insect bites Flashcards
west nile location
throughout us
malaria vs west nile
malaria has high fever and chills, west nile is just fever and fatigue. Both have flu like sx
malaria location
Africa ad south Asia.
fleas
world wide in humid climates
diseases associated with fleas
bubonic plague and Endemic typhus
Bed bug attack plan.
Attack victims while sleeping
ticks found in the us
Deer tick, dog tick, and wood tick.
Diseases associated with ticks
Lyme disease
Rocky Mountain spotted fever
Lyme disease sx
fever with “bull’s eye” rash
Rocky Mountain spotted fever
rash, fever, headache with severe fatigue
everything can be treated with doxycycline
burrows into skin in interdigital folds and deposits eggs
scabies, Rx only treatment with 5% premetherin
Black widow and brown recluse
delayed intense pain, fever joint stiffness abdominal disturbance. Brown recluse has spreading ulcer wound.
local anesthetic that depress cutaneous receptors
Phenol, and diphenhydramine
Allergic Contact Dermatitis
Pramoxine and benzyl alcohol have lowest incidence
systemic toxicity
Dibucaine and phenol have highest incidence.
do not use phenol and pregos >2% causes necrosis
Avoid use in those with scabies, bacterial, and fungal infections
hydrocortisone 1%
require medical referral
tick and spider bites
Age of patient
<2 require medical refferal
barbed stingers, stay in skin
Honey bees
wasps
high places
hornets
low places
yellow jackets
low places
can sting and bite simultaneously
fire ants
head lice season
august through september
lice maturity time
8 days from hatching
systemic infections
body lice…. typhus/ trench fever
PYRETHRINS (RID)
Block nerve impulse transmission paralysis and death
do not use with chrys allergy
do not use in pts <2
head/pubic lice
PERMETHRINS (NIX)
Disrupts sodium channel of nerve cells, delays repolarizationparalysis and death
head lice