Loose motion or diarrhea refers to the frequent passage of stools which are loose and watery. It may cause loss of water and minerals from the body. People may have diarrhea once or twice every year. The condition is more frequent in children. Loss of water from the body can cause dehydration. It also results in weakness, loss of appetite; stomach pain etc. loose motion usually lasts for 2-3 days and can be treated with home remedies or any over the counter medicines.