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What Causes Dizziness? 10 Common and Hidden Causes You Shouldn’t Ignore

By Michael Lam, MD, MPH, Carrie Lam, MD, Jeremy Lam, MD

Evidence-Based Reviewed Article

In This Article

What causes dizziness? It’s a common question, and if you are dealing with dizziness, it can disrupt your daily life and indicate potential health issues. In this article, we’ll explore what causes dizziness, including common and often overlooked triggers, when to seek medical attention, and steps to regain your balance.

What Is Dizziness? Common Symptoms

Dizziness refers to a variety of symptoms associated with balance and spatial awareness. These sensations can include:

  • An image of a dizzy personFeeling lightheaded
  • A near-fainting feeling, often brief
  • A feeling of spinning (also known as vertigo)
  • A sense of floating or wooziness
  • Feeling “foggy” or confused
  • Feeling shaky or out of balance
  • Trouble walking straight or maintaining posture

These sensations can vary from person to person. They might happen all at once or slowly over time. They might be caused by moving your head, standing up too rapidly, or not drinking enough water.

Other Dizziness Symptoms

Dizziness can also be connected to the following:

  • Nausea or vomiting
  • Headache
  • Tinnitus (ringing in the ears)
  • Blurred or double vision
  • Weakness or numbness

Emergency Dizziness Symptoms: Seek Medical Attention Now

In some cases, feeling dizzy may indicate that you need to see a doctor right away. If you suddenly feel dizzy and have any of the following, call 911 or get medical attention right away:

  • Chest pain or a severe headache
  • Confusion, slurred speech, or loss of vision
  • Passing out, having seizures, or inability to stay conscious
  • Numbness or weakness in the arms, legs, or face
  • Trouble walking or severe loss of balance
  • Shortness of breath or a fast heartbeat

These symptoms could indicate a stroke, heart condition, or serious neurological problem and require immediate evaluation.

What Causes Dizziness? 10 Common Medical Causes Explained

Dizziness is a common symptom, but it doesn’t mean you should ignore it. Knowing what causes dizziness might help you and your doctor figure out what’s going on with your body.

Here are the 10 most common medical causes for why people feel dizzy:

1. Inner Ear Disorders

Your inner ear is very important for keeping your balance. Dizziness generally happens when something goes wrong with that system.

  • BPPV, or Benign Paroxysmal Positional Vertigo: This is the most common cause of vertigo. When you move your head, like when you turn over in bed, tiny calcium crystals in the inner ear come loose and cause you to feel like you’re spinning [1].
  • Labyrinthitis: A viral infection in the inner ear that makes it hard to hear and keep your balance. Some of the symptoms are sudden vertigo, hearing loss, and nausea.
  • Vestibular Neuritis: A viral infection that makes the vestibular nerve swell, causing severe, long-lasting vertigo but usually not hearing loss.
  • Meniere’s Disease: This disease causes sudden episodes of vertigo, hearing loss, tinnitus (ringing), and a feeling of fullness in the ear. It is caused by fluid building up in the inner ear [2].

2. Circulation Problems

Proper blood flow is essential for brain function and balance.

  • Low Blood Pressure (Orthostatic Hypotension): If you stand up too quickly, your blood pressure may drop suddenly, which can make you feel faint or lightheaded.
  • Heart Rhythm Disorders (Arrhythmias): Irregular heartbeats may disrupt blood flow to the brain, leading to dizziness or even fainting.
  • Dehydration or Heat Exhaustion: When you lose fluids and electrolytes, your blood volume and pressure can drop, which can make you dizzy by reducing oxygen to the brain.
  • Blocked Arteries (Vertebrobasilar Insufficiency): Narrowing in the arteries that supply the brainstem can cause persistent dizziness, particularly in elderly persons.

3. Neurological Conditions

Some brain-related conditions may directly impact your balance system.

  • An image of a person with neurological conditions that cause dizzinessMigraine-Associated Vertigo: Not all migraines cause pain. Some make you feel dizzy or have vertigo, and they commonly come with nausea, sensitivity to light, or vision problems.
  • Multiple Sclerosis (MS) and Parkinson’s Disease: Both conditions affect the central nervous system and can make it hard to keep your balance and coordinate your movements. Dizziness is a common early sign.

4. Blood Sugar Imbalances

People with diabetes often have low blood sugar, which can make them dizzy, sweaty, shaky, and confused, especially if they haven’t eaten or have taken too much insulin.

5. Anemia

If your red blood cell count is low, your brain may not receive sufficient oxygen, resulting in fatigue, weakness, and dizziness. Anemia can result from iron deficiency, chronic illness, or blood loss [3].

