What causes first-time seizures episodes in adults?

A seizure is the cause of abnormal brain activities that are electrical and are detectable. There can be chances of any event and communication disrupt that can lead to nerve disorder and can cause brain triggers. There can be similar symptoms of seizure in adults and children. In general, seizures are of different kinds. It can include the types like epilepsy, brain infection, and low blood sugar. Sometimes seizures begin in childhood while in other cases, it begins in adulthood. It is known as adult-onset seizures. If you or anyone you know is going through aggressive changes of seizure, you can connect with the experts of Zynova Shalby Hospital.

What are the symptoms of a seizure?

There can be chances that you experience both focal and generalized seizures simultaneously, or there can be chances that one can happen before another. The symptoms may last from seconds to several minutes. Sometimes, the symptoms do not take place and the effect of symptoms arises right before seizure episodes take place. The symptoms of a seizure may include:

• a sudden feeling of fear or anxiousness
• Feeling that your stomach is upsetting
• dizziness
• A change in vision or blurriness
• Change in body movements and the energy level that can make you difficult to standstill
• A sensation that you are losing something from your body
• a headache
• deja vu

There can be different symptoms while you are experiencing a seizure for years or months. A seizure in progress often show the different symptoms that may include:

• losing consciousness that often accompanies confusion
• uncontrollable muscle spasms
• drooling or frothing at the mouth
• Falling all of sudden
• Change in the taste of mouth
• clenching your teeth
• biting your tongue
• rapid eye movements or certain other unusual activities that may not look normal
• making unusual noises
• losing control of bladder or bowel function
• sudden mood changes

What is the major cause of adult-onset seizures?

Adult-onset seizures appear because of traumatic events and specific conditions. This can differ from the symptoms of seizure in childhood, where the cause is most of the time unknown and appears because of idiopathic epilepsy. The possible causes or symptoms of seizure in adults include:

Central nervous system infection

Viruses, bacteria, parasites can also be the cause of abnormal activities in your central nervous system. These pathogens can impact the brain tissues. It can prompt the immune system and may also lead to abnormal changes in the brain’s electrical activities.

Examples of CNS infections that can lead to seizures include:

• CNS tuberculosis
• neurocysticercosis
• viral meningoencephalitis
• meningitis
• brain abscess
• cerebral malaria
• river blindness
• cerebral toxoplasmosis

Brain tumor

The symptoms of a seizure can be the first sign of a brain tumor. If seizures recur or get worse with time, it means that the tumor is growing, leading to swelling and bleeding in the brain. Brain tumors can trigger the symptoms of seizures. These symptoms may include:

• neuroglioma
• astrocytoma
• ganglioglioma
• oligodendroglioma
• glioblastoma
• meningioma

Different types of tumors have different symptoms of seizure. It usually occurs because of the bleeding and pressure in the brain.

Traumatic brain injury

Another possible cause of the first-time seizure is a traumatic brain injury. It can take place all of the sudden. In other cases, it can take hours or weeks to show up the symptoms before the injury. Traumatic brain injury seizures happen within the first 24 hours of the disease. If there is any kind of severe disease, it is likely to affect your brain and cause the symptoms of seizure. Other factors that increase your chances of traumatic brain injury seizures include:

• If you are older than 65
• Excessive alcohol use or alcoholic disorder
• an injury that affects the skull
• contusion, a bruise of the brain
• bleeding in the brain

It depends on the severity of the brain condition. A traumatic brain injury can cause inflammation and can also damage the brain tissues. It can also induce symptoms of seizure in adults by disrupting the brain activity helping to release neurotransmitters.

Excessive use of any substance and its withdrawal

The symptoms of seizure in adults for the first time may also happen because of the substance use or any kind of withdrawal of them. The most common substances of seizure include:

• antidepressants
• diphenhydramine
• cocaine
• methamphetamine
• tramadol
• isoniazid

These substances can induce the symptoms of seizures and can alter the transmitter activity of the brain. In severe cases, drugs can modify the electrolytes and the blood flow in the brain, resulting in seizures. Some substances have a sedative effect on the brain. If taken in high doses, it can suddenly cause the terminating symptoms of seizures. Also, stopping the medications of seizures and taking them inconsistently can induce a seizure.

Alcohol poisoning

Alcohol poisoning or overdose of alcohol takes place when you excessively take large amounts of alcohol in a short period. This can lead to alterations and changes in the level of electrolytes, resulting in seizures. Alcohol withdrawal, especially in overdose cases, triggers first-time seizures in adults. Likewise, heavy alcohol can depress the central nervous system and if you have a sudden reduction in alcohol, it will affect the central nervous system, causing the first-time symptoms of seizure.

Stroke

A stroke takes place when the blood vessels in the brain burst all of sudden or become blocked. This interrupts the flow of blood to the brain, resulting in abnormal activities of the brain. Any kind of injury can alter the electrical signals of the brain and can result in post-stroke seizure symptoms. In contrast, a seizure often takes place within 24 hours of a stroke while a post-stroke seizure can happen within a month after a stroke. The more severe the case of stroke, the more likely it affects the brain and the appearance of seizures.

Conclusion

If you think you are having a seizure for the first time, try to stay calm. Try to approach a safe place where you can avoid the chances of injury. If possible, try to move away from the large objects because seizure affects your brain activity hampering your normal routine. Immediately, lie down on your head on the floor with the pillow or jacket below the head.

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