Advertisement

Diseases and Conditions

Find doctor-approved information about symptoms, causes, diagnosis, treatment and prevention of common diseases and conditions.

Advertisement

Filter By Alphabet
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
R
S
T
U
V
W
Y
Z
All conditions that start with the letter P
Sort By:
  • A crying elderly woman with cancer is comforted by a caretaker. Pancreatic cancer is an abnormal growth of cells in the pancreas. It is difficult to detect early, making treatment tough at later stages.

    Pancreatic Cancer

    What is pancreatic cancer? Pancreatic cancer is a disease in which cancer cells form on your pancreas. Your pancreas is an organ. It is located behind your stomach and in front of your spine. It produces juices that break down food and control blood…

  • Doctor wearing blue medical gloves holds a model pancreas. What causes pancreatitis?

    Pancreatitis - What causes pancreatitis?

    Pancreatitis is inflammation (swelling) of your pancreas. The pancreas is a gland near your stomach and liver. It makes digestive…

  • A young businessman having a panic attack in an office. Panic disorder is a condition in which a person has sudden episodes of intense fear or anxiety. These episodes are known as panic attacks.

    Panic Disorder and Panic Attacks

    Panic disorder is a condition in which a person has episodes of intense fear or anxiety that occur suddenly, often…

  • Paraphimosis is a serious condition where the foreskin gets stuck behind the head of the penis and can’t be pulled back into normal position.

    Paraphimosis

    Paraphimosis is a serious condition that happens when the foreskin gets stuck behind the head of the penis and can’t…

  • close-up of an elderly man’s hands on top of a cane with a caregiver’s hand on top

    Parkinson’s Disease

    Parkinson’s disease is a movement disorder that affects the nervous system and causes tremors, slowed movements and stiff muscles.

  • A child’s hand with red and swollen skin around fingernail caused by a skin infection. Paronychia is a skin infection around the nails. It usually affects the skin at the base (cuticle) or up the sides of the nail.

    Paronychia

    Paronychia is a skin infection around the fingernails or toenails. It usually isn’t serious and can be treated at…

  • Patellofemoral Pain Syndrome

    Patellofemoral pain is a knee condition. It’s most common in people who participate in high-impact activities that include jumping and…

  • Pelvic Floor Disorders

    Pelvic floor disorders happen when the muscles in your pelvic floor weaken. It can cause constipation, painful urination and organ…

  • close up of a woman holding her abdomen in discomfort

    Pelvic Inflammatory Disease

    Pelvic inflammatory disease is an infection of female reproductive organs. It can make it hard to get pregnant and cause…

  • Man holding his stomach in pain

    Peptic Ulcer Disease

    A peptic ulcer is a raw area in the stomach or near the top of the small intestine. The lining…

  • Active woman in her 50s running and jogging.

    Perimenopause

    Perimenopause is a stage in a woman’s reproductive years that occurs just before menopause.

  • Peripheral Arterial Disease and Claudication

    Peripheral arterial disease (PAD) is a problem with blood flow in the arteries, especially those in the legs. Claudication is…

  • Peritonsillar Abscess

    A peritonsillar abscess is a collection of pus near one of your tonsils. It can be caused by an infection…

  • Sad-looking young woman with dysthymic disorder, or PDD, looks down while holding a mug.

    Persistent Depressive Disorder (PDD)

    Persistent depressive disorder is a mild or moderate depression that can last at least 2 years. It can be treated…

  • Peyronie’s Disease

    Peyronie’s disease is the buildup of fibrous scar tissue in the penis, causing it to curve.

  • A sleeping baby lays wrapped in a blanket. Phenylketonuria (PKU) is a rare genetic condition where babies are unable to break down an amino acid. This can lead to brain damage.

    Phenylketonuria (PKU)

    Phenylketonuria (PKU) is a rare genetic condition where babies are unable to break down an amino acid. This can lead…

  • Pica

    Pica is a compulsive eating disorder in which people eat nonfood items. Dirt, clay, and flaking paint are the most…

  • Pigmented Villonodular Synovitis (PVNS)

    Pigmented villonodular synovitis is a joint problem that usually affects the hip or knee. It also can occur in the…

  • A pilonidal cyst is a small, protruding sac near the tailbone at the top of the buttocks crease. Ingrown hairs commonly cause pilonidal cysts.

    Pilonidal Cyst

    A pilonidal cyst is a small, protuding sac located near the tailbone at the top of the buttocks crease.

  • Pinworm Infection

    Pinworm infection is an intestinal infection caused by small, white worms. Anyone can get it, but it’s most common in…

Filter By Alphabet
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
R
S
T
U
V
W
Y
Z
Filter By Category

Advertisement

Visit our interactive symptom checker

Advertisement