"It's not. It's just from something I ate." Which is technically true even if practically he's missing a few details.

Now that Miko's a bit closer though, Strange can't help but look her over with a frown. She looks familiar, which is odd because why would he know a teenager in the first place. It's a crapshoot whether this is one of those odd memory things or just Strange's natural forgetfulness, but he's certainly looking at Miko with a critical frown. "Have we met?"