Leonard doesn't mind her suspicion. In fact, he expects it. She's from a place without a lot of medicine. It can't be helped. He smiled in a comforting way. At least, he hoped it looked comforting.

"It shouldn't. You're welcome to stay at the station for a while. There are occasionally some side effects, allergic reactions, but it's rare. The risk of one should pass in about ten minutes. As long as it looks like I'm working on something, Dr. Crusher won't mind you staying put until the waiting period is over."

He could always work on annotating different files.