why do seizures start
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Epileptic seizure Seizures can also occur in people who do not have epilepsy for various reasons including brain trauma, drug use, elevated body temperature, low blood sugar and low levels of oxygen. Additionally, there are a number of conditions that look like epileptic seizures but are not.
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Focal Onset Seizures (Partial Seizures) Seizures can affect the entire brain, but when it occurs in just one area, it is called a partial seizure. A partial seizure may occur for many reasons including epilepsy, brain tumors or infections, heat stroke, or low blood sugar. A seizure, by itself, cannot be treated, and must be allowed to run its course.
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- Many conditions can affect the brain and trigger a seizure, including: 1  Brain injury, either before or after birth. 2  Infections, especially meningitis and encephalitis. 3  Eating or drinking toxic substances. 4  Metabolic problems. 5  High fever (in children) 6  Genetic conditions, including tuberous sclerosis.
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Epilepsy and Seizures These seizures tend to happen in clusters, meaning that they may happen several times a day, or for several days in a row. Infantile spasms. This rare type of seizure disorder happens in infants before six months of age.
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Seizure Medications What causes seizures? A variety of conditions and substances can trigger seizures. Common causes include congenital abnormalities of the brain, illicit drug use, fever, brain tumors and metabolic imbalances, such as high levels of glucose or sodium.
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Seizures in Children What Causes Seizures in Children? Although seizures have many known causes, for most children, the cause remains unknown. In many of these cases, there is some family history of seizures. The remaining causes include infections such as meningitis, developmental problems such as cerebral palsy, head trauma, and many other less common causes.
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- Seizures can occur for many reasons in a person suffering from a brain tumor, including: 1  the brain tumor itself or regrowth of a tumor. 2  increased intracranial pressure caused by the tumor. 3  changes in medication levels.  scar tissue caused by 1  surgery. stress.  sleep deprivation.
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Epilepsy Partial seizures. Partial seizures begin with an electrical discharge in one limited area of the brain. Many different things can cause partial seizures, for example head injury, brain infection, stroke, tumor, or changes in the way an area of the brain was formed before birth (called cortical dysplasias).
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Overview Nerve cells (neurons) in the brain create, send and receive electrical impulses, which allow the brain's nerve cells to communicate. Anything that disrupts these communication pathways can lead to a seizure. The most common cause of seizures is epilepsy. But not every person who has a seizure has epilepsy. Sometimes seizures happen because of:
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- 1 Stress can cause problems sleeping which is also a seizure trigger. 2  Chronic stress can lead to anxiety or depression. 3  Sleep problems are symptoms of these mood problems. 4  Being anxious and depressed can also worsen stress, causing a vicious cycle with more seizures and mood problems.
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- The seizures occur because of a sudden surge of electrical activity in the brain-there is an overload of electrical activity in the brain. This causes a temporary disturbance in the messaging systems between brain cells.
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- What happens in the brain during a seizure? 1  The electrical activity is caused by complex chemical changes that occur in nerve cells. 2  Brain cells either excite or inhibit (stop) other brain cells from sending messages. 3  Seizures are not a disease in themselves.
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Causes of Seizures in Babies Febrile Seizures. Febrile seizures are common in babies as young as 6 months of age. They are brief seizures than happen when a baby’s temperature suddenly rises, usually as a result of a mild infection.
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- · just now. Report Abuse. every system that has something to do with blood, because in blood there are red blood cells that contain hemoglobin which carries oxygen to body cells so it should be A and B if you can only choose one A.Source(s): me.shadow · 8 years ago. Thumbs up. just now. Report Abuse. every system that has something to do with blood, because in blood there are red blood cells that contain hemoglobin which carries oxygen to body cells so it should be A and B if you can only choose one A.
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- During a seizure, there is abnormal and excessive electrical activity in the brain. This can cause changes in awareness, behavior, and/or abnormal movements. This activity usually lasts only a few seconds to minutes. Epilepsy refers to a condition in which a person has a risk of recurring epileptic seizures. Not everyone who has had a seizure has epilepsy. Nonepileptic seizures can be caused by other conditions such as low blood sugar, a fainting spell, or an anxiety attack. SEIZURE SYMPTOMS.
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- Generalized seizures are produced by electrical impulses from throughout the entire brain; partial seizures are produced (at least initially) by electrical impulses in a relatively small part of the brain. The part of the brain generating the seizures is sometimes called the focus.
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- Many conditions can affect the brain and trigger a seizure, including: 1  Brain injury, either before or after birth. 2  Infections, especially meningitis and encephalitis. 3  Eating or drinking toxic substances.  Metabolic 1  problems. High fever (in children)  Genetic conditions, including tuberous sclerosis.
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- Seizures can occur from infancy to your later years in life. There are many causes of seizures. For instance, young children and babies are more susceptible to seizures under certain conditions, such as having a fever or drinking too much water.
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Epilepsy Epilepsy is a disorder of the brain in which seizures occur repeatedly. A seizure is caused by an abnormal electrical discharge in the brain. This abnormal short circuit can cause a change in behavior without your being aware of what is happening.During a seizure you may fall down, stare off into space, or make jerking movements. seizure is caused by an abnormal electrical discharge in the brain. This abnormal short circuit can cause a change in behavior without your being aware of what is happening. During a seizure you may fall down, stare off into space, or make jerking movements.
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Opiate Withdrawal and Seizures Seizures are symptoms of a brain problem. They happen because of sudden, abnormal electrical activity in the brain. When people think of seizures, they often think of convulsions in which a person's body shakes rapidly and uncontrollably. Not all seizures cause convulsions. There are many types of seizures and some have mild symptoms. Seizures fall into two main groups. Focal seizures, also called partial seizures, happen in just one part of the brain. Generalized seizures are a result of abnormal activity on both sides of the brain. Read more on MedlinePlus.gov.
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Causes of seizures Breakthrough seizures are more likely with a number of triggers. Often when a breakthrough seizure occurs in a person whose seizures have always been well controlled, there is a new underlying cause to the seizure. Rates of breakthrough seizures vary.
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- Overview. A seizure (also called a fit, spell, convulsion, or attack) is the visible sign of a problem in the electrical system that controls your brain. A single seizure can have many causes, such as a high fever, lack of oxygen, poisoning, trauma, a tumor, infection, or after brain surgery.
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- Systemic Lupus Erythematosus (Lupus) can cause seizures. Researchers report that seizures occur from lupus at the onset of their disease in less than 5% of patients. Seizures occur from lupus during their lifetime in approximately 10% of patients. Seizures are one of the classical 11 criteria that are used to diagnose Lupus, see our Focus on Systemic Lupus Erythematosus. Thank you for your question.
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Seizures Seizures are symptoms of a brain problem. They happen because of sudden, abnormal electrical activity in the brain. When people think of seizures, they often think of convulsions in which a person's body shakes rapidly and uncontrollably. Not all seizures cause convulsions. There are many types of seizures and some have mild symptoms. Seizures fall into two main groups. Focal seizures, also called partial seizures, happen in just one part of the brain. Generalized seizures are a result of abnormal activity on both sides of the brain. Most seizures last from 30 seconds to 2 minutes and do not cause lasting harm.
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Epilepsy and Your Changing Hormones If you have seizures that start around the last half of your menstrual cycle and continue through the second half of your cycle, then you might have another type of catamenial epilepsy. This is when a woman has menstrual cycles that do not release an egg. These are called anovulatory cycles.