Download ArticleCommon symptoms and best treatments for hyponatremia
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This article was medically reviewed by Erik Kramer, DO, MPH and by How.com.vn staff writer, Amber Crain. Dr. Erik Kramer is a Board-Certified Primary Care Physician at the University of Colorado. With over 15 years of experience, his clinical interests include obesity and weight management, diabetes care, and preventive care, as well as embracing a holistic approach to primary care. He received his Doctorate in Osteopathic Medicine (D.O.) from the Touro University Nevada College of Osteopathic Medicine and completed his residency at Central Maine Medical Center. Dr. Kramer is a Diplomate of the American Board of Obesity Medicine.
This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources.
This article has been viewed 810,987 times.
If you're dealing with low blood sodium (or suspect you might be), you're probably looking for tips to help raise it fast. We can help with that! Chronic low blood sodium can cause muscle weakness, headaches, and other problems, so it's important to get diagnosed by a doctor. In this article, we'll go over medical treatment options (as well as a few at-home tips) so you can increase your blood sodium level and start feeling better again.
Things You Should Know
- See a doctor for diagnosis and treatment if you're experiencing symptoms like nausea, vomiting, confusion, or seizures.
- Talk to your doctor about prescription medications like Tolvaptan if you have chronic low blood sodium.
- Get intravenous fluids administered at a medical facility if you need to raise severely low sodium levels quickly.
- Drink sports drinks (especially if you're active) and avoid taking diuretics if you experience low blood sodium levels.
Steps
Watch for symptoms if you have a condition that increases your risk. Having a diagnosed condition increases your risk of low blood sodium. This means that you’ll need to be extra careful and be on the lookout for symptoms. Some conditions that put you at risk of low blood sodium include:[1]- Kidney disease, heart disease, or liver cirrhosis
- Being over the age of 65
- Taking certain medications, such as antidepressants, diuretics, and some pain relievers
- Intensive training/exercise (triathlons, marathons, and ultramarathons)
Call your doctor if you experience symptoms of low sodium. A mild or moderate case of low sodium is usually not an emergency, but it's important to watch for symptoms if you’re at risk of low blood sodium levels. However, keep in mind that symptoms of low sodium may also be symptoms of another medical issue. Call your doctor if you experience:[2]- Nausea
- Headaches
- Cramping
- Weakness
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Seek immediate medical attention for severe symptoms of low sodium. Decreased sodium electrolytes in the body can be harmful to you, especially if it's severe. The condition can even be fatal if it's left untreated. Seek immediate medical attention if you experience any of the following:[3]- Nausea and vomiting
- Confusion
- Seizures
- Loss of consciousness
Get your blood sodium level tested if you think it might be low. If you experience symptoms of low sodium or otherwise suspect that your sodium levels are low, visit your doctor. The only way to confirm low blood sodium level is by getting a blood test or a urine test.[4]- Low blood sodium can be a serious condition, so it’s important to get treatment right away if you suspect a problem.
- Write down the symptoms you've been experiencing so you can go over them with your doctor. You may want to jot down any specific questions you have for your doctor, as well, so you're prepared.
- If your blood test shows sodium levels lower than 135 mmol/L, your doctor will diagnose you with hyponatremia.
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Stop taking your medication if your doctor instructs you to. There are several drugs that can cause low blood sodium levels, and stopping the medication may be all it takes to correct the problem. Tell your doctor about any prescription, over-the-counter, or illegal drugs you take regularly. Drugs that commonly cause hyponatremia include:[5]- Thiazide diuretics
- Selective serotonin reuptake inhibitors (SSRIs)
- Carbamazepine (Tegretol)
- Chlorpromazine (Thorazine)
- Indapamide (Natrilix)
- Theophylline
- Amiodarone (Cordarone)
- Ecstasy (MDMA)[6]
Treat any underlying conditions that may be causing low sodium. If your low sodium levels are the result of another condition, it will require treatment. Treating the underlying problem may resolve the low sodium levels. However, if the condition is not treatable, then you'll need to take medication. Health issues that may cause low blood sodium include:[7]- Kidney disease
- Heart disease
- Liver cirrhosis
- Syndrome of inappropriate anti-diuretic hormone (SIADH)
- Hypothyroidism
- Hyperglycemia (high blood sugar)
- Severe burns
- Gastrointestinal illnesses that cause diarrhea and vomiting[8]
Ask about medications to treat chronic low sodium levels. If your low sodium levels don’t improve using other treatment options or if there are not any other options, then your doctor may prescribe a medication that will raise your blood sodium levels. Use the medication exactly as instructed and don’t take more than the recommended dose.[9]- Tolvaptan (Samsca) is a common medication that is used to treat low sodium. Tell your doctor about any other medications you are taking and follow your doctor’s instructions for how to take this medication. If you take Tolvaptan, consult with a nephrologist so you don’t increase your blood sodium levels too much.[10]
Get intravenous fluid to raise severely low sodium levels quickly. Intravenous isotonic saline solution may be required if a person goes into shock as a result of volume depletion caused by low sodium. This would be an acute or severe case of low sodium. Immediate intravenous fluids should help to restore balance, but a hospital stay will also usually be required in this situation.[11]- Sepsis or a blood infection can cause your blood sodium levels to drop severely.
