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Can you have diverticulitis without fever?

Author

Emma Payne

Published Jan 16, 2026

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 diverticulitis always accompanied by a fever?

The majority of people with diverticula will not have any symptoms; this is known as diverticulosis. Symptoms of diverticulitis tend to be more serious and include: more severe abdominal pain, especially on the left side. high temperature (fever) of 38C (100.4F) or above.

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.

Can you have pain from diverticulitis without infection?

You can have diverticulosis and not have any pain or symptoms. But symptoms may include mild cramps, swelling or bloating, and constipation. These symptoms can also be caused by irritable bowel syndrome, stomach ulcers, or other health problems.

How do you know if you have a mild case of diverticulitis?

The symptoms of diverticulitis include: Pain, tenderness or sensitivity in the left lower side of your abdomen. Pain can start out mild and increase over several days or come on suddenly. (Pain is the most common symptom.)

26 related questions found

What 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.

Can diverticulitis go away on its own without antibiotics?

A mild case of diverticulitis may go away on its own without any treatment. When treatment is necessary, antibiotics and a liquid or low-fiber diet may be all that is necessary to resolve symptoms.

How do you know if diverticulitis has ruptured?

In most cases, when you have diverticular bleeding, you will suddenly have a large amount of red or maroon-colored blood in your stool. Diverticular bleeding may also cause dizziness or light-headedness, or weakness. See your doctor right away if you have any of these symptoms.

How do I know if my diverticulitis is flaring up?

Symptoms of a diverticulitis flare-up

  1. 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)
  2. Nausea and/or vomiting.
  3. Fever and/or chills.
  4. Constipation or diarrhea.
  5. Abdominal tenderness or cramping.
  6. Rectal bleeding.

Is diverticulitis pain constant or intermittent?

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 two.

Does diverticulitis cause gas?

Excess gas is often a symptom of chronic intestinal conditions, such as diverticulitis, ulcerative colitis or Crohn's disease.

Can diverticulitis go away on its own?

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.

Do probiotics help diverticulitis?

Low-grade inflammation and altered intestinal microbiota have been identified as factors contributing to abdominal symptoms. Probiotics may lead to symptoms improvement by modifying the gut microbiota and are promising treatments for diverticular disease.

Can diverticulitis cause chills without fever?

If the pouches become inflamed or infected, you have a condition called diverticulitis. The most common symptom is abdominal pain, usually on the left side. You may also have fever, nausea, vomiting, chills, cramping, and constipation. In serious cases, diverticulitis can lead to bleeding, tears, or blockages.

What does diverticular pain feel like?

The most common symptom of diverticulitis is a sharp cramp-like pain, usually on the left side of your lower abdomen. Other symptoms can include fever and chills, nausea, vomiting, and constipation or diarrhea.

Does bloodwork show diverticulitis?

A health care professional will take a blood sample from you and send the sample to a lab. Doctors may use blood tests to check for signs of diverticulitis or its complications.

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.

How long can a diverticulitis 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 happens if diverticulitis goes 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.

Can diverticulitis make you pee more?

The symptoms of diverticulitis depend upon the degree of inflammation present. The most common symptom is pain in the left lower abdomen. Other symptoms can include nausea and vomiting, constipation, diarrhea, and urinary symptoms such as pain or burning when urinating or the frequent need to urinate.

What helps diverticulitis pain fast?

Mild diverticulitis infection may be treated with bed rest, stool softeners, a liquid diet, antibiotics to fight the infection, and possibly antispasmodic drugs.

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

Does diverticulitis cause narrow stools?

If diverticulosis is far advanced and severe, the lower colon may become very fixed or narrowed causing thin stools and constipation. The most common symptom of diverticulitis is abdominal pain with tenderness around the left side of the lower abdomen.

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.