Constipation occurs when bowel movement or movement is less than normal. The normal period between bowel movements varies from person to person; it may occur in some people three times a day and may occur once or twice a week in other people. Constipation is a problem that occurs in everyone during their lives, and although it is not a serious problem most often, its disappearance leads to improvement and a sense of comfort. Constipation can cause various symptoms such as the need to stress to move the intestine, and remove a small amount of hard waste, And the feeling of not taking them all, and the occurrence of swelling and pain in the abdomen, and vomiting. 
The treatment of constipation depends on the cause of the occurrence, the duration of the occurrence, and the severity of the symptoms, and often can be eliminated symptoms through a change in diet or life system, and can be used some pharmacological treatments such as laxatives. 
Change in the life system
Change in a person’s life system and diet is considered the first choice for treating constipation. One of the ways that this may help is: 
- Eat food rich in dietary fiber, and these foods vegetables, fresh fruit, and cereals.
- Eat foods that give a large volume such as wheat bran, which increases the softness of the waste and facilitate the exit.
- Eat enough water to avoid dehydration.
- Exercise more regularly, such as walking or running daily.
- Do not delay the output process when you feel the need to, in addition to maintaining a certain time daily to go to the toilet.
- Put the foot on a small chair when going to the toilet so that the knee level is higher than the hip level, which facilitates the passage of waste.
- Check with your doctor to describe an alternative treatment in cases where constipation is caused by taking certain medications.
- Your doctor may prescribe laxatives in cases that do not respond to changes in your diet and lifestyle. Laxatives are drugs that help your body pass waste. The types of laxatives vary. Each species has a different effect on the digestive system. Types of laxatives that can be used include: 
- Bulk-Forming Laxatives: This type of laxative helps waste to retain liquids, reducing the possibility of dehydration, which may cause faecal impaction. This type of laxative makes waste More crisp and easy to remove. It is important to drink large quantities of fluids when taking this type of laxatives, and not to take them before going to sleep, and can be seen in effect after two to three days. Examples of this type of laxatives are spagula (Ispaghula Husk), Methyl cellulose Methylcellulose), and tropical chestnut (Sterculia).
- Osmotic laxatives: This type of laxative is prescribed by the doctor if the waste remains harsh and difficult even after the use of mass laxatives, as these laxatives increase the amount of fluid in the intestine, which leads to softening the waste and facilitate the exit from Body, it is important to be careful to take adequate amounts of fluids when used. These laxatives may need two to three days before they begin to appear, such as lactulose, lactulose, and others.
- Stimulant Laxatives: These laxatives are used in cases where the waste is soft but difficult to remove. These laxatives stimulate the muscles of the digestive system, which helps move the waste and move it from the large intestine to the anus. It should be noted that this category of laxatives work in a shorter time, and start work in six to twelve hours, such as Senna, and Bisacodyl, and Sodium Picosulphate.
Causes of constipation
- Some medications are used, such as Antacid, which contains calcium or aluminum, some powerful analgesics, antidepressants, and iron supplements.
- Change the dietary habits and normal activities of the person.
- Colon Cancer.
- Eat dairy products frequently.
- Irritable bowel syndrome (Irritable Bowel Syndrome) or so-called nervous colon.
- Some neuropathic conditions such as Parkinson’s Disease, Multiple Sclerosis, and a problem in the nerves and muscles of the digestive system.
- Lack of motor activity, and low intake of water and fiber in food.
- Use laxatives significantly and excessively.
- Resistance to bowel movement, which may be done by some people because of the problem of hemorrhoids (English: Hemorrhoids).
Complications of constipation
Chronic and persistent constipation may cause complications and other problems, including: 
- Hemorrhoids: Pressure to move the bowel may cause the blood vessels to circulate around the anus and inside it.
- Anal Fissure: It is a rupture of the skin in the anus, as the passage of hard or large waste may cause small cracks in the area.
- Fecal incontinence occurs when the body can not be expelled from the body due to the accumulation of harsh waste in the intestine due to chronic constipation
- Rectal Prolapse: Pressure to move the intestine may cause the rectum to expand and protrude from the anus.
^What Is Constipation?”، WebMD,6-10-2016، Retrieved 9-8-2017. Edited
“Constipation – Treatment “, National Health Service,24-12-2015، Retrieved 9-8-2017. Edited
↑ Mayo Clinic Staff (19-10-2016), “Constipation”، Mayo Clinic, Retrieved 9-8-2017. Edited