4. Venomous Non-venomous
•sting •bites
•bee, wasp •feed on your blood
•defence mechanism •intense itching
•injecting toxic and
painful venom
5. Signs and Symptoms
Venomous Non-venomous
•stinging sensation or •little more than papular
pain rash
•redness and swelling •small raised red spot
•Itch: not concern •blister
•anaphylaxis •open sore that may
•rhabdomyolysis become infected
•carriers or vectors of
diseases
6.
7. Management
No specific antivenin
Treatment: local wound care and general
supportive measures
venom apparatus
removed by scraping edge of scalpel blade parallel to
skin and lifting apparatus away from skin
8. Management
Ice bag wrapped in towel: reduce pain and
swelling
Oral antihistamine
Anaphylaxis
adrenaline, H1- & H2- blocker, corticosteroids
Tetanus toxoid: considered
Antibiotic: controversial
13. Paederus dermatitis
contact dermatitis characterized by a sudden
onset of erythematobullous lesions on exposed
areas of body
does not bite or sting
release paederin
Characteristically lesions
linear
kissing lesion
Scarring usually does not occur.
15. Treatment
removing irritant by washing area with soap and
water
blistered site
cool wet soaks
topical steroid
considered oral antibiotic: prevent bacterial infection
antihistamine