How does diverticulitis affect the digestive system




















A colostomy is an opening between the large intestine and the skin surface. About 10 to 12 weeks later or sometimes longer , after the inflammation has gone away and the person's condition has improved, the cut ends of the intestine are rejoined during a follow-up operation, and the colostomy is closed.

In a colostomy, the large intestine colon is cut. The part that remains connected to the colon is brought to the skin surface through an opening that has been formed. The part is then stitched to the skin. Stool passes through the opening and into a disposable bag. Fistula treatment involves removing the section of large intestine where the fistula begins, rejoining the cut ends of the large intestine, and repairing the other affected area for example, the bladder or small intestine.

Sometimes, after talking with their doctor, people choose to have elective surgery surgery that is not needed immediately and can be put off for some time to manage their diverticular disease see table Diverticulitis: Examples of Reasons for Elective Surgery Diverticulitis: Examples of Reasons for Elective Surgery Diverticulitis is inflammation of one or more balloon-like sacs diverticula. Diverticulitis usually affects the large intestine colon.

Left lower abdominal Diverticulitis is inflammation, with or without infection, of one or more balloon-like sacs diverticula that can develop in the large intestine. Diverticulitis causes abdominal pain, tenderness, and sometimes fever. People with mild diverticulitis are treated with rest, a liquid diet for a few days, and sometimes antibiotics by mouth.

Those with severe symptoms are hospitalized for treatment with intravenous IV antibiotics and sometimes drainage of pus using a needle or doing surgery to remove the affected segment of intestine.

No, diverticulitis is not hereditary. But diverticulosis Diverticulosis of the Large Intestine Diverticulosis is the presence of one or more balloon-like sacs diverticula , usually in the large intestine colon.

When diverticulitis flares up, people need to rest their bowels intestines. For mild cases, a liquid diet is adequate, but people with a severe flare-up should not eat or drink anything until the attack is under control.

Doctors no longer think that diverticulitis is caused by eating small, hard-to-digest things such as nuts, seeds, corn, or popcorn, so people do not have to avoid any particular food between attacks.

Diverticulosis is the presence of one or more balloon-like sacs diverticula , usually in the large intestine. Diverticulosis usually causes no symptoms. Diverticulitis occurs when one of those diverticula becomes inflamed, causing symptoms of abdominal pain, tenderness, and sometimes fever. An attack of diverticulitis usually resolves completely. Some people never have another attack, but others get another attack in the same or in a different part of their intestine.

Merck and Co. From developing new therapies that treat and prevent disease to helping people in need, we are committed to improving health and well-being around the world. The Manual was first published in as a service to the community. Learn more about our commitment to Global Medical Knowledge. This site complies with the HONcode standard for trustworthy health information: verify here. Common Health Topics. Complications of diverticulitis.

Drainage for abscesses Surgery for diverticulitis. FAQs for Diverticulitis. What is diverticulitis? How do you treat diverticulitis?

Is diverticulitis hereditary? What foods should you avoid with diverticulitis? How do you get diverticulitis? Is diverticulitis contagious? What is the difference between diverticulitis and diverticulosis? Can diverticulitis be cured? Diverticular Disease. Test your knowledge.

Eosinophilic esophagitis is an inflammatory disorder in which the wall of the esophagus, the tube leading from the throat to the stomach, becomes filled with a type of white blood cells called eosinophils. Which of the following is believed to be the cause of this disorder?

In the Japanese population living in Hawaii, the risk of diverticulosis is higher than those living in Japan. Diverticulitis seems to occur when a small puncture develops in the diverticular wall.

This causes a small infection to develop, often forming an abscess. Symptoms of diverticulosis Diverticulosis is usually asymptomatic has no symptoms. However, when many diverticula pouches are present, the normal smooth working of the bowel can be affected. This may cause a range of symptoms including: abdominal pain and bloating constipation and diarrhoea flatulence blood in the faeces — this is usually minor, but bleeding can sometimes be heavy if a diverticulum gets inflamed or is near a blood vessel anaemia from repeated bleeding may occur.

Many of these symptoms are similar to those of bowel cancer. Diverticulosis is more common, so these symptoms may be more likely to be due to diverticulosis than cancer. However, a specialist will usually assess these symptoms — your doctor will refer you. Symptoms of diverticulitis Symptoms of diverticulitis include: sharp pain, often located at a specific point — for example, in the lower left half of the abdomen fever distension bloating of the abdomen nausea and vomiting.

