Constipation: When to Get Checked and Which Results to Watch

Understand constipation, when to seek medical advice, and key test results to monitor.

Sep 13, 2026 3 min read

Constipation is a common digestive issue characterized by infrequent or difficult bowel movements. While it is often harmless and temporary, persistent constipation can signal underlying health concerns. This article will help you understand when to seek medical attention and which test results are important to monitor.

What is constipation?

Constipation occurs when bowel movements become less frequent and stools are difficult to pass. It is generally defined as having fewer than three bowel movements per week. Symptoms can include hard or lumpy stools, straining during bowel movements, and a feeling of incomplete evacuation. Constipation can affect anyone, but it is more common in older adults and women.

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Causes of constipation

Constipation can result from various factors, including dietary habits, lifestyle choices, and medical conditions. Some common causes include:

  • Low fiber diet: A diet lacking in fruits, vegetables, and whole grains can lead to constipation.
  • Dehydration: Not drinking enough water can make stools hard and difficult to pass.
  • Lack of physical activity: Regular exercise helps stimulate intestinal activity.
  • Medications: Certain medications, such as opioids and some antidepressants, can cause constipation.
  • Medical conditions: Conditions like irritable bowel syndrome (IBS), diabetes, and thyroid disorders can contribute to constipation.

Key test results to monitor

When constipation persists, healthcare providers may recommend various tests to identify underlying causes. Important test results to watch include:

  • Complete blood count (CBC): This blood test can help detect anemia or infection, which may be related to gastrointestinal issues.
  • Thyroid function tests: These tests assess thyroid hormone levels, as an underactive thyroid (hypothyroidism) can lead to constipation.
  • Colonoscopy: This procedure allows doctors to examine the colon for abnormalities such as polyps or tumors that may be causing constipation.

When to see a doctor

While occasional constipation is usually not a cause for concern, you should consult a healthcare provider if you experience:

  • Constipation lasting more than three weeks
  • Severe abdominal pain or bloating
  • Blood in your stool or rectal bleeding
  • Unexplained weight loss
  • A sudden change in bowel habits

These symptoms may indicate a more serious condition that requires medical evaluation.

Frequently asked questions

What lifestyle changes can help relieve constipation? Increasing your fiber intake, staying hydrated, and engaging in regular physical activity can help alleviate constipation. Additionally, setting a regular bathroom schedule may be beneficial.

Are there over-the-counter medications for constipation? Yes, there are several over-the-counter laxatives available, such as bulk-forming agents, stool softeners, and osmotic laxatives. However, it's important to use them as directed and consult a healthcare provider if they do not provide relief.

Can stress cause constipation? Yes, stress can affect your digestive system and lead to constipation. Managing stress through relaxation techniques and ensuring a balanced lifestyle can help improve bowel regularity.

Is constipation a sign of a serious health issue? While constipation is usually not serious, persistent or severe cases can indicate underlying health problems that require medical attention.

How is constipation diagnosed? Doctors diagnose constipation based on medical history, physical examination, and, if necessary, diagnostic tests such as blood tests or imaging studies.

When to see a doctor

Consult a healthcare provider if constipation is persistent, accompanied by severe symptoms, or if you notice any alarming changes in your bowel habits. Early evaluation can help identify and address any underlying health issues.

Always consult with your healthcare provider for medical advice tailored to your personal circumstances.

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