Q: After coming back from a recent vacation, I’ve noticed some bites on my arms and legs. I’m worried that I could have picked up bed bugs from my hotel! I’ve only been back for a week, so I don’t ...

What they look like: Often confused with mosquito bites, bed bug bites are small, red, puffy bumps that appear in lines or clusters, usually three or more. They can have distinct red marks at their ...