Beriberi: Symptoms, Causes & Treatment

Beriberi is a disease that arises due to a deficiency of vitamin B1, otherwise referred to as thiamine. Your body requires thiamin to convert food into energy. Insufficient levels of this crucial nutrient can cause serious health problems.

Beriberi

The disorder can manifest in various forms, principally affecting the cardiovascular and nervous systems.

human figure

Understanding the specific symptoms and treatments associated with beriberi is crucial, as being informed about its nature can guide you in making the right decisions about your health.

Causes of Beriberi

A deficiency in thiamine or vitamin B1 primarily causes beriberi. Awareness is crucial due to the impact of such nutritional deficiencies on overall health. Recognizing symptoms early can lead to prompt intervention, preventing potential complications.

Poor Diet

You may develop beriberi if you consistently eat a diet low in thiamine. Thiamine-rich foods include whole grains, fresh and dried fruit, vegetables, peas, and pork. If these aren’t regularly a part of your diet, you could be at risk of this nutritional deficiency.

Poor Diet

Processed foods usually have less thiamine than natural or fortified ones.

Long-Term Alcohol Consumption

Too much alcohol disrupts your body’s ability to absorb thiamine efficiently. This is because alcohol impairs nutrient absorption in your digestive system, which in turn can lead to a deficiency in thiamine.

Long-Term Alcohol Consumption

Heavy drinking and malnutrition linked to alcoholism are contributing factors to beriberi. Alcohol-related liver damage further complicates thiamine absorption, increasing the risk of a thiamine deficiency.

Compromised Nutrient Absorption

Sometimes, your body might struggle to absorb nutrients, including thiamine, due to chronic diseases and long-term gastrointestinal conditions. For example, the presence of cancer and its treatment can damage the gut lining, hindering nutrient uptake.

Compromised Nutrient Absorption

Chronic diarrhea can also affect your body’s absorption rate, leading to vitamin B1 deficiency. Aside from chronic conditions, undergoing bariatric surgery may also contribute to this condition due to malabsorption in the gut.

Thiaminase-Rich Foods

Thiaminase is an enzyme responsible for breaking down thiamine in food. Regular or excessive consumption of foods high in thiaminase, like raw freshwater fish and shellfish, can reduce your body’s thiamine reserves, causing beriberi.

Thiaminase-Rich Foods

Some species of ferns and betel nuts are known to produce thiaminase, leading to a reduction in thiamine levels if ingested regularly. This dietary habit, if not counteracted with thiamine-rich foods or supplements, poses a significant risk for beriberi.

Conditions Affecting Thiamine Intake Requirements

If you’re pregnant or breastfeeding, your nutritional needs are higher than usual. A diet low in thiamine during pregnancy can lead to beriberi in both you and your child. Additionally, if you have thiamine deficiency while breastfeeding, your child can also develop infantile beriberi.

Conditions Affecting Thiamine Intake Requirements

There are also some conditions like hyperthyroidism, fever, liver disease, or heart failure where your body might need more thiamine than usual. You could develop this condition if your intake of thiamine is not sufficient.

Symptoms and Common Types of Beriberi

Beriberi is characterized by various symptoms affecting your cardiovascular and nervous systems. Awareness of beriberi’s diverse manifestations is essential for early detection and prevention. Recognizing the broader impact of nutritional deficiencies on health encourages prompt medical intervention, potentially avoiding severe complications.

Dry Beriberi

When you’re suffering from dry beriberi, it mainly affects your nervous system. Early signs may include slight tingling and numbness in your hands and feet, also known as peripheral neuropathy. As the condition progresses, so does the severity,  and may begin to include muscle weakness and pain.

Dry Beriberi

As the condition progresses, you may also have difficulty walking and struggle to maintain balance. Additionally, you may experience a loss of tendon reflexes, exacerbating mobility issues.

normal muscle vs atrophied muscle

The advanced stages may include difficulty speaking and eating due to the involvement of the nerves controlling the muscles responsible for these actions. In more severe stages, this evolves into muscle wasting, mental confusion, and even partial paralysis, indicating extensive damage to the peripheral nerves.

Wet Beriberi

Wet Beriberi primarily targets the cardiovascular system. Initial symptoms may include shortness of breath during physical activity or even difficulty breathing at rest.

Wet Beriberi

Weakness and tiredness results from the body’s inability to circulate blood effectively. You may also experience chest pain, a rapid heartbeat, and swelling in your lower legs, indicative of the heart’s failing blood circulation and fluid management.

a person clutching her chest

Shortness of breath, a hallmark of this condition, worsens with minimal physical effort due to the heart’s inability to satisfy oxygen demands. It can escalate to life-threatening pulmonary edema, signaling an urgent need for medical care. Without appropriate intervention, this condition could result in heart failure.

