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Drugs and diseases reference index

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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «S»:

  1. Sickle cell anemia Sickle cell anemia
    Sickle cell anemia is a disease passed down through families in which red blood cells form an abnormal crescent shape. (Red blood cells are normally shaped like a disc.) Causes Hemoglobin is a protein inside red blood cells that carries oxygen. Sickle cell anemia is caused by an abnormal type of he...
  2. Sickle cell test Sickle cell test
    A sickle cell test looks for the presence or absence of abnormal hemoglobin in the blood that causes sickle cell anemia. How the Test is Performed Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (ant...
  3. SIDS - resources SIDS - resources
    The following organizations are good resources for information on SIDS: American SIDS Institute - www.sids.org National Sudden and Unexpected Infant/Child Death & Pregnancy Loss Resource Center - www.sidscenter.org See: Loss of a child - resources Alternative Names Resources - SIDS...
  4. Sigmoidoscopy Sigmoidoscopy
    Sigmoidoscopy is an internal examination of the lower large bowel (colon) and rectum, using an instrument called a sigmoidoscope. How the Test is Performed During the test, you are positioned on your left side with your knees drawn up toward your chest. A gastroenterologist or surgeon will perform ...
  5. Signs of an asthma attack Signs of an asthma attack
    If you do not know if you have asthma, these 4 symptoms could be signs that you do: Coughing -- sometimes waking you up at night. Wheezing -- a whistling sound when you breathe. You may hear it more when you breathe out. It can start as a low-sounding whistle and get higher. Breathing problems -...
  6. Silent thyroiditis Silent thyroiditis
    Silent thyroiditis is swelling (inflammation) of the thyroid gland, in which the person alternates between hyperthyroidism and hypothyroidism. Causes The cause of this type of thyroiditis is unknown. The disease affects women more often than men. Symptoms The earliest symptoms result from an overac...
  7. Silicosis Silicosis
    Silicosis is a respiratory disease caused by breathing in (inhaling) silica dust. Causes Silica is a common, naturally-occurring crystal. It is found in most rock beds and forms dust during mining, quarrying, tunneling, and working with many metal ores. Silica is a main part of sand, so glass worke...
  8. Simian crease Simian crease
    A simian crease is a single line that runs across the palm of the hand. People normally have three creases in their palms. The term "simian crease" is not used much anymore since it tends to have a negative meaning (it refers to monkey or ape). The crease is usually just referred to as a single palm...
  9. Simple prostatectomy Simple prostatectomy
    Simple prostate removal is a surgery to remove all or part of the prostate gland through a surgical cut in your lower belly, to treat an enlarged prostate. See also: Benign prostatic hypertrophy Prostate resection - minimally invasive Transurethral resection of the prostate Description You ...
  10. Simple pulmonary eosinophilia Simple pulmonary eosinophilia
    Simple pulmonary eosinophilia is inflammation of the lungs associated with an increase in eosinophils, a type of white blood cell. Causes Most cases of simple pulmonary eosinophilia are due to an allergic reaction, either from a drug, such as sulfonamide, or infection with a fungus or parasite, ...
  11. Sinus CT scan Sinus CT scan
    A computed tomography (CT) scan of the sinus is an imaging test that uses x-rays to create detailed pictures of the air-filled spaces inside the face (sinuses). How the Test is Performed You will be asked to lie on a narrow table that slides into the center of the CT scanner. You may lie on your ba...
  12. Sinus MRI scan Sinus MRI scan
    A magnetic resonance imaging (MRI) scan of the sinuses is a noninvasive method to create detailed pictures of the the air-filled spaces inside the skull. These spaces are called the sinuses. Unlike x-rays and computed tomographic (CT) scans, which use radiation, MRI uses powerful magnets and radio w...
  13. Sinus x-ray Sinus x-ray
    A sinus x-ray is a picture of the air-filled cavities in the front of the skull. How the Test is Performed X-rays are a form of electromagnetic radiation -- like light, but of higher energy. They can pass through the body to form an image on film. Structures that are dense (such as bone) look white...
  14. Sinusitis Sinusitis
    Sinusitis refers to inflammation of the sinuses that occurs with a viral, bacterial, or fungal infection. See also: Chronic sinusitis Causes The sinuses are air-filled spaces in the skull (behind the forehead, nasal bones, cheeks, and eyes) that are lined with mucus membranes. Healthy sinuses cont...
  15. Sitz bath Sitz bath
    A sitz bath is a warm water bath used for healing or cleansing purposes. You sit in the bath. The water covers only the hips and buttocks. The water may contain medication. Sitz baths are often used to relieve pain, itching, or muscle spasms. The baths are often recommended to relieve pain and speed...