Fainting is a brief loss of consciousness that occurs when the brain doesn’t receive enough blood flow. It can happen suddenly and look alarming, but according to Healthdirect Australia, most fainting episodes are not dangerous and resolve quickly once the person lies down.
Anyone can faint, and the most common triggers include standing for too long, overheating, stress, dehydration, or not eating enough.
What Happens When Someone Faints
A person may feel light-headed, dizzy, sweaty or nauseous before fainting. Their vision might blur, and they may say they feel weak or “about to collapse.”
The Better Health Channel notes that fainting usually lasts seconds to a minute and that recovery is faster when the person lies flat on the ground.
What To Do When Someone Faints
If someone faints nearby, stay calm and follow these simple first aid steps supported by Healthdirect and SA Health:
- Check for safety
Make sure the area is safe and clear. If possible, gently ease the person to the ground so they don’t fall. - Lay them flat
Position the person on their back. Loosen tight clothing around the neck and chest. - Raise their legs
Lift their legs slightly to improve blood flow back to the brain. - Check their breathing
Look for normal breathing. If they are not breathing or do not wake up within a minute, call emergency services immediately. - Keep them comfortable
Allow fresh air to circulate by opening a window or moving them to a cooler area if possible. - Reassure and monitor
When they wake up, encourage them to stay lying down or seated for at least ten to fifteen minutes. Standing too soon may cause another faint. - Check for injuries
If they hit their head or remain confused after waking, seek medical assistance.
If the person vomits at any point, gently roll them onto their side to keep their airway clear.
When To Seek Medical Help
According to NSW Health and Healthdirect, you should seek medical attention if:
- The person does not regain consciousness quickly
- They have chest pain, trouble breathing or an irregular heartbeat
- They have diabetes or are pregnant
- The faint happened during physical activity
- There is a head injury
- They have repeated fainting episodes
If in doubt, it is always safer to get checked by a doctor.
How To Help Prevent Fainting
The Better Health Channel recommends the following prevention tips:
- Drink enough water throughout the day
- Eat regular meals to maintain blood sugar
- Avoid standing still for long periods
- Rest if you start feeling light-headed
- Move to a cooler area if overheated
- Rise slowly from sitting or lying positions
These simple habits can reduce the chance of fainting, especially for those who are prone to it.
Final Thoughts
Fainting can be frightening to witness, but most episodes are mild and pass quickly with simple first aid. Staying calm, laying the person flat, and checking their breathing can make a significant difference in their recovery.
If the person does not improve quickly or you feel unsure, contact emergency services or seek medical advice. Trusted Australian health authorities like Healthdirect and the Better Health Channel provide helpful guidance for recognising and responding to fainting safely.
Sources:
Better Health Channel. (2022). Fainting (syncope). Victorian State Government, Department of Health. Retrieved from https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/fainting
Healthdirect Australia. (2023). Fainting (syncope). Australian Government, Department of Health and Aged Care. Retrieved from https://www.healthdirect.gov.au/fainting
Royal Children’s Hospital Melbourne. (2023). Syncope (fainting): Kids Health Info. Royal Children’s Hospital Melbourne. Retrieved from https://www.rch.org.au/kidsinfo/fact_sheets/Syncope_fainting/
SA Health. (2024). Syncope (fainting). What you need to know. SA Health. Retrieved from https://www.sahealth.sa.gov.au
NSW Health. (2023). Dizziness and fainting. NSW Government Health. Retrieved from https://www.health.nsw.gov.au