Cerebral Beriberi (Wernicke-Korsakoff Syndrome)

This severe form of Beriberi affects your brain. You may experience mental confusion or disorientation, speech difficulties, a loss of muscle coordination affecting gait and balance (ataxia), and difficulties with eye control and vision, such as nystagmus (involuntary eye movement) or ophthalmoplegia (eye muscle paralysis).

Cerebral Beriberi

Individuals afflicted with this condition may also struggle with severe memory loss. If not promptly recognized, it can progress to Korsakoff’s syndrome, a chronic and debilitating condition characterized by profound memory loss and confabulation (fabrication of false stories in place of missing memories without the intent to deceive).

Gastrointestinal Beriberi

This type of beriberi significantly impacts your digestive system and gradually leads to abdominal discomfort or pain. This symptom can be misleading and attributed to a variety of gastrointestinal disorders. Following this discomfort, individuals may experience severe constipation or diarrhea.

Gastrointestinal Beriberi

Alongside these symptoms, you may encounter frequent vomiting episodes, contributing to a cycle of thiamine loss and malabsorption of other vital nutrients. This condition may result in difficulties keeping food down, accompanied by loss of appetite and significant weight loss, further impacting overall health.

Confirming the Condition

Awareness of Beriberi’s signs and nutritional balance is crucial for early detection to prevent the progression of life-threatening complications. The focus of the diagnosis is to rule out other medical conditions with similar symptoms.

Medical and Physical Examination

A patient’s dietary habits and potential risk factors are considered during a medical examination. A history of significant alcohol abuse or reliance on a diet mainly consisting of white rice, which is low in thiamine, are considered risk factors for beriberi.

Medical and Physical Examination

A comprehensive physical examination will identify any signs of edema (fluid retention and swelling), difficulty walking, or changes in heart rhythm, which are symptoms associated with this condition.

Brain Function Assessment

Healthcare providers meticulously test for sensory deficits by checking the patient’s ability to feel vibrations, touch, and changes in temperature, which can be diminished in beriberi.

Brain Function Assessment

Muscle strength is evaluated to detect weakness or paralysis, which is common in severe cases of dry beriberi and is indicative of peripheral nerve involvement.

reflex test on the knee similar

In addition, it includes reflex examinations, which may show reduced or absent reflexes, indicating involvement of the nervous system. Coordination tests like finger-to-nose or heel-to-shin assess precise movement ability, often impaired by neurological damage from this condition.

Blood Tests

A blood test will be performed to detect levels of thiamine and low levels may be indicative of beriberi.

Blood Tests

Additionally, blood tests may assess overall nutritional status and rule out other conditions with similar symptoms. Elevated lactate levels in blood can indicate poor cellular energy production, a consequence of thiamine deficiency, aiding the diagnosis.

Urine Tests

Urine tests are another way to measure your body’s thiamine levels. If your body is excreting high levels of thiamine through urine, it could not be properly absorbing the vitamin.

Urine Tests

Furthermore, urine tests are valuable for tracking the response to thiamine supplementation therapy. After initiating treatment with thiamine, subsequent urine tests can show increased thiamine (therapy failure) or its metabolites’ excretion levels (successful therapy).

Heart Imaging and Function Tests

Sometimes, if you’re suffering from wet beriberi, your doctor may order imaging tests such as an echocardiogram to check your heart function. These tests will help assess the size of your heart and how well it’s pumping.

Heart Imaging and Function Tests

Imaging tests, such as MRI, can be utilized in beriberi diagnosis to observe changes in the brain associated with Wernicke’s encephalopathy, a form of cerebral beriberi. These images may reveal areas of altered signal intensity, indicative of thiamine deficiency.

Thiamine Testing

If your doctor suspects you have this condition but your lab tests aren’t definitive, you might undergo a therapeutic trial of thiamine. Essentially, your healthcare provider will administer thiamine supplements, probably in a high dosage, and monitor your symptoms.

Thiamine Testing

If your symptoms resolve quickly upon treatment, this response often suggests a diagnosis of beriberi. However, this trial must be performed under a doctor’s supervision.

Treatments for Beriberi

Treatment for Beriberi involves addressing the underlying thiamine deficiency. Recognizing the potential severity of untreated beriberi underscores the importance of dietary prevention and medical oversight in managing symptoms. This highlights the significance of awareness and proactive health measures.

Thiamine Supplementation

Thiamine can be supplemented orally or via injection, depending on the severity of the deficiency, with immediate improvements often observed in neurological and cardiovascular functions.

