The constipation is defined when there exists an infrequent intestinal evacuation or a difficulty for the expulsion of the dregs.
The frequency is variable in every person and for it it is possible to speak about constipation if less than three intestinal evacuations take place per week.
The sharp constipation can appear in any person in a concrete moment by changes situations in the normal habits. It is very frequent in the changes of feeding, trips, certain medicines, sometimes for nervousness, or without much ado for lack of transitory routine in the evacuation, and the pregnancy.
The chronic constipation is a persistent habit per months or years, it can owe to:
Inadequate diet, with few fibre and little liquids.
Sedentarismo
Medicines (antacids, medicines of pain, psychiatric medicines, or the chronic use of a laxative can diminish the normal movement of the intestine).
To the effect bounce of the laxatives abuse
Retention frequent and conscious of the reflex of defecating
Advanced age
Secondary to other illnesses
To travel or only to have chance of using strange toilets.