What is euvolemic hyponatremia?

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Hyponatremia refers to a condition wherein there is an electrolyte imbalance in the body particularly the imbalance between sodium and water.  Generally speaking, hyponatremia points to lower than normal sodium levels in the blood. This condition though is classified into three different types depending on the actual volume of sodium in the blood and water levels in the body.  In the case of euvolemic hyponatremia, the sodium level in blood plasma is considered normal or relatively stable but the water in the body is increased.  The other two types are hypervolemic and hypovolemic.  The former involves both an upsurge in sodium and water levels while the latter pertains to decreased levels of both in the body.  Any three of these types are expected to cause several symptoms associated with general hyponatremia.  In the case of euvolemic hyponatremia, sodium levels may actually be normal but the body’s water content is so high that the person affected can still experience symptoms.

Electrolyte imbalances like euvolemic hyponatremia are said to be common for some people with medical ailments like pneumonia, congestive heart failure, and diseases involving the kidneys and liver.  People who suffer from different degrees of burns may also have hyponatremia along with those that take certain medicines that induce frequent urination.  People who simply vomit or sweat a lot may also have euvolemic or other types of hyponatremia.  In many of these cases, regardless of the cause, the people affected may easily get confused and fatigued. Some also experience dizziness, restlessness, muscle aches, and loss of appetite.  Some patients also report to having headaches with many of them becoming easily irritable.

The cause of hyponatremia and the type must be determined in order to get the best treatment option.  Some patients are prescribed with medications to address other ailments while others may be given fluids intravenously to specifically target the electrolyte imbalance in the body.

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