Dizziness: Causes and Solutions for Young Adults

Dizziness and discomfort?

I have been experiencing dizziness since elementary school, and now I am about to enter university.
For the past few years, regardless of whether I have eaten breakfast, whenever I stand in the sun for more than ten minutes in the morning, I start to feel dizzy, my vision becomes blurry, and it gradually turns into a blank space.
I feel nauseous and break out in a cold sweat, needing assistance to stay upright.
However, if I squat down to rest for a moment or move to a shaded area, I feel much better.
Squatting feels more comfortable than sitting upright; could this be because blood flow is better returning to my head? Sometimes, when I wake up and climb stairs, I also experience dizziness, with noticeable numbness and a cold sensation in my head and ears, accompanied by nausea.
However, when I work long hours standing at a beverage shop, I do not experience any discomfort.
I think this might be because I am replenishing my sugar levels from the drinks? These symptoms occur in the morning, but I have not experienced them in the afternoon.
Thank you, doctor.

Chen, 10~19 year old female. Ask Date: 2017/08/20

Dr. Jiang Junyi reply Neurology

Common causes of fainting are due to insufficient cerebral circulation: 1.
A decrease in peripheral vascular tone caused by neural reflexes, leading to blood pooling in peripheral tissues and insufficient blood flow to the brain.
2.
Hypotension triggered by changes in posture, such as when suddenly standing up or getting out of bed.
Conditions like autonomic dysfunction and the use of cardiovascular medications may contribute to this situation.
3.
Issues within the circulatory system itself, such as low blood pressure.
It is recommended that you consult a neurologist or cardiologist for evaluation and treatment.
Wishing you good health and peace.

Reply Date: 2017/08/20

More Info

Dizziness, especially in young adults, can be a concerning symptom that may arise from various underlying causes. Based on your description, it seems that you experience dizziness primarily in the mornings, particularly when standing in the sun for extended periods. This could be indicative of several potential issues, including orthostatic hypotension, dehydration, or even anxiety-related symptoms.

Orthostatic Hypotension: This condition occurs when there is a significant drop in blood pressure upon standing up. It can lead to dizziness, lightheadedness, and even fainting. When you stand up quickly, gravity causes blood to pool in your legs, which can temporarily reduce blood flow to your brain, resulting in dizziness. The fact that you feel better when you squat or sit down suggests that your body may be struggling to maintain adequate blood flow to your head when upright.

Dehydration: Given that you mentioned feeling dizzy after standing in the sun, dehydration could also be a contributing factor. When the body loses fluids, especially in hot weather, it can lead to decreased blood volume, which can exacerbate dizziness. Ensuring that you stay well-hydrated, particularly in warmer conditions, is crucial. Drinking water and consuming electrolyte-rich beverages can help maintain your hydration levels.

Anxiety and Stress: Anxiety can also manifest physically, leading to symptoms such as dizziness, nausea, and sweating. If you find that your symptoms are exacerbated by stress or anxiety, it may be beneficial to explore relaxation techniques or speak with a mental health professional.

Blood Sugar Levels: You mentioned that you feel better after consuming sugary drinks while working. This could indicate that your symptoms may be related to fluctuations in blood sugar levels. Low blood sugar (hypoglycemia) can lead to dizziness, weakness, and confusion. Eating regular meals and snacks that include a balance of carbohydrates, proteins, and fats can help stabilize your blood sugar levels throughout the day.

Other Considerations: It’s also worth noting that certain medical conditions, such as inner ear disorders, migraines, or even cardiovascular issues, can cause dizziness. If your symptoms persist or worsen, it would be wise to consult a healthcare professional for a thorough evaluation. They may recommend tests such as blood pressure monitoring, blood tests to check for anemia or blood sugar levels, or even a referral to a specialist if necessary.

In summary, while your symptoms may be manageable at the moment, it’s important to pay attention to your body and seek medical advice if they continue or worsen. Maintaining hydration, managing stress, and ensuring balanced nutrition can significantly help in alleviating dizziness. If you experience any alarming symptoms, such as fainting, severe headaches, or persistent nausea, don’t hesitate to seek immediate medical attention.

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