As u never became unconscious and it has been many hours since your injury, most likely there is nothing alarming. It wiuld have been just a concussion injury which caused to to vomit. Pain in the head or neck could be a soft tissue injury due to the impacr
Next Steps
Do visit a doctor as get a xray if the next and a CT scan fir brain if advised. Take a paracetamol for pain and observe
Health Tips
Watch fir any vomiting ir severe headache. Dont ignore if your symptoms persist.