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             Blisters 
            A blister
    is raised section of skin which is full of a watery substance and is usually caused by
    aggravated rubbing or burns 
    What to look for 
    one or more bubbles of skin
    filled with clear fluid, ranging from pinpoint size to more than one-half inch in diameter
    usually accompanied by pain, swelling and inflammation. 
    Most blisters form as a
    reaction to irritation or other damage to the skin from an external source, although some
    can result from a disease or other ailment. Blisters can form on any exposed area.  
    Causes  
    Blisters can result from
    the rubbing of skin against another item such as from the wearing of new shoes, which
    causes an abrasion to form. This can happen quite quickly and is very painful. 
    Flames, steam, or contact
    with a hot surface can raise blisters, as can excessive sunburn or exposure to other types
    of radiation.  
    Skin may blister when it
    comes in contact with certain chemicals, cosmetics, and many other toxins.  
    Many people develop
    blisters as a reaction to taking certain oral and topical drugs.  
    Blisters are a common
    symptom of many infectious illnesses, including chickenpox, cold sores, herpes
    simplex, shingles, and impetigo.  
    Traditional Treatments 
    Most blisters caused by
    friction or minor burns do not require a doctor's care. They can usually heal on their own
    with a little help from you.  
    Soothe ordinary friction
    blisters with vitamin E ointment or an aloe-based cream. Do not pop a blister unless it is large and
    too painful to leave. If you have to pop it, use a sterilised needle or razor blade. Wash
    the area thoroughly, then make a small hole and gently squeeze out the clear fluid. A dab
    of "Dettol" can help protect against infection.  
    If the fluid is white or
    yellow, the blister is infected and needs medical attention. Do not remove the skin over a
    broken blister; the new skin underneath needs this protective cover. For blisters caused
    by chemical contact or disease see a doctor.  
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