I. Understanding Constipation: More Than Just Infrequent Bowel Movements
Constipation, a frequently encountered gastrointestinal complaint, is characterized by infrequent bowel movements and the difficult passage of dry, hard stools. While it can affect anyone, certain populations are more susceptible, including the elderly, women (especially during and after pregnancy), and individuals with neurological conditions.
It’s crucial to note that the term “Constipation” has been updated to “Chronic Functional Constipation” by NANDA International. However, for the purpose of broader understanding and accessibility, this article will continue to use the term “Constipation” while acknowledging the official nomenclature change. This guide aims to provide a comprehensive understanding of constipation as a nursing diagnosis, encompassing its causes, symptoms, assessment, and management strategies for nurses and healthcare professionals.
II. Unpacking the Root Causes of Constipation
Identifying the underlying causes of constipation is paramount for effective nursing interventions. Several factors can contribute to this condition, broadly categorized as follows:
A. Dietary Factors: The Fiber and Fluid Connection
- Low Fiber Diet: Insufficient dietary fiber is a leading cause of constipation. Fiber adds bulk to the stool, facilitating its passage through the digestive tract.
- High Dairy Intake: Increased consumption of milk and cheese products, particularly in some individuals, can contribute to constipation due to their low fiber content and potential effects on gut motility.
- Processed Foods: Diets rich in highly processed foods are often low in fiber and nutrients, hindering proper bowel function.
- Dehydration: Inadequate fluid intake leads to harder stools, making them difficult to pass. Dehydration, or fluid volume deficit, significantly impacts stool consistency and ease of elimination.
B. Lifestyle and Activity Levels: Movement Matters
- Sedentary Lifestyle: Low levels of physical activity and exercise contribute to sluggish bowel movements. Movement stimulates intestinal muscles, promoting peristalsis.
- Routine Changes: Alterations in daily routines, such as travel or hospitalization, can disrupt regular bowel habits and lead to constipation.
- Limited Mobility: Bed rest and poor mobility, especially in hospitalized or elderly patients, significantly increase the risk of constipation due to reduced physical activity.
- Chronic Disability: Individuals with chronic disabilities often experience mobility limitations and other factors that predispose them to constipation.
C. Psychological and Behavioral Factors
- Stress: Psychological stress can significantly impact bowel function, leading to constipation in some individuals. The gut-brain axis plays a critical role in regulating digestion.
- Ignoring the Urge: Habitually resisting the urge to defecate can lead to constipation. This practice can desensitize the bowel to natural signals and harden the stool as more water is absorbed in the colon.
D. Medical and Physiological Factors
- Oral/Dental Health Problems: Difficulties with chewing or swallowing due to oral or dental issues can lead to the consumption of softer, low-fiber foods, increasing constipation risk.
- Pregnancy and Postpartum: Hormonal changes during pregnancy and the pressure of the growing fetus on the intestines can slow down bowel movements. Similarly, postpartum hormonal shifts can also contribute to constipation.
- Chronic Pain: Chronic pain conditions can sometimes lead to reduced physical activity and medication use, both of which can contribute to constipation.
E. Medication-Induced Constipation
Numerous medications can have constipation as a side effect. Common culprits include:
- Pain Medications:
- Narcotics (Opioids): Opioid analgesics are notorious for causing constipation by slowing down bowel motility.
- NSAIDs (Non-Steroidal Anti-Inflammatory Drugs): While less common than with opioids, NSAIDs can also contribute to constipation in some individuals.
- Antidepressants: Certain antidepressants can affect neurotransmitters involved in bowel function, leading to constipation.
- Antacids (Calcium or Aluminum-Based): Antacids containing calcium or aluminum can have a constipating effect.
- Iron Supplements: Iron supplements are a well-known cause of constipation, particularly in pregnant women.
- Allergy Medications (Antihistamines): Some antihistamines can have anticholinergic effects, which can contribute to constipation.
- Blood Pressure Medications: Certain blood pressure medications, such as calcium channel blockers and beta-blockers, may cause constipation as a side effect.
- Psychiatric Medications: Various psychiatric medications can have anticholinergic or other effects that lead to constipation.
- Antiemetics: Some antiemetics used to prevent nausea and vomiting can also cause constipation.
- Anticonvulsants: Certain anticonvulsant medications can also contribute to constipation.
F. Underlying Medical Conditions
Several medical conditions and diseases are associated with an increased risk of constipation:
- Hypothyroidism: An underactive thyroid gland can slow down metabolism and bowel function, leading to constipation.
