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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What causes sudden dizziness, blurry vision, shaking and weakness in knees?

i am 15 years old and i weigh 220 pounds, about two years previous i would randomly feel really dizzy and my vision would blur around the edges. Id get really weak and all shaky to the point where i couldn t hold myself up and i would have to sit down. It happened a couple of times but stopped and it hasnt happened to me since then until now. I m kind of scared because this time was worse than all the rest. I don t know what to do.
Wed, 17 Jun 2020
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Internal Medicine Specialist 's  Response
Hi,

There can be many causes of dizziness and weakness. We need to have a detailed history and examination of it.

One of the most common causes is diseases associated with ear like labyrinthitis (infection of the ear), vestibular neuritis (inflammation of the nerves), or BPPV (benign positional vertigo).

It can also be related to diseases of the brain (infection or swelling) or heart disorders (arrhythmia- rhythm disturbances) or cervical spondylosis (neck posture-related issues).

Besides this, there are simpler causes like anemia (low hemoglobin), hypoglycemia (low sugar) stress, anxiety, or lack of proper sleep.

Sometimes hormonal disorders( especially thyroid-related problems) or vitamin deficiencies can also be responsible. Hence, I feel, first of all, focus on lifestyle modifications.

Have a well-balanced diet with lots of fruits and vegetables and less tea and coffee. Maintain proper posture while working and sleeping, take good sleep for 7-8 hours.

Try to find time to go for a walk or exercise and try to reduce weight. If still the symptoms persist then do go for some investigations like- complete blood count, sugar levels, electrolytes, TSH, ECG, X-ray cervical spine and MRI brain. If possible do get your vitamin and vitamin b12 levels checked. This will help us to make a proper diagnosis.

Hope I have answered your query. Let me know if I can assist you further.

Take care

Regards,
Dr. Milinda Gupta
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What causes sudden dizziness, blurry vision, shaking and weakness in knees?

Hi, There can be many causes of dizziness and weakness. We need to have a detailed history and examination of it. One of the most common causes is diseases associated with ear like labyrinthitis (infection of the ear), vestibular neuritis (inflammation of the nerves), or BPPV (benign positional vertigo). It can also be related to diseases of the brain (infection or swelling) or heart disorders (arrhythmia- rhythm disturbances) or cervical spondylosis (neck posture-related issues). Besides this, there are simpler causes like anemia (low hemoglobin), hypoglycemia (low sugar) stress, anxiety, or lack of proper sleep. Sometimes hormonal disorders( especially thyroid-related problems) or vitamin deficiencies can also be responsible. Hence, I feel, first of all, focus on lifestyle modifications. Have a well-balanced diet with lots of fruits and vegetables and less tea and coffee. Maintain proper posture while working and sleeping, take good sleep for 7-8 hours. Try to find time to go for a walk or exercise and try to reduce weight. If still the symptoms persist then do go for some investigations like- complete blood count, sugar levels, electrolytes, TSH, ECG, X-ray cervical spine and MRI brain. If possible do get your vitamin and vitamin b12 levels checked. This will help us to make a proper diagnosis. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr. Milinda Gupta