While melatonin is generally considered safe for short-term use, studies indicate several possible side effects:
- Common side effects:
- Headache
- Dizziness
- Daytime sleepiness
- Nausea
- Less common side effects:
- Vivid dreams or nightmares
- Mild anxiety
- Temporary depression
- Irritability
Long-term use may affect hormonal development in children and teenagers. It’s important to consult healthcare providers before starting melatonin, especially if taking other medications or having existing medical conditions.
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Last Updated: September 20, 2025
Disclaimer: This information is for educational purposes only and should not replace professional medical advice. Always consult with a healthcare provider before making health decisions.
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