6. Medication Side Effects

Several medications list dizziness as a potential side effect. Some common causes are:

  • Medications for high blood pressure
  • Sedatives or tranquilizers
  • Antidepressants
  • Anti-seizure medications

7. Mental Health Triggers

  • Anxiety and Panic Attacks: When you are anxious and having panic attacks, hyperventilation and heightened awareness of your body’s sensations might make you feel dizzy, lightheaded, or a sense of unreality.
  • Depression: Some people suffering from depression experience physical symptoms such as feeling unsteady and severe lightheadedness.

8. Carbon Monoxide Poisoning

This silent danger can cause flu-like symptoms like dizziness, headaches, and confusion. If more than one person in a family has symptoms at the same time, leave and get medical assistance right away.

9. Motion Sickness

When what your eyes see and what your inner ear senses don’t match up, like when you’re riding in a car or boat, you can get dizzy, sick, or throw up.

10. Head Injuries or Concussions

Even minor trauma can make it hard for the brain to absorb sensory information correctly, which can cause dizziness that lasts for a long time, especially during movement.

Could It Be Adrenal Fatigue? The Overlooked Dizziness Trigger

Dizziness can be frustrating and disruptive, but what if it’s not due to vertigo or problems with your inner ear? Many people may not know that the real problem is deeper, in a condition that conventional medicine usually misses: Adrenal Fatigue.

Adrenal Fatigue happens when the body can’t handle long-term stress anymore. It is a condition in which the adrenal glands, which play an important role in your stress response, get overwhelmed.

This happens when stress from things like emotional strain, unhealthy eating habits, inadequate exercise, a chronic illness, or toxins in the environment pushes the body beyond its capacity to adapt.

It usually starts with feeling tired and not being able to handle stress. As time goes on, symptoms can get worse and include brain fog, trouble sleeping, anxiety, hormonal imbalances, weight changes, and in many cases, constant dizziness.

How Adrenal Fatigue Causes Dizziness?

Dizziness from Adrenal Fatigue isn’t the same as the spinning feeling that comes with classic vertigo. More often, it’s described as feeling lightheaded, like you’re floating, or like you could pass out. Often, neurological exams and blood pressure tests show no clear abnormalities.

So what’s going on?

Reactive Hypoglycemia

Cortisol, your primary stress hormone, decreases as your adrenal function declines. If you don’t have enough cortisol, it becomes hard to keep your blood sugar stable. Even if your blood sugar levels seem normal, you may still have symptoms of hypoglycemia. This might make you feel dizzy all of a sudden, especially if you skip meals or are under a lot of stress.

Low Aldosterone and Salt Loss

An image of a person with low aldosterone levelsAldosterone is another hormone that your adrenal glands make. It helps keep blood pressure in check by keeping salt and fluid levels balanced.

Low levels of aldosterone make you lose sodium and water, which can lead to dehydration and postural hypotension, which is when your blood pressure drops when you stand up [4].

Chronic Dehydration

People with Adrenal Fatigue are often dehydrated, even if they drink water regularly. When you don’t have enough electrolytes or fluid, your blood volume goes down, and your brain doesn’t get enough oxygen, making you dizzy.

Autonomic Nervous System Imbalance

The autonomic nervous system, which controls heart rate and blood pressure, goes into overdrive to make up for insufficient adrenal production. This can cause hyperadrenergic orthostatic hypotension, where your body has a hard time keeping blood pressure steady during posture changes. Hyperadrenergic orthostatic hypotension will make you feel dizzy all of a sudden, especially after a hot bath or getting up too quickly.

Herbs, Supplements, and Stimulants

Sometimes prescription medications, glandular extracts, and even natural medicines like maca, rhodiola, ashwagandha, and licorice may make dizziness worse. Surprisingly, caffeine may help some people by slightly raising their blood pressure if hypotension is the main cause.

Managing Dizziness Naturally: Tips for Long-Term Relief

Dizziness can be unsettling, but there are natural strategies to get long-lasting relief. Identifying what causes dizziness in your individual case and adopting supportive habits can help:

1. Identify the Root Cause with Proper Testing

Dizziness is a symptom, not a diagnosis. It’s really important to see a doctor for a full evaluation to find out what the specific problem is.

2. Nutrition: Stabilizing Blood Sugar and Hydration

Diet is crucial for managing dizziness:

  • Eat small, regular meals to keep your blood sugar levels stable.
  • Drink 8 to 10 glasses of water every day to avoid feeling dizzy from dehydration.
  • Cut back on caffeine and alcohol because they can throw off your inner ear balance.
  • Add foods high in iron, including spinach and lean meats, to your diet to fight anemia.
  • Put salt in your water if you have Adrenal Fatigue and low blood pressure. If you think you might have Adrenal Fatigue, don’t try to figure it out alone. Consider talking to an Adrenal Fatigue expert.

