What effects can having an imbalance in electrolytes have on your body?

Multiple: Depending on which electrolyte. Potassium: too low can cause cramping, too high can cause fatal heart arrhythmia. Sodium: too low confusion, seizure, brain herniation and death, too high lethargy, weakness, irritability, neuromuscular excitability. Those are the main ones, can also get calcium multiple symptoms with calcium fluctuations, but not consider a true electrolyte.

Variable: There are many different electrolytes. Some symptoms; high potassium: weakness of the muscles, twitching of the muscles, heart rate slowing low potassium: weakness of the muscles high calcium: abdominal pain, nausea, vomiting, constipation, increased urine output, lethargy, confusion low calcium: twitchy muscles and cramping low sodium: confusion, weakness and lethargy. High phosphate: itching.