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Published on: 9/13/2026

Is abdominal pain in women over 65 usually diverticulitis or constipation?

Constipation is the more common cause of abdominal pain in women over 65, while diverticulitis is a frequent but less common culprit that typically brings left lower quadrant pain, fever, and a change in bowel habits. Location, fever, and how quickly the pain came on help separate the two, though older adults often have milder or atypical symptoms that mask serious problems. Other causes such as gallbladder disease, urinary infection, bowel obstruction, ischemia, hernia, and gynecologic conditions must also be ruled out, and several factors matter here. See below to understand the warning signs that call for urgent care and the details that distinguish each cause.

Because age changes how abdominal pain presents, guessing between constipation and diverticulitis can delay treatment for something more serious, so take a free, instant, online symptom check to clarify your likely causes and decide on the right next step.

Last reviewed for medical accuracy: 09/13/2026

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Explanation

Abdominal Pain in Women Over 65: Diverticulitis vs. Constipation

Abdominal pain is one of the most common complaints women over 65 bring to their doctor’s office. With age, our digestive system changes—slower muscle contractions, altered gut flora and often a higher burden of medical conditions and medications. Two frequent causes of lower abdominal discomfort in this age group are constipation and diverticulitis. While they can present with overlapping symptoms, understanding their differences helps ensure timely, appropriate care.

Constipation: The Common Culprit

Constipation affects up to 30% of older adults. Slower colonic transit, reduced mobility, inadequate fluid or fiber intake and certain medications (e.g., calcium channel blockers, opioids) all contribute.

Key features:

  • Onset: Typically gradual, tied to diet or medication changes.
  • Pain character: Crampy, intermittent—often relieved after a bowel movement.
  • Bowel habits: Fewer than three bowel movements per week; stools may be hard, lumpy or require straining.
  • Associated symptoms: Bloating, sensation of incomplete evacuation, rectal discomfort.

Management tips:

  • Increase dietary fiber (fruits, vegetables, whole grains) gradually.
  • Stay well-hydrated—aim for 1.5 to 2 liters of fluids per day unless medically restricted.
  • Incorporate gentle exercise (daily walking or chair exercises).
  • Review medications with your doctor—some can be adjusted or supplemented with a stool softener.
  • If lifestyle changes aren’t enough, over-the-counter osmotic laxatives (e.g., polyethylene glycol) or bulk-forming agents may help, but use under guidance.

Constipation rarely becomes a medical emergency. However, if you develop severe, persistent pain, vomiting, or your abdomen becomes markedly distended, seek prompt medical advice.

Diverticulitis: When Pouches Become Inflamed

Diverticula—small bulging pouches in the colon wall—become more common after age 60. When these pouches become inflamed or infected, the condition is called diverticulitis.

Key features:

  • Onset: Often sudden or over a few days.
  • Pain character: Steady, localized (classically in the lower left abdomen, though it can occur on the right).
  • Bowel habits: May include constipation, diarrhea or both.
  • Associated symptoms: Low-grade fever, chills, nausea, sometimes urinary urgency.

When to worry:

  • Fever above 38.3 °C (101 °F)
  • Rapid heart rate (>90 beats per minute)
  • Significant nausea or vomiting
  • Bright red or maroon blood in stool
  • Inability to pass gas or stool
  • Confusion or dizziness

Diverticulitis can range from mild (treated at home with antibiotics and a modified diet) to severe (requiring hospitalization, intravenous antibiotics or even surgery).

Telling Them Apart: Key Differences

While both conditions can cause lower abdominal discomfort, certain clues point more strongly to one diagnosis over the other:

Feature Constipation Diverticulitis
Pain onset Gradual, related to bowel pattern Sudden or progressive over days
Pain relief Often eases after bowel movement Rarely fully relieved by passing stool
Bowel frequency <3 per week Variable (can be diarrheal)
Systemic signs Usually none Fever, chills, malaise
Abdominal exam Distended, firm stool in colon Localized tenderness, possible rebound

If you’re unsure, tracking your symptoms—onset, location, severity, bowel habits, temperature—can help your doctor diagnose and manage your condition more quickly.