Complications of diverticular disease Some of the possible complications of diverticular disease include: Abscess — untreated, diverticulitis may lead to an abscess a ball of pus.

Perforation — a weakened pocket of bowel wall may rupture. The contents of the bowel can then seep into the abdominal cavity. Symptoms include pain, high fever and chills. A perforated bowel is a medical emergency. Peritonitis — perforation can lead to peritonitis infection of the membranes that line the abdominal cavity and abdominal organs. This complication is potentially life threatening.

Haemorrhage — diverticula can be the source of haemorrhage. When bleeding occurs, it is important to exclude other causes. A person with diverticulosis can also get cancer. Diagnosis of diverticular disease Since diverticulosis is often asymptomatic without symptoms , it tends to be discovered during examinations for other conditions such as colorectal cancer.

Diverticulitis is usually diagnosed during an acute attack. Tests to confirm the diagnosis of diverticular disease include: medical history — including dietary habits physical examination — including rectal examination colonoscopy — a slender flexible tube inserted into the anus so that the doctor can look at the entire length of the large intestine barium enema — a special contrasting dye flushed into the bowel via the anus and x-rays are taken CT scan — to detect abscesses outside the bowel lining blood tests — to check for signs of infection stool tests — to check for the presence of blood in the faeces or the presence of infections, which may mimic the symptoms of diverticulosis and diverticulitis.

Treatment for diverticulosis For a person with diverticulosis, there is no proven way to prevent the formation of new diverticula. Treatment revolves around the settling of symptoms. A gradual switch to a diet with increased soluble fibre green vegetables, oat bran and fibre supplements such as psyllium usually leads to an improvement in bowel habit and mild symptoms.

Some foods may make symptoms worse or even lead to diverticulitis. Overall, symptoms of diverticulitis are most likely to occur in people over 70 years old. Diverticular disease is often described as a "Western disease" because the rates are high in European and North American countries, and low in African and Asian countries.

A combination of genetics and diet is thought to be the reason for this and the fact that people in Western countries tend to eat less fibre. Symptoms of diverticular disease and diverticulitis include abdominal pain, bloating and a change in normal bowel habits.

If diverticula have been discovered during a camera test for another reason colonoscopy or during a CT scan, you may be worried about what this means. Diverticula are extremely common over the age of 70 and they do not increase your risk of cancer. It's thought that a high-fibre diet is likely to reduce the risk of any symptoms developing. The most common symptom of diverticular disease is intermittent stop-start pain in your lower abdomen stomach , usually in the lower left-hand side.

The pain is often worse when you are eating, or shortly afterwards. Passing stools and breaking wind flatulence may help relieve the pain.

Another possible symptom of diverticular disease is bleeding dark purple blood from your rectum back passage. This usually occurs after diarrhoea-like cramping pain, and often leads to hospital admission, but fortunately this is an uncommon complication.

Diverticular disease does not cause weight loss, so if you are losing weight, seeing blood in your stools or experiencing frequent bowel changes, see your GP. Diverticulitis shares most of the symptoms of diverticular disease see above. However, the pain associated with diverticulitis is constant and severe, rather than intermittent.

It is most likely to occur if you have previously had symptoms of diverticular disease, and develops over a day or 2. The pain usually starts below your belly button, before moving to the lower left-hand side of your abdomen. In Asian people, the pain may move to the lower right-hand side of your abdomen. This is because East Asian people tend to develop diverticula in a different part of their colon for genetic reasons.

If you have symptoms of diverticular disease and the condition has previously been diagnosed, you do not usually need to contact your GP as the symptoms can be treated at home. Read more about the treatment of diverticular disease. If you have not been diagnosed with the condition, contact your GP so they can rule out other conditions with similar symptoms, such as:. Diverticular disease is caused by small bulges in the large intestine diverticula developing and becoming inflamed.

If any of the diverticula become infected, this leads to symptoms of diverticulitis. The exact reason why diverticula develop is not known, but they are associated with not eating enough fibre.

Fibre makes your stools softer and larger, so less pressure is needed by your large intestine to push them out of your body. The pressure of moving hard, small pieces of stools through your large intestine creates weak spots in the outside layer of muscle.

This allows the inner layer mucosa to squeeze through these weak spots, creating the diverticula. There is currently no clinical evidence to fully prove the link between fibre and diverticula. However, diverticular disease and diverticulitis are both much more common in Western countries, where many people do not eat enough fibre. It is not known why only 1 in 4 people with diverticula go on to have symptoms of diverticulitis. Diverticular disease may be chronic low-level diverticulitis.

