Can Dehydration Cause Tremors? Causes and Treatments

Tremors are a fascinating and complex medical phenomenon that can affect various parts of the body.

Published On:
October 1, 2023

What are Tremors?

Tremors are a fascinating and complex medical phenomenon that can affect various parts of the body. These involuntary movements can be caused by a variety of conditions, including Parkinson's disease, essential tremor, and multiple sclerosis.

Essential tremor is the most common type of tremor, affecting millions of people around the world. It is characterized by rhythmic shaking, often in the hands or head, that can be exacerbated by stress, fatigue, or caffeine. Parkinson's disease tremors, which are also common, typically occur at rest and can involve a variety of body parts.

Multiple sclerosis tremors are less common, but can be more severe. They are a result of the disease's impact on the nervous system, which can cause a wide range of symptoms. Other causes of tremors include alcohol withdrawal, certain medications, and genetic disorders.

Regardless of the cause of tremors, they can be a source of frustration and embarrassment for those who experience them. Fortunately, there are treatments available that can help manage the symptoms and improve quality of life for those affected.

How Does Dehydration Cause Tremors?

Dehydration is a condition that occurs when the body loses more fluids than it takes in. If you have ever experienced dehydration, you know how it can affect your overall health. But can dehydration cause tremors? In this article, we will explore the link between dehydration and tremors.

Dehydration can have several negative effects on the body, including:

Imbalance of electrolytes

When the body loses fluids due to dehydration, there is a disruption in the balance of electrolytes. Electrolytes are minerals such as sodium, potassium, and calcium that play a crucial role in nerve and muscle function. A lack of electrolyte balance can result in tremors and other muscle-related issues.

Low blood pressure

Dehydration can cause a drop in blood pressure, leading to dizziness or lightheadedness. This drop in blood pressure can also cause shaking and make it difficult to control movements.

Muscle cramps

Dehydration can lead to muscle cramps, which are sudden and painful contractions of muscles. These cramps can occur anywhere in the body and can make it hard to move or control movements.

It's essential to stay hydrated by drinking enough fluids throughout the day to prevent these negative effects from happening.

Symptoms of Dehydration

Dehydration can be caused by many factors, including not drinking enough fluids, sweating excessively, or having diarrhea. The symptoms of dehydration can vary depending on the severity of the condition. Here are some common symptoms to look out for:

  • Thirst
  • Dry mouth and throat
  • Dark yellow urine
  • Fatigue or weakness
  • Dizziness or lightheadedness
  • Confusion or irritability
  • Sunken eyes
  • Dry skin that lacks elasticity

It's important to note that severe dehydration can have life-threatening consequences. If you experience any of the above symptoms or have been vomiting or experiencing diarrhea for an extended period, seek medical attention immediately.

How Can You Prevent Dehydration-Related Tremors?

Dehydration-related tremors can be prevented by staying hydrated. Here are some tips to prevent tremors and maintain good hydration:

Drink plenty of fluids

The easiest way to prevent dehydration is to drink enough fluids throughout the day. Water is the best choice, but you can also drink other beverages like sports drinks that contain electrolytes.

Avoid caffeine and alcohol

Caffeine and alcohol can dehydrate you, so it's best to avoid these beverages or limit your intake.

If you are experiencing tremors, it's important to seek medical attention. Tremors can be a symptom of underlying medical conditions such as Parkinson's disease or multiple sclerosis. A doctor can help determine the underlying cause of your tremors and provide appropriate treatment.

Remember to stay hydrated throughout the day to prevent dehydration-related tremors and maintain good health.

Other Causes of Tremors

While dehydration can cause tremors, there are many other causes to consider. Here are some examples:

Essential Tremor

Essential tremor is a neurological disorder that affects the nervous system and can cause involuntary movements. It is often hereditary and can worsen with age.

Parkinson's Disease

Parkinson's disease is a progressive neurological disorder that affects movement. It occurs when the brain cells that produce dopamine begin to die, leading to symptoms such as tremors, stiffness, and difficulty with balance.

