при ухапване от насекоми
https://writeablog.net/maryldknto/insect-bites-and-stingsmattress-bugs-can-usually-be-discovered-initially-within
Insect Bites And Stings If a secondary an infection is current, treatment should initiate with appropriate antibiotics. Most spider bites are minor, though they can cause delicate swelling or allergic reactions.