These types of reactions usually occur within minutes of the sting but have been known to be delayed for up to 24 hours. Prompt treatment is essential, and emergency help is often needed.
Seda tüüpi reaktsioonid tekivad tavaliselt mõne minuti jooksul nõelamine, kuid on teada, et edasi lükata kuni 24 tundi. Küsi ravi on vajalik, ja erakorralise abi on sageli vaja.