Symptoms of low potassium include constipation, fainting, unusual mental behavior, nausea and vomiting, explains eMedicineHealth. Numbness or tingling may also indicate that a person is suffering from this problem. Low potassium levels, which is also known as hypokalemia may cause muscle damage.
Excessive use of laxatives, diarrhea, acute kidney diseases, certain medicines and low amounts of magnesium in the body may lead to low potassium levels, according to MedlinePlus. Low potassium levels may cause less serious or extreme symptoms in the kidneys, heart, muscles, gastrointestinal tract or nerves, notes eMedicineHealth.
Low potassium levels may trigger hypotension, making a person to feel faint, according to eMedicineHealth. Extreme thirst and frequent urination are possible symptoms that a person is suffering from hypokalemia. Other symptoms include bloating, formation of cramps in the abdomen and palpitations, which refers to inconsistent heartbeat.
A person who is experiencing hallucinations may be experiencing hypolakemia, notes eMedicineHealth. Confusion, psychosis, depression or delirium are types mental conditions that may signal this problem. Other signals of this problem are fatigue, weakness and muscle cramps. Extreme weakness may cause difficulty in movement.
In addition to fainting, slow heartbeat rates may lead to lightheadedness, explains MedlinePlus. Severe drops in potassium levels may cause the heart to cease functioning. Eating high-potassium foods, including bananas and spinach, and taking certain medications may curb or treat the problem. Patients with severe symptoms should seek immediate medical help.