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Drugs and diseases reference index

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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «P»:

  1. Pheochromocytoma Pheochromocytoma
    Pheochromocytoma is a rare tumor of the adrenal gland that causes too much release of epinephrine and norepinephrine -- hormones that regulate heart rate and blood pressure. Causes Pheochromocytoma may occur as a single tumor or as more than one growth. It usually develops in the center (medulla) o...
  2. Philodendron poisoning Philodendron poisoning
    Philodendron is a flowering houseplant. Philodendron poisoning occurs when someone eats pieces of this plant. This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) o...
  3. Phlegmasia cerulea dolens Phlegmasia cerulea dolens
    Phlegmasia cerulea dolens is an uncommon, severe form of deep venous thrombosis (blood clots in the vein), usually in the upper leg. Symptoms Pain, swelling, and bluish-skin coloring affect the area below the blocked vein. Exams and Tests For information on diagnosis, see: Deep venous thrombosis T...
  4. Phobia - simple/specific Phobia - simple/specific
    A phobia is a persistent and irrational fear of a particular type of object, animal, activity, or situation that poses little to no actual danger. Causes Specific phobias are a type of anxiety disorder in which exposure to the feared stimulus may provoke extreme anxiety or a panic attack. Specific ...
  5. Phonological disorder Phonological disorder
    Phonological disorder is a type of speech disorder known as an articulation disorder. Children with phonological disorder do not use some or all of the speech sounds expected for their age group. Causes This disorder is more common in boys. About 3% of preschool children and 2% of children ages 6 -...
  6. Phosphorus in diet Phosphorus in diet
    Phosphorus is a mineral that makes up 1% of a person's total body weight. It is present in every cell of the body, but most of the phosphorus in the body is found in the bones and teeth. Function The main function of phosphorus is in the formation of bones and teeth. It plays an important role in t...
  7. Photophobia Photophobia
    Photophobia is eye discomfort in bright light. Considerations Photophobia is a fairly common symptom. For many people, photophobia is not due to any underlying disease. Severe photophobia may be associated with eye problems and cause severe eye pain even in relatively low light. Causes Excessive w...
  8. Physical activity Physical activity
    Physical activity is any activity that causes your body to work harder than normal. It describes activities that are beyond your daily routine of sitting, standing, and walking up stairs. Everyone can benefit from increased physical activity. Information Physical activity can help you: Burn calori...
  9. Physical exam frequency Physical exam frequency
    All adults should visit their health care provider from time to time, even if they are healthy. The purpose of these visits is to: Screen for diseases Assess risk of future medical problems Encourage a healthy lifestyle Update vaccinations Maintain a relationship with a doctor in case of an illness...
  10. Physical examination Physical examination
    During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical examination includes: Inspection (looking at the body) Palpation (feeling the body with hands) Auscultation (listening to sounds) Percu...
  11. Physical medicine and rehabilitation Physical medicine and rehabilitation
    Physical medicine and rehabilitation are services that can help people regain body functions they lost due to medical conditions or injury. Rehabilitation can help many body functions, including bowel and bladder problems, chewing and swallowing, problems thinking or reasoning, movement or mobility,...
  12. Physician Assistant profession (PA) Physician Assistant profession (PA)
    HISTORY OF THE PROFESSION The first Physician Assistant (PA) training program was founded in 1965 at Duke University by Dr. Eugene Stead. Most programs require applicants to have at least 2 years of college experience. Applicants also need some experience in the health care setting, such as an emerg...
  13. Pica Pica
    Pica is a pattern of eating non-food materials (such as dirt or paper). Causes Pica is seen more in young children than adults. Between 10 and 32% of children ages 1 - 6 have these behaviors. Pica can occur during pregnancy. In some cases, conditions due to a lack of certain nutrients, such as iron...
  14. Pick’s disease Pick’s disease
    Pick's disease is a rare and permanent form of dementia that is similar to Alzheimer's disease, except that it tends to affect only certain areas of the brain. Causes People with Pick's disease have abnormal substances (called Pick bodies and Pick cells) inside nerve cells in the damaged areas of ...
  15. Pierre Robin syndrome Pierre Robin syndrome
    Pierre Robin syndrome is a condition present at birth, in which the infant has a smaller than normal lower jaw, a tongue that falls back in the throat, and difficulty breathing. Causes The exact causes of Pierre Robin syndrome are unknown. It may be part of many genetic syndromes. The lower jaw dev...