3. Lifestyle: Sleep, Low-Stress Living, Adrenal Breathing

Prioritizing rest and calming your body can support your health in many ways:

  • Get 7 to 9 hours of quality sleep every night.
  • Try meditation or deep breathing exercises to help you relax.
  • Do adrenal breathing exercises to help you stay calm and regulate your hormones.

4. Herbs and Supplements

Certain supplements may alleviate dizziness:

  • Ginger: Known to reduce nausea and improve circulation.
  • Ginkgo biloba: May enhance blood flow to the brain. Brain Trust is an excellent choice since it combines Ginkgo biloba (standardized to 24% flavonglycosides and 6% ginkgolides) with Huperzine A, Phosphatidyl Serine, RoseOx®, Gotu Kola, and other nutrients that help with retention, focus, and mental clarity.
  • Vitamin B12: Essential for nerve health; deficiencies can cause dizziness. A high-quality option is Hydroxo B12, which delivers 2,000 mcg of hydroxocobalamin in a convenient lozenge. This form of B12 doesn’t have a methyl group, allowing it to easily change into active forms of B12, such as methylcobalamin and adenosylcobalamin. These forms help with energy metabolism, brain function, making red blood cells, and getting rid of toxins in cells. It’s great for people who are sensitive to methylation.

However, always consult a healthcare provider before starting any supplement, as interactions and side effects can occur.

5. Movement: Tai Chi, Yoga, Avoiding High-Impact Workouts

Gentle exercises can help with balance and make you less dizzy:

  • An image of individuals practicing Tai ChiTai Chi: Enhances stability and coordination.
  • Yoga: Promotes balance and relaxation.
  • Avoid high-impact exercise: These kinds of exercises could make symptoms worse, especially if you have Adrenal Fatigue and low cortisol.

6. Tech Hygiene: Reducing EMF Exposure

While research is ongoing, some people report sensitivity to electromagnetic fields (EMFs) [5]. To reduce potential exposure:

  • Limit the time you spend in front of a screen, especially before bed.
  • Use wired connections. When you can, choose wired internet over Wi-Fi.
  • Turn off electrical devices while you’re not using them.

7. When to Seek Medical Care

Immediate medical attention is necessary if dizziness is accompanied by:

  • Chest pain
  • Shortness of breath
  • Severe headache
  • Blurred vision
  • Fainting

In Closing

Dizziness can stem from various factors, from something as simple as dehydration to more complex neurological or adrenal issues. Fortunately, most causes can be managed with the right identification.

Understanding what causes dizziness empowers you to take effective steps toward lasting wellness. If you think Adrenal Fatigue is a factor, the Lam Clinic can provide a supportive path to stability.

References

  1. Palmeri R, Kumar A. Benign Paroxysmal Positional Vertigo. [Updated 2022 Dec 26]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan–. Available from: https://www.ncbi.nlm.nih.gov/books/NBK470308/
  2. Koenen L, Andaloro C. Meniere Disease. [Updated 2023 Aug 21]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan–. Available from: https://www.ncbi.nlm.nih.gov/books/NBK536955/
  3. Warner MJ, Kamran MT. Iron Deficiency Anemia. [Updated 2023 Aug 7]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan–. Available from: https://www.ncbi.nlm.nih.gov/books/NBK448065/
  4. Arai K, Papadopoulou-Marketou N, Chrousos GP. Aldosterone Deficiency and Resistance. [Updated 2020 Nov 24]. In: Feingold KR, Ahmed SF, Anawalt B, et al., editors. Endotext [Internet]. South Dartmouth (MA): MDText.com, Inc.; 2000–. Available from: https://www.ncbi.nlm.nih.gov/books/NBK279079/
  5. Dieudonné M. Electromagnetic hypersensitivity: a critical review of explanatory hypotheses. Environ Health. 2020 May 6;19(1):48. doi: 10.1186/s12940-020-00602-0. PMID: 32375774; PMCID: PMC7201940. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7201940/

Dr. Lam’s Key Questions

What causes dizziness when standing up quickly is often related to a drop in blood pressure, known as orthostatic hypotension. This sudden shift can reduce blood flow to the brain, making you feel lightheaded or faint. It’s more common when dehydrated or after prolonged sitting.

What causes dizziness if tests show nothing wrong might be linked to adrenal fatigue, anxiety, or chronic dehydration. These hidden factors can disrupt your body’s ability to regulate blood pressure, sugar, or hormones—leading to unexplained lightheadedness or floating sensations despite normal test results. 3. What causes dizziness in the morning?

What causes dizziness in the morning is often related to overnight dehydration, low blood sugar, or blood pressure fluctuations. When you first get out of bed, your body may struggle to adjust quickly, especially if you’re dealing with adrenal fatigue or an electrolyte imbalance.

© Copyright 2016-2025 Michael Lam, M.D. All Rights Reserved.