, and swelling of the throat (pharynx). Tonsillitis is inflammation of the tonsils. The tonsils are a pair of tissue masses on either side of the back of the throat. They are part of the immune system, the ...

Phenylketonuria (PKU) in Children

Phenylketonuria (PKU) is a rare metabolic disorder. Children with PKU can't process an amino acid called phenylalanine. Phenylalanine is in many common foods.

Pheochromocytoma in Children

Pheochromocytoma is a tumor of the adrenal glands. The tumor makes hormones called epinephrine and norepinephrine. This leads to an excess of the hormones in the body. These hormones help manage heart rate and blood pressure, and they ...

Pheochromocytoma: An Adrenal Gland Tumor

A pheochromocytoma is a rare type of tumor. It grows in the middle of an adrenal gland. A pheochromocytoma causes the adrenal glands to make too much of the hormones epinephrine and norepinephrine. These hormones help keep your heart ...

Showing 31 - 60 of 164 results.
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