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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «H»:

  1. Hookworm Hookworm
    Hookworm is a roundworm infestation affecting the small intestine and lungs. The worms are about 1/2 inch long. Causes The disorder is caused by infestation with the roundworms Necator americanus, Ancylostoma duodenale, Ancylostoma ceylanicum, or Ancylostoma braziliense. The first two occur in huma...
  2. Hormonal effects in newborns Hormonal effects in newborns
    While in the womb, a baby is exposed to many chemicals (hormones) present in the mother's blood stream. After birth, the infants are no longer exposed to these hormones. This may cause temporary conditions in a newborn. Information Hormones from the mother (maternal hormones) are some of the chemic...
  3. Hormone therapy Hormone therapy
    Hormone therapy (HT) is a medical treatment with a medication containing one or more female hormones, commonly estrogen plus progestin (synthetic progesterone), and sometimes testosterone. Some women, usually those who have had their uterus removed, receive estrogen-only therapy. HT is most often us...
  4. Horner syndrome Horner syndrome
    Horner syndrome is a rare condition that affects the nerves to the eye and face. Causes Horner syndrome can be caused by any interruption in a set of nerve fibers that start in the part of the brain called the hypothalamus and run to the face. Sympathetic nerve fiber injuries can result from: Inju...
  5. Hospital-acquired pneumonia Hospital-acquired pneumonia
    Hospital-acquired pneumonia is an infection of the lungs contracted during a hospital stay. Causes Pneumonia is a very common illness. It is caused by many different germs and can range in seriousness from mild to life-threatening. Hospital-acquired pneumonia tends to be more serious, because a pa...
  6. Hot tub folliculitis Hot tub folliculitis
    Hot tub folliculitis is an infection of the hair follicles that occurs when you come into contact with certain bacteria that live in warm, wet areas. Causes Hot tub folliculitis is caused by the bacteria Pseudomonas aeruginosa. This form of bacteria survives in hot tubs, especially hot tubs made of...
  7. How to breathe when you are short of breath How to breathe when you are short of breath
    Pursed lip breathing helps you use less energy to breathe. It can help you relax. When you are short of breath, it helps you slow the pace of your breathing and can help you feel less short of breath. Use pursed lip breathing when you do things that make you short of breath: Exercising Bending Lift...
  8. How to make a sling How to make a sling
    A sling is a device used to support and keep still (immobilize) an injured part of the body. Slings can be used for many different injuries, but are most often used when you have a broken (fractured) or dislocated arm or shoulder. See also: Dislocations Fractures Considerations If an injury ...
  9. How to read food labels How to read food labels
    Food labels tell you the nutrition facts about the foods you buy. Knowing how to use the information on food labels can help you choose healthier foods. What to Look For Pay special attention to these items on the label: Serving size Total carbohydrate Dietary fiber Calories Total fat Saturated fa...
  10. How to use a nebulizer How to use a nebulizer
    A nebulizer turns your asthma medicine into a mist. It is easy and pleasant to breathe the medicine into your lungs this way. If you use a nebulizer, your asthma medicines will come in liquid form. With a nebulizer, medicine goes into your lungs when you take slow, deep breaths for 10 to 15 minutes....
  11. How to use an inhaler - no spacer How to use an inhaler - no spacer
    Using a metered-dose inhaler (MDI) seems simple, but many people do not use them the right way. If you use your MDI the wrong way, less medicine gets to your lungs. If you have a spacer, you should use it because it helps get more of the medicine into your airways. (Note: The instructions below are ...
  12. How to use an inhaler - with spacer How to use an inhaler - with spacer
    Metered-dose inhalers (MDI) usually have 3 parts: A mouthpiece A cap that goes over the mouthpiece A canister full of medicine If you use your inhaler the wrong way, less medicine gets to your lungs. A spacer device will help. The spacer connects to the mouthpiece. The inhaled medicine goes into t...
  13. How to use your peak flow meter How to use your peak flow meter
    A peak flow meter helps you check how well your asthma is controlled. Peak flow meters are most helpful if you have with moderate to severe persistent asthma. How to Measure Peak Flow Move the marker to the bottom of the numbered scale. Stand up straight. Take a deep breath. Fill your lungs all th...
  14. HPV vaccine HPV vaccine
    The HPV vaccine protects against infection by certain strains of the human papilloma virus (HPV) that can cause cervical cancer and genital warts. HPV spreads mostly through sexual contact. Almost all cervical cancers are caused by HPV. HPV vaccination is expected to prevent about 70% of cervical ca...
  15. Human bites Human bites
    Human bites are usually caused by one person biting another, although they may result from a situation in which one person comes into contact with another person's teeth. In a fight, for example, one person's knuckles may come into contact with another person's teeth, and if the impact breaks the sk...