Signs & Symptoms of Low Magnesium & Low Potassium

Written by steven symes
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Signs & Symptoms of Low Magnesium & Low Potassium
Low levels of magnesium or potassium can cause sleep disorders or other symptoms. (sleeping woman #6 image by Adam Borkowski from

Both potassium and magnesium are present in foods that most people eat on a regular basis. Sometimes, though, the amount of potassium or magnesium present in a person's body can become too little for essential body functions to occur. There are symptoms to watch out for that can indicate low levels of magnesium or potassium. If you suspect you have any of these symptoms, consult your physician.

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RLS, or restless leg syndrome, can result from low levels of magnesium. Restless Leg Syndrome is characterised by uncomfortable sensations such as tingling or cramping in the calf area of a person's legs.

Nausea and Vomiting

Everyone feels sick to their stomach now and then, but chronic nausea and even vomiting are symptoms of low levels of both magnesium and potassium.

Sleep Disorders

Restlessness during the night as well as the inability to wake up in the morning can be caused by a person's magnesium levels being too low. Insomnia or the inability to get to sleep has also been linked to low magnesium levels.


Chronic physical weakness has been linked to low levels of both magnesium as well as potassium. If you feel tired constantly it could be a sign that either your magnesium or potassium levels are not within normal bounds.

Nail Growth

If your nails grow more slowly than they used to, it could be a sign that your magnesium levels are too low.


The inability to pass stools for days at a time can be a sign of low levels of potassium.

Heart Irregularities

Irregular heart beats or palpitations can be a sign of either low magnesium or potassium levels.

Chronic Thirst

Constantly feeling thirsty and abnormal amounts of urination can point to low levels of potassium in a person.

Blood Pressure

While some people battle with high blood pressure, people with low levels of magnesium or potassium may struggle with low blood pressure. Low blood pressure can cause a person to faint.

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