Other health conditions that can cause constipation include:

The following are some of the most common causes of constipation.

Many medications can cause constipation.

Some people have a good diet, drink a lot of fluid, do not have a disease or take any medication that can cause constipation, but still become constipated. Their bowels are said to be underactive. This is quite common and is sometimes called functional constipation or primary constipation. Most cases occur in women. This condition tends to start in childhood or in early adulthood, and persists throughout life.

Pharmacologic agents: Certain drugs or medication can cause constipation. They are:

Common causes of constipation include:

People who suffer from regular are twice as likely to suffer from constipation. Heartburn can cause constipation indirectly. The first thing most people do when they suffer from heartburn is to reach for a strip or bottle of antacids. While antacids can bring quick relief to a bad case of heartburn they can actually initiate or aggravate the problem of constipation. Most antacids contain significant amounts of aluminum and calcium. These elements can interfere with the normal bowel movements.

For people with cancer, the following factors might also cause constipation:

What causes constipation? Well, the obvious culprits include a low fiber diet, repeatedly ignoring the urge to go, not drinking enough water, or a lack of exercise.

But constipation also has other, less-well-known causes, including certain medications and , as well as potentially serious medical conditions.

What’s causing your gut trouble? Here are 13 possible causes of constipation you may not have considered.

Use of medicines that may cause constipation

There is only one 'food' component that may cause constipation — indigestible fiber. Too much fiber leads to bowel obstruction, too little indicates bowel dependence. All other natural foods digest near completely, and don't play any role in forming stools. In fact, if your stool test shows any remnants of fats, proteins, or carbohydrates, it means you are affected by a severe malabsorption disorder, ranging from gastroenterocolitis to liver or pancreatic cancer.In fact, the only food that can cause constipation is dietary fiber because it is the only known food that reaches the colon undigested! If you think you‘ve misheard me, I repeat again: dietary fiber Is the only food that causes constipation. Actually, none of these foods can cause constipation anymore than wind or water. That is because none of them ever reach the colon undigested. That much is written in any textbook on human physiology and/or gastric disorders, and any physician or nutritionist claiming otherwise must go back to school! A long list of prescription drugs can cause constipation. Heading the list is painkillers and antidepressants. Other culprits include heart medicines and some supplements. Ironically, long-term use of laxatives is another constipation cause.Not drinking enough water is another constipation cause, as is excessive consumption of dairy products. Although the urge to defecate is usually hard to ignore, it can sometimes be postponed. Delaying defecation frequently can be a cause of constipation.The single most important cause of constipation is poor dietary habits. Dietary fibre is essential for a smooth bowel movement. An average adult need about 30 g of fibre every day. The dietary fibre absorbs water and swells up in the large intestine. That makes the stools soft and easy to pass. Lack of fibre in the diet makes the stools hard and difficult to pass.And if you are a natural skeptic, and trust no one, or question my motives because I recommend supplements on this site, then follow your doctor's advice to the tee, don't eat foods that “cause constipation,” increase the intake of fluids and fiber, and... I'll see you back here soon. Except the next time around, it will be even more difficult and expensive to reverse colorectal damage and restore normality. It may also be downright impossible, because, after a certain point, not all colorectal damage is reversible.Poor diet and an inactive lifestyle are the most common causes of constipation. A and eating too much junk food can wreak havoc on your . Here are some diet-related factors that can leave you feeling constipated:Do you know that laziness makes the bowels lazy? There is a relationship between levels of physical activity and bowel habits. Low levels of physical activity are one of the leading causes of constipation. A wide variety of diseases, disorders and conditions can lead to constipation, including lifestyle changes, dehydration, malignancy (cancer), inflammation, and other abnormal processes. Constipation can be due to mild to moderate conditions, such as a poor diet, pregnancy or hemorrhoids. Serious and life-threatening causes of constipation include colon cancer and bowel obstruction.Under-active thyroid (hypothyroidism) is a common medical condition that can cause constipation. Weight gain, tiredness, cold intolerance, depression, and hair loss are the other symptoms of hypothyroidism.Irritable bowel syndrome (IBS) is a functional bowel disorder that causes constipation, diarrhoea, and abdominal pain. The majority of people with IBS complaint . This condition is also known as spastic colon or irritable colon.