Pottasium deficiency symptoms?

Depends on how low: None, sudden muscle cramps, loss of appetite, weakness, fatigue, dry skin, risk for salt related hi blood pressure, weaker bones..... Get it up w/ banana, melon, white beans, potato skins, yellow tomatos, etc.

Weakness: Low potassium (k) is most commonly seen in patients who are taking diuretics. The low k can cause weakness and irregular heartbeats.