My 14 month old fell off her chair & hit her head on our tile kitchen floor. an hour later she threw up a little but seemed unfazed by it. is she ok?

No: She may have a concussion or worse. Take her to the emergency room to get checked out.

Knocked out ?: A fall of that distance to a tiled floor can be a problem.Any kid not knocked out by a fall, but simply hurt & crying is at low risk. A single vomiting episode is common.If problems are going to happen you usually see a rapid onset of repeated vomiting as a sign of deterioration. If so, seek an evaluation.