What are the side effect of andrews liver salt?

Diarrhea ;...: The most common side effect is diarrhea, but this is to be expected since it is a laxative. It can cause high magnesium or low calcium in those who have kidney failure. While not listed as a side effect, because it has sodium it is likely to raise blood pressure in some. See http://www.Medicines.Ie/medicine/2083/spc/andrews+liver+salts+effervescent+powder/#undesirable_effects.