Step 4: Read and complete the decision guide to learn more about your symptoms.
Nausea and Vomiting
It is reassuring that you have not had a recent head blow, because nausea or vomiting after a head injury can be a sign of a bleeding emergency. Other brain or nervous system causes of your nausea or vomiting should be considered if you are having another symptom, such as a headache, dizziness, or a problem with your vision (blurred or blocked vision), that brings our attention to your brain or nervous system.
Do you have a headache, dizziness, or a new vision problem?