MODULE 6 Flashcards
the presence of animal parasites on or in the body
SCABIES
also known as the seven-year itch is a contagious endemic skin
infestation caused by the mite?
SARCOPTES SCABIEI
passed on through prolonged close body or sexual
contact, or indirectly via fomites, factors like overcrowding,
delayed treatment of primary cases, and public awareness, from
infected clothing, bedding or towels.
SCABIES
are often linear or s-shaped tracks, to the point that a neat
“line” of four or more closely placed and equally developed
mosquito-like “bites” is almost diagnostic of the disease
o usually occur in the area of the webs of fingers and toes,
wrists, elbows, back, buttocks,
Superficial burrows
is performed by placing a drop of oil or saline on top of an affected
area of skin. The area is scraped lightly and the scraping is
placed on a slide to examine under a microscope.
Skin scraping to look for the mite
done by drawing a
washable felt-tip marker across the rash and then wiping it off
with alcohol to identify a burrow because the ink penetrates deep
into the skin.
Felt-tip-marker test to identify a burrow
e most effective treatment for scabies
Permethrin
It is the treatment of choice for crusted scabies, and is often
used in combination with a topical agent. It is not
recommended for children under six years of age; effective
for scabies in adults or in women who are pregnant or
breastfeeding
Ivermectin
o is a highly contagious skin condition. It usually occurs on the
face, neck, and hands of young children and infants. Children who
wear diapers also tend to get it around the diaper area.
occurs more rarely in adults, usually following another skin
condition or an infection.
MPETIGO CONTAGIOSA
risk factors of impetigo contagiosa
isk Factors
▪ Two to six years of age
▪ Having dermatitis (itchy, inflammation of the skin, sometimes
caused by allergic reactions)
▪ Poor hygiene
▪ Warm weather
▪ Crowded environment where bacteria can spread easily
▪ Participating in activities that involve skin-to-skin contact
▪ Having diabetes
▪ Having a compromised immune system
hen certain types of bacteria infect the skin
▪ Skin-to-skin contact with an individual who has impetigo
▪ Touching things an individual with impetigo has had contact with,
such as towels, bedding, and toys
▪ Injury to the skin
▪ Insect bites
▪ Animal bites
causes of impetigo contagiosa
primarily affects infants and children younger than 2 years.
o nearly always caused by S. aureus
o releases toxins that trigger the formation of larger painless
fluid containing blisters that appear clear, then cloudy. The
blisters, which break and scab over with a yellow-colored
crust, may be large or small, and may stay longer on the
skin without bursting than sores from
o usually appear first on the torso, arms, and legs.
o skin around the blister is usually red and itchy but not
sore.
BULLOUS IMPETIGO
a more serious form of impetigo in which the infection
penetrates deeper into the skin’s second layer, the dermis
o Blisters tend to be painful and may turn into ulcers, or
aggravated, open sores. Swollen lymph nodes and scars
may also occur
Ecthyma
the most common type of impetigo in children
o very contagious
o usually caused by S. aureus but also can be due to infection
with S.pyogenes.
o begins as tiny blisters that eventually burst and leave small
wet patches of red skin that may weep fluid.
o Gradually, a yellowish brown or tan crust covers the
affected area, making it look like it has been coated with
honey or brown sugar usually begins with red sores around
the nose and mouth.
o These blisters burst, leaving a weeping, red rash that
becomes crusted. This rash may be itchy but is not
painful. Swollen lymph nodes (bean shaped glands that
help body fight infection)
NONBULLOUS IMPETIGO
Antibiotic pill or liquid to be
taken for 7-10 days FOR IMPETIGO CONTAGIOSA
MUPIROCIN
