The symptoms of motion sickness usually subside away once the person sets foot on solid ground. A migraine is a type of recurring headache that can cause a throbbing or pulsing pain on one side of the head.
Sometimes, people experience dizziness before the onset of a migraine episode. Other neurologic symptoms, or auras, can precede the pain of a migraine headache. A sharp drop in blood pressure can cause a brief sensation of lightheadedness. Blood pressure changes can occur after sitting or standing up too quickly. Taking certain medications, such as diuretics, beta-blockers , or antidepressants , can also cause changes in blood pressure. Conditions that affect the cardiovascular system, such as the buildup of plaque in the arteries and congestive heart failure , can cause dizziness.
People may experience dizziness or feel lightheaded before or after a heart attack or stroke. If a person has cardiovascular disease, they will likely experience other signs and symptoms, including:. Iron deficiency can result in a condition called anemia , in which the body does not have enough oxygen-rich blood. Making appropriate dietary changes and taking iron supplements can help treat mild forms of iron-deficiency anemia.
People who have a severe iron deficiency may require a blood transfusion. Hypoglycemia occurs when blood glucose, or blood sugar, falls below the normal levels. Causes of hypoglycemia include:.
Symptoms of hypoglycemia can appear suddenly and vary in severity. A few of these symptoms include:. Autoimmune inner ear disease AIED refers to any condition wherein the immune system mistakenly attacks the inner ear. AIED can cause hearing loss in one or both ears. AIED causes nonspecific symptoms that are similar to those of an ear infection.
For doctors to accurately diagnose AIED, they need to take a full medical history, perform a physical examination, and track any additional symptoms. It's common to sometimes feel dizzy, lightheaded or off-balance, and it's not usually serious.
See a GP if you're worried. Dizziness usually goes away on its own. But there are things you can do to take care of yourself while you're feeling dizzy. In particular, if you jump up out of bed after a night's sleep. The fall in blood pressure is just for a short time as the blood pressure quickly adjusts to your new posture. However, in some people the fainting feeling can be more severe and last for a few minutes. This problem tends to get more troublesome as you become older.
The main symptom of anaemia is tiredness. However, if you have anaemia you may not get sufficient oxygen to the brain. This can make you feel light-headed. An arrhythmia is an abnormal heart rhythm. It occurs when the heart may suddenly beat too fast, too slowly, or in an abnormal way.
There are various causes. One of the symptoms of an arrhythmia is to feel faint or light-headed as there may be a sudden decrease in blood supply to the brain as the arrhythmia develops. See the separate leaflet called Abnormal Heart Rhythms Arrhythmias for more details. Various other heart disorders may cause a reduced flow of blood to the brain and cause you to feel faint or light-headed. In particular, if you have anxiety with panic attacks you can feel light-headed.
This can get worse if you over-breathe hyperventilate due to the anxiety or panic attack. It is always worth reading the information leaflet that comes in the drug packet to check if dizziness is a recognised side-effect. And if you mean the type of dizziness where you don't feel you or the room are spinning and you don't feel faint, but you just feel unbalanced, then there are yet more possible causes. These also can start from problems of various body organs and systems, such as your ear, your brain, your nervous system and your general state of health.
Alcohol, street drugs and various medicines can also make you feel off-balance, and affect different people differently. If you are getting recurring dizzy spells, or a constant dizziness for which there is no obvious cause, then see your doctor. If you have dizziness with other alarming symptoms such as sudden weakness in your arms, legs or face muscles, or chest pain or feeling very breathless , then call an ambulance or consult a doctor urgently.
It is usually best to have an explanation for dizziness. If you have a prolonged episode of dizziness, or recurring episodes of dizziness and are not sure what is causing them, then it is wise to contact a doctor. In particular, if you have other symptoms in addition to the dizziness, such as:. Give yourself a check-up with a general blood profile, now available in Patient Access. With this number of possibilities, it isn't all that surprising that a cause is not always found.
Indeed, it is estimated that in one out of every five people complaining of dizziness who go to the doctor, a cause is never found. Fortunately even if the cause hasn't been found, the symptom of dizziness often settles in time.
Your brain constantly receives nerve messages from various parts of the body to tell you where you are and what position you are in. The three main sources of these nerve messages are:. To be free of dizziness and to have good balance, it is best to have all of these eyes, nerve signals from the skin muscles and joints, and inner ears working normally.
However, if you shut your eyes, you will normally still have a good sense of balance and know the position of your head and other body parts. It can also be caused by a problem in the inner ear, where balance is regulated.
Dizziness is often a result of vertigo as well. The most common cause of vertigo and vertigo-related dizziness is benign positional vertigo BPV. This causes short-term dizziness when someone changes positions quickly, such as sitting up in bed after lying down.
This causes fluid to build up in the ear with associated ear fullness, hearing loss, and tinnitus. Another possible cause for dizziness and vertigo is an acoustic neuroma. This is a noncancerous tumor that forms on the nerve that connects the inner ear to the brain.
In rare cases, dizziness could be caused by multiple sclerosis , a stroke, a malignant tumor, or another brain disorder. Sometimes, dizziness is accompanied by nausea, vomiting, or fainting. Seek emergency medical help if you have these symptoms for extended periods. You should call your doctor if you continue to have repeated bouts of dizziness. You should also notify your doctor immediately if you experience sudden dizziness along with:.
Your doctor can narrow down the cause of dizziness and any other symptoms by performing a physical examination. Your doctor may also check your eyes and ears, do a neurological physical exam, observe your posture, and perform tests to check balance. Treatment for dizziness focuses on the underlying cause. In most cases, home remedies and medical treatments can control the cause of dizziness. For example:. Most cases of dizziness clear up on their own once the underlying cause is treated.
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