Causes of Reversible Dementia
Dementia means ‘progressive cognitive decline for more than three months’. Although there are severe forms of dementia, such as Alzheimer’s, most forms of dementia are preventable or reversible.
The first reaction when hearing the term dementia is to panic. There have been many cases of elderly patients being wrongly diagnosed with Alzheimer's disease due to cognitive decline.
There have also been many cases of elderly patients committing suicide after a dementia diagnosis. This is why complete evaluation is so important: preventing unnecessary distress and devastation.
Reversible dementia occurs when known medical conditions cause cognitive decline. Studies show that around 20 percent of dementia cases are due to reversible causes.
Early diagnosis is important because it can prevent long-term consequences. Some of the causes of reversible dementia are mentioned below:
Thyroid Dementia Low thyroid hormones or hypothyroidism can cause dementia-like symptoms such as memory loss, confusion, and difficulty concentrating. Studies show that it affects around 4.6% of adults in the U.S. It is observed that synthetic thyroid hormones can improve brain function and cognitive abilities.
Alcohol Dementia Excessive alcohol consumption over a long time can lead to cognitive decline. It can cause memory loss and confusion. Studies show that around 50 percent of people with alcohol use disorder show symptoms of cognitive decline similar to dementia symptoms.
Decreasing the frequency of drinking or stopping alcohol, combined with supplements can lead to improvement in symptoms. Alcohol-induced dementia is at least partially reversible. Recovery of cognitive function often depends on the age of the person, and the severity of the alcohol use.
Vitamin B12 Deficiency Dementia Vitamin B12 deficiency can disrupt brain functioning and lead to dementia-like symptoms such as memory loss or confusion. Studies show that around 10-15% of older adults experience low levels of vitamin B12 deficiency symptoms. B12 supplements can restore cognitive function.
Vitamin B1 Deficiency Dementia Vitamin B1 is important for brain function and energy production. Vitamin B1 deficiency can damage the brain and lead to symptoms that look like dementia, such as forgetfulness and trouble in coordination. Thiamine supplements can be given orally or by injection and are used to treat the deficiency symptoms.
Pituitary Tumors Pituitary tumors can cause a dementia-like syndrome and can be treated with surgery and hormone replacement.
Growth Hormone Deficiency Dementia Growth hormone maintains brain cells and supports brain health. A growth hormone deficiency can lead to dementia-like symptoms such as memory loss, confusion, and difficulty concentrating. Hormone replacement therapy can treat this deficiency.
Pseudo-Dementia Secondary to Depression Pseudo-dementia occurs when underlying depression causes dementia-like symptoms such as memory problems, difficulty concentrating, and confusion. Depression can slow down brain function and make everyday tasks harder.
These dementia-like symptoms can be reversed when underlying depression is treated using antidepressants. Pseudo-dementia can look just like Alzheimer's, as the aging brain is more vulnerable to shifts in serotonin and other neurotransmitters. Pseudodementia can recover rapidly with treatment.
Medication-Induced Delerium Medication-induced delirium can cause confusion and cognitive decline. It is a common cause of cognitive impairment in the elderly. Medication-induced delirium can easily be confused for dementia without proper evaluation. Common perpetrators are antihistamines, antibiotics, and blood pressure medications. Symptoms usually resolve after stopping the offending agent.
HIV-Associated Dementia HIV can affect the brain and nervous system. HIV encephalopathy can spread to the brain, causing cognitive impairment and leading to dementia-like symptoms. It is referred to as “HIV-associated dementia” (HAD). As people with HIV are living longer, HIV dementia is now more common in the elderly. It is observed that antiretroviral therapy and medication can help in reversing the symptoms.
Although these conditions can cause cognitive decline in any age group, older brains are more prone to assaults caused by medical illness, so the cognitive symptoms may appear more obvious.
Reversible dementia offers hope for recovery with early diagnosis and proper treatment. These reversible causes can help patients regain cognitive function and improve their quality of life.
Slow-Progressing Dementia
Microvascular Dementia Almost everyone over seventy-five has some microvascular dementia. It is not reversible per se. However, progression can be slowed down with treatment.
Also, treating the complications with cognitive remediation can dramatically improve social and occupational functioning. Microvascular dementia can be easily confused with Alzheimer's disease without complete evaluation.
If you or someone you know is struggling with memory loss, consult a specialist, call us at +1(833)312-4222.
