Shoo, fly! Spring and summer bring the urge to get outside and enjoy the warmth and sunshine. But they can also come with an itch -- one caused by bug bites.

In some cases insect bites can cause pain or become life-threatening when an allergic reaction occurs.

These DukeHealth.org resources can help you understand what insect bites are and why they cause itching and pain, and offer some treatments options. Armed with this knowledge, hopefully you can win the battle of the bugs.

Insect bites 101

Bug repellent safety

What to do if you swallow bug spray

When to Contact a Medical Professional

Call 911 if the person is having a severe reaction:

• Trouble breathing, wheezing, shortness of breath
• Swelling anywhere on the face
• Throat feels tight
• Feeling weak
• Turning blue