- Irritable Bowel Syndrome (IBS): Constipation is a common symptom of IBS, particularly the constipation-predominant subtype (IBS-C).
- Neurological Disorders: Conditions like Parkinson’s disease, multiple sclerosis, and spinal cord injuries can disrupt nerve signals to the bowel, causing constipation.
- Diabetes: Diabetes can damage nerves, including those controlling the digestive system, potentially leading to constipation.
- Colorectal Cancer: While less common, constipation can be a symptom of colorectal cancer, especially if there is a change in bowel habits.
- Anal Fissures and Hemorrhoids: These conditions can cause pain during bowel movements, leading individuals to avoid defecation and worsen constipation.
Understanding these diverse causes is crucial for nurses to develop individualized care plans and implement effective interventions for patients experiencing constipation.
III. Recognizing the Signs and Symptoms of Constipation: Subjective and Objective Indicators
Identifying constipation involves recognizing both subjective symptoms reported by the patient and objective signs observed during nursing assessment.
A. Subjective Symptoms (Patient Reports)
These are symptoms described by the patient and provide valuable insights into their experience:
- Infrequent Bowel Movements: Fewer than three bowel movements per week is a primary indicator of constipation.
- Hard, Dry Stool: Patients often describe their stools as hard, dry, and difficult to pass.
- Lumpy Stool: Stool consistency may be described as lumpy or pebble-like.
- Straining During Defecation: Significant straining or pain during bowel movements is a common complaint.
- Pain and Discomfort: Patients may experience stomach pain, aches, or cramps associated with constipation.
- Bloating and Nausea: Feelings of bloating, fullness, and nausea can accompany constipation.
- Incomplete Evacuation: The sensation of not fully emptying the bowels after a bowel movement is a frustrating symptom.
B. Objective Signs (Nurse Assessment)
These are signs observed by the nurse during physical assessment and review of medical history:
- Medical History Review: Assessing the patient’s medical history is essential, including any history of constipation, activity level, and medications used for constipation management.
- Abdominal Pain Assessment: If abdominal pain is present, a thorough assessment is necessary, using an age-appropriate pain scale to evaluate:
- Location of Pain: Where is the pain located in the abdomen?
- Severity of Pain: How intense is the pain? (e.g., using a 0-10 scale)
- Duration of Pain: How long has the pain been present?
- Description of Pain: What does the pain feel like? (e.g., cramping, sharp, dull)
- Aggravating/Relieving Factors: What makes the pain worse or better?
- Comprehensive Abdominal Assessment: A systematic abdominal assessment is crucial, performed in the following sequence:
- Inspection: Visually examining the abdomen for distention, scars, or masses.
- Auscultation: Listening to bowel sounds in all four quadrants of the abdomen to assess bowel activity.
- Percussion: Tapping on the abdomen to assess for tympany (air-filled) or dullness (fluid or solid) sounds.
- Palpation: Gently pressing on the abdomen to assess for tenderness, masses, or organomegaly.
- Stool Characteristics Assessment: Evaluating stool characteristics provides objective data. Assess:
- Color: Normal stool color is brown. Note any variations like black, red, or pale stools.
- Consistency: Use the Bristol Stool Chart to objectively categorize stool consistency.
- Amount: Estimate the amount of stool passed.
Utilizing both subjective patient reports and objective nursing assessments allows for a comprehensive understanding of the patient’s constipation and guides the development of an effective care plan.
IV. Setting Expected Outcomes: Goals for Constipation Management
Establishing clear and measurable expected outcomes is crucial for guiding nursing care planning and evaluating the effectiveness of interventions. Common goals for patients with constipation include:
- Soft, Formed Stool: The patient will report passing soft, formed stools during bowel movements, indicating improved stool consistency and ease of passage.
- Regular Bowel Movements: The patient will establish a bowel movement frequency within the normal range, typically from three times a week to three times a day, reflecting improved bowel regularity.
- Pain-Free Defecation: The patient will verbalize being free of pain and straining during bowel movements, indicating relief from discomfort associated with constipation.
- Knowledge of Prevention: The patient will be able to identify actions and lifestyle modifications to prevent constipation recurrence in the future, promoting self-management and long-term bowel health.
- Behavioral and Lifestyle Changes: The patient will be able to enumerate specific behavior and lifestyle changes they can implement to prevent constipation, demonstrating understanding and commitment to these changes.
These expected outcomes are patient-centered and focus on improving bowel function, alleviating symptoms, and promoting patient education for long-term constipation management.
