Membrane Potentials / Hyperkalemia Effects of changing K + concentration altering either the intracellular or extracellular K + concentration has substantial effects on the resting membrane potential, and therefore on the ability of neurons and muscle cells to reach action potential threshold
The most common side effects of fish oil supplements are bloating, belching, gas and diarrhea. Taking a fish oil supplement also can cause loose stools, nosebleeds and rashes, according to Medline Plus. The supplement also can leave a fishy smell on your breath. The UMMC also notes that taking a time-release fish oil supplement may cut back on intestinal symptoms.
These symptoms will change from week to week with intermittent diarrhea and then constipation. The syndrome is more chronic than just a few days, so your symptoms may just be due to gastrointestinal virus. You will have to see how quickly you get relief. Very severe constipation can also cause loose stools. If stools are hard and are not moving, they cause back up of more watery contents behind them. Eventually the watery contents spill around the sides of the hard constipated stool and cause sudden diarrhea. This is another instance when constipation and diarrhea can seem to appear together.