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Potassium is a mineral used for the treatment and prevention of low potassium levels, according to WebMD. It is also used for treating high blood pressure and preventing stroke.


Potassium, a major electrolyte and an essential mineral, can be found in all cells of the human body. The concentrations of potassium found outside of the body's cells are lower than those within. The differences in the levels of both potassium and sodium across cell me...


Potassium levels below 3.5 millimoles per liter can lead to weakness, tiredness, abdominal cramping, tingling and palpitations, according to WebMD. A very low potassium level below 2.5 millimoles per liter is very dangerous and requires medical attention, states Mayo Cl...


According to WebMD, potassium aids in prompting the heart to squeeze blood through the body thousands of times a day. Potassium is also helpful in the movement of muscles, the functioning of nerves and filtering of blood through the kidneys.


According to the National Institutes of Health, some causes of low potassium levels in the body are diarrhea, vomiting, antibiotics, overuse of laxatives, kidney disease, diuretics, low magnesium levels and sweating. WebMD explains that dehydration is an overarching cau...


Effects of high potassium levels in the body may include breathing difficulties, erratic heartbeat, feelings of weakness and nausea, and sensations such as tingling or numbness, according to the University of Maryland Medical Center. However, individuals with high potas...


A potassium level of 7 millimoles per liter is considered dangerous for the body, according to the Mayo Clinic. This condition is known as hyperkalemia.