Bites and Stings: Signs and management Flashcards
What is an insect bite?
Skin is punctured by piercing mouthparts or laceration
What is an insect sting?
Venom injected into skin from sac attached to barbed/non-barbed stinger
How do insect bites typically resolve?
Bites resolve completely within hours unless mouthparts remain in skin or infestations aren’t treated
What are the typical reactions to insect stings?
Minor local reactions that resolve within hours to days
What symptoms commonly occur at the site of an insect sting or bite?
Pain and small, erythematous lump
What mild allergic reaction can occur due to insect stings or bites?
Surrounding skin raised and itchy
What are potential complications from insect bites and stings?
- Systemic toxicity from multiple bites/stings
- Infection transmission
- Secondary skin infections
Which is more likely to cause anaphylaxis, bites or stings?
Stings are more likely than bites to cause anaphylaxis
What is the first step in the initial management of an insect sting?
Remove stinger by scraping sideways off skin
How should ticks be removed from the skin?
Pull upwards with tweezers
What should be done to clean the area after an insect sting or bite?
Clean area with soap and water
What can be applied to relieve swelling after an insect sting or bite?
Ice pack
What medications can be used for pain relief after an insect sting or bite?
- Oral ibuprofen
- Paracetamol
What treatments can be used for itchiness following an insect sting or bite?
- Topical corticosteroids
- Oral antihistamines
When should tetanus prophylaxis be considered in relation to insect bites?
If patient’s tetanus vaccinations are not current