Dizziness Upon Waking: Causes and Solutions - Family Medicine

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Dizziness upon waking up?


It was like this: one time I woke up feeling very dizzy, nauseous, and my legs felt weak.
After taking a nap, I felt fine again, so I thought it was just low blood sugar.
However, it happened again recently, but this time it occurred after I got to school.
I ended up vomiting in the hallway...
Interestingly, I saw a doctor, and they said it was gastroenteritis, but I haven't had severe diarrhea or abdominal pain! Doctor, what is really going on with me?

benson, 10~19 year old female. Ask Date: 2022/10/22

Dr. Lin Zhebin reply Family Medicine


Hello: Based on your age and assuming there has been no prior head/brain injury, the episodes of dizziness and vomiting could potentially be attributed to peripheral vertigo.
Common diagnoses include benign paroxysmal positional vertigo, vestibular neuritis, and Meniere's disease.
The most likely causes are often related to stress and infections, and general respiratory infections and gastroenteritis can also present with dizziness and vomiting.
It is advisable to first consult a pediatrician, and if necessary, a referral to a neurologist or an otolaryngologist can be made.

Reply Date: 2022/10/22

More Info


Dizziness upon waking can be a concerning symptom, especially when accompanied by nausea and weakness. Your experience of feeling dizzy and wanting to vomit upon waking, followed by a resolution after resting, suggests that there could be several underlying causes. It's important to consider various factors that may contribute to this sensation.

One potential cause of dizziness upon waking is orthostatic hypotension, which occurs when there is a sudden drop in blood pressure upon standing up. This can lead to feelings of lightheadedness or dizziness, particularly if you have been lying down for an extended period. If you have been dehydrated or have not eaten adequately, this could exacerbate the issue. It’s advisable to rise slowly from a lying position to give your body time to adjust.

Another possibility is vestibular dysfunction, which affects the inner ear and can lead to balance issues and dizziness. This might not be directly related to your gastrointestinal symptoms, but if you have experienced any recent infections or illnesses, it could be a contributing factor.
Additionally, anxiety and stress can manifest physically, leading to symptoms such as dizziness, nausea, and weakness. If you are experiencing high levels of stress, especially related to school or personal life, this could be a significant factor in your symptoms.

Regarding your doctor's diagnosis of gastroenteritis, it’s worth noting that gastrointestinal issues can sometimes present with dizziness, even in the absence of typical symptoms like diarrhea or abdominal pain. The body’s response to illness can lead to dehydration or electrolyte imbalances, which can cause dizziness and nausea.

Here are some steps you can take to address your symptoms:
1. Hydration: Ensure you are drinking enough fluids, especially if you suspect dehydration. Electrolyte solutions can be beneficial if you have been feeling unwell.

2. Nutrition: Eating small, frequent meals can help maintain blood sugar levels and prevent dizziness. Focus on balanced meals that include carbohydrates, proteins, and healthy fats.

3. Gradual Movements: When getting out of bed, take your time. Sit up slowly and wait a moment before standing to allow your body to adjust.

4. Monitor Symptoms: Keep a diary of your symptoms, noting when they occur, their duration, and any associated activities or stressors. This information can be helpful for your healthcare provider.

5. Follow-Up: If your symptoms persist or worsen, it’s crucial to follow up with your healthcare provider. They may recommend further testing, such as blood tests to check for anemia, electrolyte imbalances, or other underlying conditions.

6. Stress Management: Consider techniques such as mindfulness, meditation, or yoga to help manage stress and anxiety, which can contribute to physical symptoms.

In conclusion, while your symptoms may seem benign, they warrant attention, especially if they recur. By addressing hydration, nutrition, and stress, you may find relief. However, do not hesitate to seek further medical advice if your symptoms continue or if you have any new concerns. Your health is paramount, and understanding the root cause of your dizziness is essential for effective management.

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