The symptoms are very similar to irritable bowel syndrome IBS and may overlap. It is thought an infection develops when a hard piece of stool or undigested food gets trapped in one of the pouches. This gives bacteria in the stool the chance to multiply and spread, triggering an infection. Diverticular disease can be difficult to diagnose from the symptoms, alone because there are other conditions that cause similar symptoms, such as irritable bowel syndrome IBS.

As a first step, your GP may recommend blood tests to rule out other conditions such as coeliac disease a condition caused by an abnormal immune response to gluten or bowel cancer. To make sure there is not a more serious cause of your symptoms, your GP may refer you for a colonoscopy, where a thin tube with a camera at the end a colonoscope is inserted into your rectum and guided into your colon.

Before the procedure begins, you will be given a laxative to clear out your bowels. A colonoscopy is not usually painful, but it can feel uncomfortable. You may be offered painkilling medication and a sedative beforehand to make you feel more relaxed and help reduce any discomfort. Another technique for confirming the presence of diverticula is a computerised tomography CT scan. A CT scan uses X-rays and a computer to create detailed images of the inside of the body. As with a colonoscopy, you will be given a laxative to clear out your bowels before you have the CT scan.

Unlike a regular CT scan, the colonography scan involves a tube being inserted into your rectum, which is used to pump some air up into your rectum. The CT scan is then taken with you lying on your front, and again lying on your back. You may need to have an injection of contrast dye before the scan, but this is not always necessary. If you have had a previous history of diverticular disease, your GP will usually be able to diagnose diverticulitis from your symptoms and a physical examination.

A blood test may be taken, because a high number of white blood cells indicates infection. If your symptoms are mild, your GP will treat it at home and you should recover within 4 days.

If you are unwell, your GP may refer you to hospital for blood tests and investigations. This is to look for complications of diverticulitis and to rule out other possible conditions, such as gallstones or a hernia.

An ultrasound scan may be used, as well as a CT scan. A CT scan may also be used if your symptoms are particularly severe. This is to check whether a complication, such as a perforation or an abscess, has occurred. Treatment options for diverticular disease and diverticulitis depend on how severe your symptoms are. The over-the-counter painkiller paracetamol is recommended to help relieve your symptoms.

Painkillers known as non-steroidal anti-inflammatory drugs NSAIDs , such as aspirin and ibuprofen, are not recommended because they may upset your stomach and increase your risk of internal bleeding.

Eating a high-fibre diet may initially help to control your symptoms. Some people will notice an improvement after a few days, although it can take around a month to feel the benefits fully. Read more advice about using diet to improve the symptoms of diverticular disease. If you have constipation , you may be given a bulk-forming laxative.

These can cause flatulence wind and bloating. Drink plenty of fluids to prevent any obstruction in your digestive system. Heavy or constant rectal bleeding occurs in about 1 in 20 cases of diverticular disease. This can happen if the blood vessels in your large intestine colon are weakened by the diverticula, making them vulnerable to damage.

The bleeding is usually painless, but losing too much blood can be potentially serious and may need a blood transfusion. If you suspect that you or someone in your care is experiencing heavy bleeding, seek immediate medical advice.

Contact your GP at once. If this is not possible then call NHS 24 service or your local out-of-hours service. Mild diverticulitis can often be treated at home. Your GP will prescribe antibiotics for the infection and you should take paracetamol for the pain.

It's important that you finish the complete course of antibiotics, even if you are feeling better. Some types of antibiotics used to treat diverticulitis can cause side effects in some people, including vomiting and diarrhoea. Your GP may recommend that you stick to a fluid-only diet for a few days until your symptoms improve. This is because trying to digest solid foods may make your symptoms worse. You can gradually introduce solid foods over the next 2 or 3 days. For the 3 to 4 days of recovery, a low-fibre diet is suggested, until you return to the preventative high-fibre diet.

This is to reduce the amount of faeces poo your large bowel has to deal with while it is inflamed. If you have not been diagnosed with diverticular disease before, your GP may refer you for a test such as a colonoscopy or CT colonography after the symptoms have settled. If you are admitted to hospital for treatment, you are likely to receive injections of antibiotics and be kept hydrated and nourished using an intravenous drip a tube directly connected to your vein.

Most people start to improve within 2 to 3 days. In the past, surgery was recommended as a preventative measure for people who had 2 episodes of diverticulitis as a precaution to prevent complications.

This is no longer the case, as studies have found that in most cases, risks of serious complications from surgery estimated to be around 1 in usually outweigh the benefits.



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