What does a flare up of diverticulitis feel like?
Daniel Moore
Published Jan 19, 2026
Diverticulitis (flare-up) occurs when the diverticula become inflamed and/or infected. There might be an increase in diarrhea, cramping, and bowel irritability, and symptoms can include intense pain, abdominal cramping, bleeding, bloating, and fever.
How do I know if my diverticulitis is flaring up?
Symptoms of a diverticulitis flare-up
- Constant abdominal pain that lasts for days, typically on the lower left side of the abdomen (although some people experience it on the lower right side)
- Nausea and/or vomiting.
- Fever and/or chills.
- Constipation or diarrhea.
- Abdominal tenderness or cramping.
- Rectal bleeding.
How long does a diverticulosis flare-up last?
Your doctor can usually treat diverticulitis with a special diet, plenty of rest, and, in some cases, antibiotic medica- tions. Once treated, most people start feeling better within a few days. Approximately 20% of patients will have another flare-up, or recurrence. This usually happens within 5 years.
What can be mistaken for diverticulitis?
Common alternative conditions that can clinically mimic diverticulitis include small bowel obstruction, primary epiploic appendagitis, acute cholecystitis, appendicitis, ileitis, ovarian cystic disease, and ureteral stone disease.
What triggers diverticulitis flare ups?
Lifestyle remains the major culprit behind diverticulitis flare-ups. A high-fat, low-fiber diet commonly followed in Western countries can exacerbate diverticulitis symptoms. Lack of fiber in the diet can cause constipation and strain the bowel.
45 related questions foundWhat does poop look like with diverticulitis?
Diverticulitis stool characteristics
Color: The stool may be bright red, maroon, or black and tarry, which indicates the presence of blood. Stools may contain more mucus than normal. Odor: The stool odor may be increasingly foul compared to the typical smell.
What helps diverticulitis pain fast?
This article looks at eight potential home remedies for diverticulitis, as well as some complications of the condition and when to see a doctor.
- Try a liquid diet. ...
- Adopt a low fiber diet. ...
- Increase fiber intake. ...
- Get more vitamin D. ...
- Apply a heat pad. ...
- Try probiotics. ...
- Get more exercise. ...
- Try herbal remedies.
Where do you hurt with diverticulitis?
The signs and symptoms of diverticulitis include: Pain, which may be constant and persist for several days. The lower left side of the abdomen is the usual site of the pain.
Does your stomach hurt with diverticulitis?
Diverticulitis. The most common symptom of diverticulitis is belly or abdominal pain. The most common sign that you have it is feeling sore or sensitive on the left side of your lower belly. If infection is the cause, then you may have fever, nausea, vomiting, chills, cramping, and constipation.
Can you have diverticulitis without a fever?
The patients with “atypical diverticulitis” present primarily with pain and may report alterations in bowel habits, though without fever, leukocytosis, or radiological signs of diverticulitis.
Is walking good for diverticulitis flare up?
Conclusions. Data from this large prospective cohort suggest that physical activity lowers the risk of diverticulitis and diverticular bleeding.
Will diverticulitis heal on its own?
How is uncomplicated diverticulitis treated? In about 95 out of 100 people, uncomplicated diverticulitis goes away on its own within a week. In about 5 out of 100 people, the symptoms stay and treatment is needed. Surgery is only rarely necessary.
Can I exercise during diverticulitis flare up?
You should begin to feel normal again after about six weeks, but should avoid heavy lifting and strenuous exercise as these may increase the possibility of hernia formation.
Does diverticulitis cause gas?
Excess gas is often a symptom of chronic intestinal conditions, such as diverticulitis, ulcerative colitis or Crohn's disease.
Does drinking water help diverticulitis?
Yes, drinking water may help resolve diverticulitis. However, the overall management of diverticulitis depends on the extent of the disease. Only hydration may not help in all cases. It is advised to maintain a liquid diet, such as clear liquids or broths, during the first few days of the diverticulitis attack.
What is the best drink for diverticulitis?
Water and clear juices (such as apple, cranberry, or grape), strained citrus juices or fruit punch. Coffee or tea (without cream or milk) Clear sports drinks or soft drinks, such as ginger ale, lemon-lime soda, or club soda (no cola or root beer) Clear broth, bouillon, or consommé
Is yogurt good for diverticulitis?
Dairy: “Cottage cheese and Greek yogurt are real winners if you're recovering from a flare-up: They're high in protein, calcium and other nutrients and don't have any fiber. They're also soft, moist and easier to get down if you're not feeling well,” says Taylor.
What happens if you leave diverticulitis untreated?
If left untreated, diverticulitis may lead to a collection of pus (called an abscess) outside the colon wall or a generalized infection in the lining of the abdominal cavity, a condition referred to as peritonitis.
When should I go to the hospital for diverticulitis?
However, you should seek immediate medical attention if your symptoms are not going away or you are feeling worse, such as having increasing pain, fever, bloody stools, or abdominal bloating with vomiting. Treatment depends on whether you have uncomplicated or complicated diverticulitis.
How long can you live with diverticulitis?
Long-term survival
The corresponding figures after uncomplicated diverticulitis were 97 % (CI 92 to 100) after 5 years, 91 % (CI 84 to 98) after 10 years, and 87 % (CI 76 to 97) after 15 years.
Can diverticulitis make your back hurt?
Can diverticulitis pain radiate to the back? Symptoms of diverticulitis include nausea, vomiting, abdominal pain, fever, and constipation or diarrhea. Pain often affects the lower left side of the abdomen, but it can radiate to the back, legs, groin, and side as well.
Can diverticulitis make you pee more?
Diverticulitis can lead to the inflamed part of the bowel being in contact with the bladder. This may cause urinary problems, such as: pain when urinating (dysuria) needing to urinate more often than usual.
Can diverticulitis cause hip and leg pain?
Rarely, patients with significant abdominal pathology such as appendicitis and diverticulitis can present with hip pain. Diverticulitis presenting as hip pain is rare with only 15 reported cases in the literature.
What happens if diverticulitis bursts?
An attack of diverticulitis that causes the colon to perforate, resulting in pus or stool leaking into the abdominal cavity and causing peritonitis. Patients with colonic perforation are usually quite ill, and present with severe abdominal pain and changes in heart rate and blood pressure.
Does diverticulosis affect bowel movements?
In chronic diverticulitis, inflammation and infection may go down but never clear up completely. Over time, the inflammation can lead to a bowel obstruction, which may cause constipation, thin stools, diarrhea, bloating, and belly pain.