Presse Santé

Dizziness and lightheadedness: the ten main causes of “dizziness”

Dizziness and lightheadedness can be caused by various factors. Here are the possible causes of dizziness and lightheadedness you may feel.

Many of us have found ourselves asking the question, both on normal days and in times of illness, “Why do I feel dizzy?”

Although dizziness can be annoying, you probably won’t be surprised to learn that occasional dizziness is very common in adults. But you might not have guessed that vertigo is also common, affecting nearly 40% of people over the age of 40 at least once in their life.

So how do you know if you have vertigo or normal vertigo? The main difference is that lightheadedness can cause nausea and vomiting while dizziness makes you feel momentarily out of balance. However, vertigo can be of varying severity, ranging from just plain annoying to very worrying.

Here’s what usually causes dizziness and lightheadedness. And what do you do if you have one of these episodes.

1. Dizziness can be caused by an inner ear problem

One of the most surprising causes of vertigo is benign paroxysmal positional vertigo. Your inner ear contains calcium and protein-based sensor crystals called otoconia. If these crystals are dislodged and float in your inner ear canals, you may feel a brief spinning sensation. It is a minor mechanical problem that can and should be corrected with physical therapy, not medication or surgery.

Although this type of vertigo is the most common balance disorder associated with the inner ear, it affects only 1 in 1,000 people annually. Although it can affect adults of any age, this type of vertigo mainly affects the elderly. Most cases occur without an apparent cause. It has been linked to trauma, migraines, inner ear infections, diabetes and osteoporosis. After treatment, 50% of patients may have this problem again within five years, especially if it is due to trauma.

2. Your ear’s balance system controls blood flow

Our inner ear balance system helps control blood flow. The inner ear has the ability to tell in which direction the upper part is. When you go from lying down to standing, two structures in the inner ear, the foramen and the sac, feel gravity. They tell your cardiovascular system to direct blood flow to accommodate the change in your position. When this process goes wrong, it can cause dizziness.

3. Low Vitamin B12 Can Cause Dizziness

A deficiency in this essential vitamin can lead to a number of neurological problems. These include feeling out of balance, low blood pressure, and decreased blood flow to the brain. Vitamin B12 deficiency is easy to spot and treat, but it is an often overlooked cause of dizziness.

Ask your doctor to do a simple blood test to check B12 levels if you feel dizzy. Good sources of vitamin B12 are meat, dairy, and products fortified with this vitamin.

4. Dizziness can be a symptom of heart disease

A simple cause of dizziness is sudden movement. Like when you get up suddenly from your chair or bed. But sometimes dizziness is a sign of a heart problem. Causes of cardiovascular vertigo include leaky or narrowed heart valves and arrhythmias such as atrial fibrillation and atherosclerosis. These illnesses can cause dizziness because they reduce blood flow to the brain.

5. Sometimes a migraine causes dizziness

It’s surprising for some people to learn that dizziness is often associated with migraines, with or without a headache. Other symptoms of vertigo associated with migraines include sensitivity to movement, light, and sound. About 40% of people who experience migraines experience dizziness or lightheadedness.

6. Dizziness may be related to anxiety

Many people who experience vertigo, especially people in their twenties, can also feel anxious. They usually don’t want to hear that the dizziness may be related to anxiety because it indicates that it’s all in their head. But what’s in your head is your mind. Anxiety may reflect a disorder in brain function that may be genetic in origin.

Compared to people without anxiety, people with anxiety disorders appear to be more affected when exposed to a moving visual environment. They sway in such a way that they seem to be synchronized with the visual movement. These people may be abnormally sensitive to visual stimulation, as they may become dizzy when looking at moving objects or when walking into a bright supermarket.

This is called visual addiction. Little is known about its frequency. It is likely that these disorders will be reclassified in the future, in part, on the basis of genes.

7. Riding in a boat or a water bed can cause dizziness

It is common to feel dizzy on the first day after the cruise. For some people, this feeling, called seasickness, can last for months or even years. About 75% of sailors suffer from such dizziness. Planes, cars, and trains can also cause dizziness. Even relaxing on a water bed can cause dizziness.

8. Dizziness and dizziness can be a side effect of medication

So many drugs can cause dizziness that there are too many to list them all. However, high doses of blood pressure medications can cause dizziness. Especially in the elderly and those who have started taking a dose that is too high for them.

Check if the medicines you are taking can cause dizziness, lightheadedness, or loss of balance, by contacting your pharmacist or doctor. Careful review of medication lists and sometimes lowering doses can produce surprising benefits.

9. Your diet or dehydration can make you dizzy

Even mild dehydration can cause dizziness or lightheadedness. Dehydration can also lower blood pressure. Which may cause dizziness. Diets can also cause dizziness, some of which lead to dehydration. Mild dehydration after losing only 1-2% of body weight can cause dizziness.

10. There are several less common causes of dizziness and lightheadedness

Watch out for any shocks. Because they can indicate, along with other symptoms, something more serious. Such as warning of symptoms of a stroke or a brain tumor.

One very rare disease associated with vertigo is Meniere’s disease. If you suffer from prolonged whirlpool episodes of vertigo as well as hearing problems in one ear, this could be Ménière’s disease. This disease affects only about 0.2% of the population. It is sometimes found in adults between the ages of 40 and 60. Although it cannot be cured, it can be cured.

* Presse Santé strives to convey health knowledge in a language accessible to all. In any case, the information provided cannot replace the advice of a health professional.

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