Evaluation: What to Expect

When you see a healthcare provider for abdominal pain, expect:

  • Medical history: Medications, diet, activity level, prior surgeries or GI conditions.
  • Physical exam: Checking for tenderness, signs of infection or obstruction.
  • Laboratory tests: Complete blood count (looking for elevated white cells), inflammatory markers.
  • Imaging: Abdominal ultrasound or CT scan to visualize diverticula, rule out abscess or perforation.
  • Stool tests: If diarrhea predominates, to exclude infections.

Early evaluation is especially important in older adults. Many serious conditions—like bowel obstruction, ischemia or malignancy—can present similarly. Timely assessment reduces the risk of complications.

Home Management vs. Medical Treatment

Constipation:

  • First line: Dietary changes, fluid intake, exercise.
  • Second line: Over-the-counter laxatives or stool softeners (short-term use).
  • Follow-up: If no improvement in 1–2 weeks or if you notice blood in stool, seek medical advice.

Mild diverticulitis (doctor-supervised):

  • Antibiotics: Targeted to gut bacteria.
  • Diet: Clear liquids progressing to low-fiber, then back to high-fiber over weeks.
  • Pain control: Acetaminophen rather than NSAIDs, which can raise complication risks.
  • Rest and follow-up: Repeat imaging if symptoms persist beyond 5–7 days.

Severe diverticulitis or complications (abscess, perforation):

  • Hospitalization: Intravenous antibiotics, possible drainage.
  • Surgery: In cases of perforation or recurrent episodes.

Red Flags: When to Seek Immediate Care

Whether you suspect constipation or diverticulitis, treat any of the following as potentially serious:

  • Sudden, severe abdominal pain
  • High fever or chills
  • Persistent vomiting
  • Blood in vomit or stool
  • Signs of dehydration (dizziness, scant urine output)
  • Mental confusion or fainting

In these situations, call your doctor or go to the nearest emergency department.

Tracking Symptoms and Next Steps

Keeping a simple symptom diary can empower you and your care team:

  • Date and time of pain onset
  • Pain location and intensity (scale of 1–10)
  • Bowel movement frequency and appearance
  • Temperature readings
  • New medications or diet changes

You may also consider a free, online symptom check, using the doctor approved Ubie Symptom Checker to help clarify possible causes and next steps in minutes. This tool is not a substitute for medical advice but can guide you in deciding when to consult a healthcare professional.

Final Thoughts

  • Abdominal pain in women over 65 is common and often stems from constipation or diverticulitis.
  • Constipation tends to come on gradually and improves with bowel movements.
  • Diverticulitis often presents suddenly with localized pain and fever.
  • Early evaluation by a doctor—including history, exam, labs and imaging—ensures accurate diagnosis and treatment.
  • Adopt lifestyle measures (fiber, fluids, activity) to prevent constipation and diverticular complications.
  • Never ignore red-flag symptoms; timely care can be lifesaving.

If you experience persistent or severe abdominal pain—or any worrisome symptoms—speak to a doctor right away. Proper evaluation and treatment will help you maintain comfort, health and peace of mind.

(References)

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  • * Siajunboriboon S, Tanpowpong P, Empremsilapa S, Lertudomphonwanit C, Nuntnarumit P, Treepongkaruna S. Prevalence of functional abdominal pain disorders and functional constipation in adolescents. J Paediatr Child Health. 2022 Jul;58(7):1209-1214. doi: 10.1111/jpc.15950. Epub 2022 Mar 29. PMID: 35348253.

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  • * Corsetti M, Shin A, Lacy BE, Cash BD, Simrén M, Schmulson MJ, Hou X, Lembo A. Bowel Disorders. Gastroenterology. 2026 May;170(6):1261-1282. doi: 10.1053/j.gastro.2026.02.003. Epub 2026 Feb 17. PMID: 41713703.

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