Insect Bites and Stings: How to Prevent and When to Worry
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Insect Bites and Stings: How to Prevent and When to Worry

Learn about what you can do to protect yourself from different types of insect bites and stings -- and get quick tips on to do you’re bitten.

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You’re out enjoying a wonderful picnic supper with your family when -- ouch! You’ve been stung by a bug. Suddenly you went from having dinner to becoming dinner. With insects, the pain and irritation of the bite or sting may be a mild annoyance, but some carry disease, which can lead to serious medical problems. What can you do to protect yourself and, if bitten, when should you see your doctor?

 

Deer Tick

2 / 6 Deer Tick

Where: Mainly the northeast and upper midwest
May spread: Lyme disease
Prevent it: Deer ticks are transmitted by deer, so avoid tall, grassy and wooded areas. Wear long pants and sleeves. Use insect repellant such as DEET. Check your entire body for ticks as soon as you go inside, even if you’ve taken these precautions. A tick needs to be attached to your skin for 36-48 hours before the spirochete bacteria enters your body. Prompt removal helps prevent Lyme disease.
Call a doctor if: You see a bite that looks like a bulls-eye -- concentric circles. Other symptoms include fever, significant fatigue, body aches, stiff neck and headache. Early treatment frequently has a positive outcome.
Dog Tick

3 / 6 Dog Tick

Where: All states, but mainly North Carolina, Oklahoma, Arkansas, Tennessee and Missouri. 
May spread: Rocky Mountain Spotted Fever
Prevent it: Dog ticks are transmitted by free-roaming dogs; they can also be found in woods and areas with high grass. Use appropriate insect repellant and wear pants and long sleeves. It can take a tick anywhere from 10 minutes to two hours to prepare to feed, so it’s important to do a body check as soon as you get inside.
Call a doctor if: You have a fever, severe headache, muscle and joint pain, nausea and vomiting, abdominal pain or a red, blotchy rash that starts on your ankles and wrists and spreads across your body within a week of being bitten.
Bees and Wasps

4 / 6 Bees and Wasps

Where: Anywhere in the U.S. These flying insects are most active during the hottest parts of the day.
May spread: The stings don’t spread disease, but they can become infected causing conditions like cellulitis.
Prevent it: Wasps are attracted to food, so be sure to put it away as soon as you’re finished eating. Avoid wearing cologne, since wasps are attracted to flowery scents.
Call a doctor if: A person has an allergic reaction, called anaphylaxis. Anaphylaxis is life threatening (many people who are allergic die within an hour of being stung) and requires emergent treatment with an epinephrine injection. Call 911 immediately if you don’t have the injection kit. 
Mosquitos

5 / 6 Mosquitos

Where: Anywhere with stagnant water, where they breed.
May spread: In the lower 48 states, primarily West Nile virus
Prevent it: Remove standing water, keep gutters clean and clear areas with heavy underbrush. Wear pants and long sleeves between dusk and sunrise, when mosquitos are most active. Use insect repellant. Most people who become infected recover, although they may feel significant fatigue and weakness for several weeks or months.
Call a doctor if: Signs of infection develop. Symptoms can include a fever, fatigue, confusion, headache, body and joint pain, vomiting and diarrhea.  
Spiders

6 / 6 Spiders

Where: Places where they can stay dry and sheltered: Woodpiles, attics and basements.
May spread: Most spider bites are harmless. Bites from venomous spiders such as the black widow, brown recluse and hobo spider may require immediate medical attention. 
Prevent it: Wear pants and long sleeves if you’re working around a woodpile or in an attic or basement. Look for webs and don’t stick your hand anywhere blindly.
Call a doctor if: The bite becomes red, swollen and increasingly painful, or you develop other symptoms such as a lesion, fever, muscle pain, chills and sweating.