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Skin, Hair and Nails


Cellulitis Cellulitis is a common and serious bacterial infection of the skin and the tissues beneath the skin. It appears as a swollen, red area of skin that feels hot and tender, and it may spread rapidly.

Measles Measles is a highly contagious viral respiratory disease that is spread through the air by way of coughing and sneezing. Some people who get measles develop serious complications including ear infections, pneumonia and diarrhea. The WHO reports that measles kills more than 140,00 children around the world each year, but that it can be prevented through inexpensive vaccines, usually administered in two doses at a prescribed interval.

Scabies Scabies is a contagious skin infestation caused by the mite Sarcoptes scabiei. The mites are spread from person to person during relatively long physical contact and can come from people who have not yet shown any symptoms. Symptoms include severe itchiness and rash anywhere on the body and often in areas such as between the fingers, wrist and waist. Secondary infections can sometimes develop because of scratching and skin breakdown.

Sexually Transmitted Infections Sexually transmitted infections (STIs) are infections that can be transferred from one person to another through any type of sexual contact.

Skin lesions The intent of this module is to help you describe and identify major types of skin lesions (skin problems, rashes, etc.) but not the diseases with which they are associated. A wide variety of diseases may be associated with any of these lesions.