Laxatives are products that promote bowel movements, and are used to treat constipation (the passage of hard, dry stools). People who are constipated may find it difficult and even painful to have bowel movements. They may also feel bloated, sluggish, and generally uncomfortable and may have other symptoms such as a dull headache and low back pain. However, these symptoms don't always mean that laxatives are necessary. A great deal of misunderstanding exists about their use. A range of normal bowel habits exist, depending on the individual and the person's diet. Some people have bowel movements as often as three times a day, some only three times a week; anything within this range is considered normal. In addition, some people's stools are naturally firmer than others.

Occasional constipation can often be treated without laxatives. Increasing the amount of fiber in the diet, drinking plenty of water and other...