The first time I booked a flight after being diagnosed with ankylosing spondylitis (AS) I was terrified. I had several questions, a healthy dose of anxiety, and very few answers: Did I need to take precautions because of my medications? Did I need to pack anything special? How should I prepare ahead of time? The following are some helpful tips I have gathered along the way that may help you plan for a flight before you even arrive at the airport.