Health & First Aid
Head injury: concussion warning signs
Head injury: the right reflexes in a few simple steps.
Written by Mohamed IDBRAHIM · Updated octubre 13, 2026 · 7 min read
Immediate actions
- 1 Watch for vomiting, drowsiness or confusion for 48 hours.
- 2 Apply a cold pack to the bump.
- 3 Rest without screens or sport.
- 4 Go to the ER for unequal pupils, repeated vomiting or blackout.
What not to do / warning
Symptoms appearing hours later are common — keep watching.
When a head injury happens, the first minutes matter. Follow these steps to act safely and without panic.
What to do right now
- Watch for vomiting, drowsiness or confusion for 48 hours.
- Apply a cold pack to the bump.
- Rest without screens or sport.
- Go to the ER for unequal pupils, repeated vomiting or blackout.
Mistakes to avoid
- Acting before removing the immediate source of danger.
- Panicking or skipping the official procedures.
- Following unverified advice from random websites.
How to prevent this in the future
Regular checks, keeping emergency numbers visible and preparing an essentials kit go a long way. Save this guide for offline access.
Frequently asked questions
What should I do first?
Ensure everyone is safe, remove the source of danger, then call the relevant number or begin the official procedure.
When should I call emergency services?
Whenever life, serious injury or fire is involved. When in doubt, call — dispatchers would rather check than miss an emergency.
Sources & references
- CDC (https://www.cdc.gov/headsup/)