Reactions that happen within minutes are more severe. Reactions that take up to a few days to develop are less severe. People who know they are sensitive should see a doctor after any sting, regardless of severity. Act fast if bitten by a spider, or stung by a scorpion, or if you have a violent reaction. Call 911 if necessary.
Many people are sensitive without knowing it.
Prevention is the key once you know that you are allergic to an insect bite or sting. If you are sensitive, avoid walking barefoot when outdoors. Do not disturb bee hives or hornet nests. Keep garbage cans tightly covered to avoid attracting insects. Treat mild insect bites for pain with a paste of baking soda.