Reason for Dizziness & Nausea
Dizziness is a general term used to describe light-headedness, vertigo and disequilibrium. Nausea is the sensation of needing to throw up, and it can be debilitating. Dizziness and nausea often occur together, are usually temporary, and are often caused by a medical condition, sudden illness or physical movement.
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Inner Ear
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A common cause of dizziness and nausea is an inner ear infection. The inner ear sends signals to the brain that aid in balance. When an infection occurs, dizziness and nausea may last for several days.
Motion Sickness
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When the brain receives conflicting signals from the eyes, inner ears and body about motion, dizziness and nausea may transpire. Young children are most susceptible, but many adults also struggle with motion sickness.
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Hypoglycemia
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Hypoglycemia, or low blood sugar, can cause sudden dizziness, nausea and even fainting.
Blood Pressure
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A sudden drop in systolic blood pressure will cause dizziness, often followed by nausea. Often this happens from standing up too fast, but other medical reasons can also be the cause.
Exercise
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Overexertion and dehydration during exercise are other common causes of dizziness and nausea. However, even moderate exercise can bring about dizziness and nausea in people with underlying health illnesses like diabetes and heart disease.
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