What happens inside my body during an asthma attack?

During an asthma attack your airways swell, become inflamed, and produce more mucus. Meanwhile, the muscles around them tighten. All that causes your airways to narrow and leads to asthma attack symptoms.

What happens during an asthma attack and what does it feel like? Here’s what you should know.

A flare-up can surprise you—here's how to prevent one.

Most people with asthma understand asthma triggers. But do you know what causes asthma in the first place?

If you're prone to having asthma attacks, a treatment plan is critical. Follow these guidelines and plan to breathe easier.

While some clues are surprising, if you know what to look for, you'll be better prepared for your next attack.