Multiple Sclerosis

Multiple sclerosis (MS) is a chronic autoimmune disease that affects the central nervous system. MS can cause a wide range of symptoms, including tremors, muscle weakness, and difficulty with coordination.

Drug-Induced Tremors

Certain medications can cause tremors as a side effect. For example, stimulants used to treat attention deficit hyperactivity disorder (ADHD) can cause tremors in some people.

Alcohol Withdrawal

Alcohol withdrawal can also cause tremors. This occurs when someone who has been drinking heavily suddenly stops or significantly reduces their alcohol intake.

It's essential to consult with a healthcare professional if you experience any persistent or concerning symptoms of tremors. They will be able to help identify the underlying cause and provide appropriate treatment.

Medications and Dehydration-Related Tremors

Dehydration-related tremors can be exacerbated by certain medications. Here's what you need to know:

  • Diuretics and blood pressure medications: Some medications, such as diuretics and blood pressure medications, can increase the risk of dehydration and low blood pressure. It's essential to manage these medications carefully and stay hydrated throughout the day.
  • Medications that affect the nervous system: Certain medications, such as antidepressants, antipsychotics, and mood stabilizers, can directly affect the nervous system and cause tremors as a side effect. If you are taking these medications and experiencing tremors, it's important to talk to your doctor about adjusting your dosage or switching to an alternative medication.

It's essential to talk to your healthcare provider about any medication you are taking that may be contributing to your symptoms. They will be able to help you find a solution that works best for your individual needs while minimizing the risk of adverse side effects.

Foods That Can Help Prevent Dehydration

While drinking enough fluids throughout the day is the best way to prevent dehydration, certain foods can also help keep you hydrated. Here are some examples of foods that have high water content:

  • Cucumbers: Cucumbers are over 90% water, making them an excellent hydrating snack. They are also low in calories and high in vitamins and minerals.
  • Watermelon: Watermelon is another fruit with a high water content. It's also rich in antioxidants and contains vitamins A and C.
  • Strawberries: Strawberries are a delicious and hydrating fruit that can be added to smoothies or eaten as a snack. They are also low in calories and high in vitamin C.
  • Soups: Soups made with broth or vegetables can be an excellent source of hydration. Not only do they contain water, but they also provide essential vitamins and minerals.
  • Yogurt: Yogurt is a great source of hydration, especially for those who don't like drinking plain water. It's also a good source of protein, calcium, and probiotics.

By incorporating these hydrating foods into your diet, you can help prevent dehydration and maintain good health.

How Much Water Should You Drink Daily?

Staying hydrated is essential for maintaining good health and preventing dehydration-related tremors. But how much water should you drink daily to ensure that you are adequately hydrated? The answer depends on several factors, including your age, gender, weight, and activity level.

According to the National Academies of Sciences, Engineering, and Medicine, the recommended daily intake of water for adult men is about 3.7 liters (125 ounces) per day and 2.7 liters (91 ounces) per day for adult women. However, this recommendation includes the total amount of fluids consumed from all sources, including food and other beverages.

Individuals who engage in physical activity or live in hot climates may need to consume more fluids to replace those lost through sweating. Additionally, pregnant or breastfeeding women may need to increase their fluid intake to support their body's increased demands.

It's important to note that individual needs can vary based on factors like age and health status. It's always a good idea to consult with a healthcare professional about your specific fluid needs.

To help ensure you are staying adequately hydrated throughout the day, consider carrying a reusable water bottle with you wherever you go. Sipping on water throughout the day can help prevent dehydration-related tremors and improve overall health.


In conclusion, dehydration can cause tremors by disrupting the balance of electrolytes in the body and causing low blood pressure and muscle cramps. The easiest way to prevent dehydration-related tremors is to stay hydrated by drinking plenty of fluids throughout the day. If you are already experiencing tremors, it is important to see a doctor to determine the underlying cause.


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