Don’t mess with these travel maladies.

On a recent trip to Egypt, I opted for sky-high heels during a dinner event (to be fair, they looked amazing!) and ended up with an ugly blister. I wasn’t especially worried. I simply tried to keep it covered and clean during the remainder of my holiday. It seemed fine.

A few days later, on my flight home, I felt my ankle start to throb. Soon, my entire foot looked angry, puffy, and red. I booked an urgent care visit as soon as I landed stateside. The diagnosis: cellulitis, a dangerous skin infection that can be life-threatening if left untreated.

I responded well to antibiotics, but it was an important lesson. There are certain symptoms none of us should ever ignore when we are far from home, no matter how much we want to push through. Here’s when

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