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Dehydration, low blood pressure, inner ear problems, anxiety, or medications. Sudden severe dizziness needs urgent evaluation.
Dizziness: lightheaded, unsteady. Vertigo: spinning sensation, often with nausea.
If frequent, severe, with other symptoms, or affecting daily life.
Yes, very common cause. Drink water regularly, especially in hot weather or when exercising.
Usually not, but can indicate serious conditions if sudden, severe, or with chest pain/neurological symptoms.
Last reviewed: December 2025
Reviewer: Healthcare Content Team
This information is for educational purposes only and does not replace professional medical advice. Always consult a healthcare provider for diagnosis and treatment.