Thiamine Supplementation

Long-term management may include daily thiamine supplements and a balanced diet to prevent recurrence. Regular thiamine intake often leads to rapid improvements, particularly in cases of dry or gastrointestinal beriberi.

Healthy Food Planning

Alongside supplementation, a balanced diet rich in thiamine is crucial. Foods high in thiamine include whole grains (brown rice, whole wheat bread), legumes (beans, lentils), nuts, meat, and fish.

Healthy Food Planning

Your healthcare provider or a nutritionist can offer tailored dietary recommendations to guarantee that your diet includes adequate thiamine, helping you recover faster and preventing recurring beriberi.

IV Therapy

If you’re severely dehydrated due to gastrointestinal beriberi, you might need intravenous (IV) fluids. This method is particularly effective for acute symptoms, ensuring quick absorption and immediate cardiovascular and nervous system benefits.

IV Therapy

IV fluids are available in different formulations, administered according to need, and are particularly helpful in maintaining a balance of body fluids and nutrients. In emergencies, IV therapy is vital when oral supplements are too slow, directly supporting organs, stabilizing severe symptoms, and aiding faster recovery.

Medication for Associated Complications

If you are diagnosed with wet beriberi that has impacted your heart, your treatment plan will likely include specific medications tailored to address your cardiac health.

Medication for Associated Complications

These may include diuretics, designed to help your body eliminate excess fluid, thereby reducing the strain on your heart. Additionally, you might be prescribed medications to improve heart function and manage any other related heart conditions.

Physical Therapy

If beriberi has resulted in significant nerve damage, causing difficulty in movement, physical therapy may be recommended. A physical therapist can lead you through particular exercises and movements to help improve your muscle strength, coordination, and balance, aiding in the recovery of motor functions.

Physical Therapy

Additionally, physical therapy can significantly improve the patient’s quality of life, restoring independence in daily activities and boosting confidence.

Alcohol Addiction Management

If your condition is linked to alcoholism, you might benefit from professional support to overcome alcohol addiction. Numerous treatments are available, including counseling, medication, and support groups.

Alcohol Addiction Management

Rehabilitation programs offer structured support to individuals aiming to reduce or cease alcohol intake, equipping them with the necessary tools and resources to conquer addiction.

Regular Monitoring and Check-ups

Regular monitoring and check-ups are crucial for managing beriberi and ensuring treatment adjustments are made as needed. These follow-ups assess thiamine levels and track symptom improvement, guiding ongoing care.

Regular Monitoring and Check-ups

Scheduled check-ups also help prevent recurrence by monitoring dietary intake and lifestyle changes. Continuous evaluation allows for early detection of any progressive signs of beriberi, reinforcing the importance of adherence to treatment plans and nutritional guidance.

Frequently Asked Questions:

What are the main causes of beriberi?

Beriberi arises from several interconnected factors. Often, it begins with a diet that doesn’t provide enough thiamine. This situation is compounded when excessive alcohol consumption impairs the body’s ability to absorb this vital nutrient.

What are the main causes of beriberi

Additionally, consuming foods high in thiaminase, an enzyme that breaks down thiamine, can contribute to this shortfall. The body’s thiamine requirements increase during pregnancy and breastfeeding, and in certain conditions, the body’s demand for thiamine may surge, further elevating the risk of developing beriberi.

What are the different types of beriberi and their symptoms?

Several forms of beriberi primarily affect the cardiovascular and nervous systems. Dry beriberi affects the nervous system, causing symptoms like tingling and numbness in the hands and feet, pain, difficulty maintaining balance, and, in severe cases, paralysis.

What are the different types of beriberi and their symptoms

Wet beriberi impacts the cardiovascular system, resulting in symptoms including a fast heartbeat, chest discomfort, difficulty breathing, and leg swelling. There are also other types, each with unique symptoms associated with them.

How is beriberi diagnosed?

The diagnosis of beriberi can involve multiple procedures. Initially, a doctor can conduct a blood or urine test to measure your thiamine levels. A physical examination to check your reflexes, diet, alcohol consumption, and genetic history might also be performed.

How is beriberi diagnosed

Sometimes, you could undergo imaging tests to check your heart function and a neurological examination if cerebral beriberi is suspected. If lab tests aren’t definitive, a therapeutic trial of thiamine could be conducted under a doctor’s supervision.

What is the treatment approach for beriberi?

The primary treatment for beriberi is to address the underlying thiamine deficiency. This typically involves thiamine supplementation orally or via injection and maintaining a balanced diet rich in thiamine.

What is the treatment approach for beriberi

If the patient suffers from severe dehydration, IV fluids might be needed. Medication could be required if the patient has developed wet beriberi, which affects the heart. In case of nerve damage, physical therapy could be recommended.