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Limit your water intake to 1–1.5 L (34–51 fl oz) per day if your doctor advises it. Drinking too much water can dilute the sodium in your bloodstream causing your sodium levels to decrease. It may be possible to increase your blood sodium levels by cutting down on your fluid intake. However, check with your doctor before doing this.[12]- Limiting water consumption usually only happens if you’re diagnosed with low sodium due to syndrome of inappropriate antidiuresis (SIADH).
- Your urine and thirst level are good indicators of whether or not you are getting enough water. If your urine looks pale yellow and you aren't thirsty, then you're well-hydrated.[13]
Drink sports drinks if you're active. If you’re an athlete or a person who performs a lot of activities and who sweats a lot, you may find sports drinks helpful for maintaining normal sodium levels. Drinking sports drinks will help you replenish the lost sodium electrolytes in your bloodstream. Drink a sports drink before, during, or after your workouts.[14]- Sports drinks contain essential electrolytes, such as sodium and potassium.
Avoid taking diuretics unless your doctor advises you to do so. Unless you have a pre-existing medical condition and have a prescription from your doctor, don’t take diuretics. These are better known as “water pills” because they stimulate urine production thus preventing water retention in the body. However, these medications can also cause dehydration.- Thiazide diuretics are known to cause low blood sodium levels.[15]
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Expert Q&A
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- QuestionDoes adding more salt to my diet increase a low sodium level?
Erik Kramer, DO, MPHDr. Erik Kramer is a Board-Certified Primary Care Physician at the University of Colorado. With over 15 years of experience, his clinical interests include obesity and weight management, diabetes care, and preventive care, as well as embracing a holistic approach to primary care. He received his Doctorate in Osteopathic Medicine (D.O.) from the Touro University Nevada College of Osteopathic Medicine and completed his residency at Central Maine Medical Center. Dr. Kramer is a Diplomate of the American Board of Obesity Medicine.
Doctor of Osteopathic MedicineAdding some salt to the diet should not change blood sodium levels in an otherwise healthy person. The body including the kidney's will regulate levels and keep everything within range. - QuestionWill low sodium make your sugar level be high?Erik Kramer, DO, MPHDr. Erik Kramer is a Board-Certified Primary Care Physician at the University of Colorado. With over 15 years of experience, his clinical interests include obesity and weight management, diabetes care, and preventive care, as well as embracing a holistic approach to primary care. He received his Doctorate in Osteopathic Medicine (D.O.) from the Touro University Nevada College of Osteopathic Medicine and completed his residency at Central Maine Medical Center. Dr. Kramer is a Diplomate of the American Board of Obesity Medicine.
Doctor of Osteopathic MedicineLow sodium will not cause high sugars. It is the other way around, where high blood sugars may cause lower sodium levels
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Tips
- Follow your doctor’s recommendations for how much sodium to include in your diet. Don’t drastically increase your sodium intake to raise your blood sodium levels.Thanks
- If you're experiencing severe or regular symptoms of low blood sodium, see a doctor as soon as you can.Thanks
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References
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/symptoms-causes/syc-20373711
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/diagnosis-treatment/drc-20373715
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/diagnosis-treatment/drc-20373715
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/diagnosis-treatment/drc-20373715
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/symptoms-causes/syc-20373711
- ↑ https://www.aafp.org/afp/2004/0515/p2387.html
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/symptoms-causes/syc-20373711
- ↑ https://www.aafp.org/afp/2004/0515/p2387.html
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/diagnosis-treatment/drc-20373715
- ↑ https://medlineplus.gov/druginfo/meds/a609033.html#why
- ↑ https://www.aafp.org/afp/2004/0515/p2387.html
- ↑ https://www.aafp.org/afp/2004/0515/p2387.html
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/symptoms-causes/syc-20373711
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/symptoms-causes/syc-20373711
- ↑ https://www.mayoclinic.org/diseases-conditions/hyponatremia/symptoms-causes/syc-20373711
About This Article
Doctor of Osteopathic Medicine
This article was medically reviewed by Erik Kramer, DO, MPH and by How.com.vn staff writer, Amber Crain. Dr. Erik Kramer is a Board-Certified Primary Care Physician at the University of Colorado. With over 15 years of experience, his clinical interests include obesity and weight management, diabetes care, and preventive care, as well as embracing a holistic approach to primary care. He received his Doctorate in Osteopathic Medicine (D.O.) from the Touro University Nevada College of Osteopathic Medicine and completed his residency at Central Maine Medical Center. Dr. Kramer is a Diplomate of the American Board of Obesity Medicine. This article has been viewed 810,987 times.
Co-authors: 15
Updated: February 27, 2023
Views: 810,987
Categories: Blood Health
Medical Disclaimer
The content of this article is not intended to be a substitute for professional medical advice, examination, diagnosis, or treatment. You should always contact your doctor or other qualified healthcare professional before starting, changing, or stopping any kind of health treatment.
Article SummaryX
If you need to raise your blood sodium level, decrease your water intake to 1000-1500 mL each day. Drink sports drinks any time you sweat a lot to help balance the sodium electrolytes in your bloodstream. In addition, you should eat a diet that’s high in salt any time your sodium is low. For example, bacon, cheese, sweet potatoes, olives, and soy sauce are all good additions to increase your sodium levels. Keep reading to learn some of the complications from having low sodium levels, like headaches, nausea, and fatigue.
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