V. Comprehensive Nursing Assessment for Constipation: A Step-by-Step Guide
A thorough nursing assessment is the cornerstone of effective constipation management. It involves gathering subjective and objective data to understand the patient’s specific needs and guide interventions.
1. Assess Changes in Bowel Habits:
- Time of Day: When does the patient usually have bowel movements?
- Frequency: How often are bowel movements occurring? Is there a change from their usual pattern?
- Experience: Inquire about pain, straining, or difficulty during bowel movements.
- Bowel Aids: Ask about previous or current use of stool softeners or laxatives.
2. Observe Stool Characteristics:
- Amount: How much stool is typically passed?
- Consistency: Use the Bristol Stool Chart for objective assessment of consistency (Type 1-7).
- Color: Note the stool color.
- Odor: Observe any unusual or foul odor.
3. Assess Lifestyle Choices:
- Activity Level: How active is the patient?
- Exercise: Does the patient engage in regular exercise?
- Food Preferences and Diet: Inquire about dietary habits, fiber intake, and fluid intake.
4. Review Medical History and Medication List:
- Identify pre-existing medical conditions that can contribute to constipation (e.g., hypothyroidism, IBS).
- Review all current medications, noting any that are known to cause constipation (e.g., opioids, antidepressants).
5. Check for Emotional Distress:
- Assess for stress, anxiety, and depression, as these can impact bowel function.
6. Utilize the Bristol Stool Scale:
- Employ the Bristol Stool Scale as a standardized tool to assess and document stool consistency consistently.
7. Assess for Laxative Abuse and Misuse:
- Be vigilant for signs of laxative misuse, particularly in older adults or individuals with a history of constipation.
8. Identify Life Changes and Stressors:
- Explore recent life changes, stressors (pregnancy, travel, relationship changes, financial worries), as these can contribute to constipation.
9. Investigate Cause of Pain During Defecation:
- If the patient reports pain, assess for potential causes such as hemorrhoids, rectal fissures, or prolapse.
10. Perform Abdominal Assessment:
- Conduct a complete abdominal assessment in the correct sequence (Inspection, Auscultation, Percussion, Palpation) to gather objective data.
11. Perform Digital Rectal Examination (as indicated and with order):
- Assess rectal tone, check for pain or bleeding, and evaluate for fecal impaction.
12. Extensive Work-Up if Treatment Fails:
- If initial treatments are ineffective, consider further outpatient work-up after 3-6 months to investigate underlying defecatory disorders. This may include:
- Anorectal manometry
- Colonic manometry
- Colonic transit studies
- Surface anal electromyography (EMG)
- Balloon expulsion testing
- Imaging studies (X-ray, ultrasound)
- Lower gastrointestinal (GI) endoscopy
13. Assist with Imaging Studies (as indicated):
- Prepare and assist the patient with imaging tests as ordered to rule out structural abnormalities or underlying causes of persistent constipation.
This comprehensive nursing assessment provides a holistic understanding of the patient’s constipation and lays the foundation for targeted and effective nursing interventions.
VI. Nursing Interventions for Constipation: Restoring Bowel Function and Comfort
Nursing interventions are crucial for alleviating constipation and promoting regular bowel function. These interventions range from manual techniques to lifestyle modifications and medication administration.
1. Manual Disimpaction:
- For severe fecal impaction, manual disimpaction may be necessary. This procedure involves digitally removing impacted stool from the rectum, often followed by transrectal enemas.
2. Administer Laxatives or Stool Softeners (as prescribed):
- Laxatives and stool softeners can be helpful in the short-term management of constipation. Types include:
- Bulk-forming agents (fiber, psyllium): Increase stool bulk and water content.
- Emollient stool softeners (docusate): Soften stool by increasing water and fat penetration.
- Rapidly acting lubricants (mineral oil): Lubricate the stool and intestinal walls.
- Prokinetics (tegaserod): Stimulate bowel motility (used in specific cases and under medical supervision).
- Stimulant laxatives (senna, bisacodyl): Stimulate intestinal contractions (use cautiously and short-term due to potential dependence).
3. Apply Lubricant or Anesthetic Ointment (as ordered):
- Topical lubricants can ease stool passage and reduce straining. Anesthetic ointments can alleviate discomfort from hemorrhoids or anal fissures.
4. Emphasize Lifestyle Changes:
- Patient education on lifestyle modifications is paramount for long-term constipation prevention. Focus on:
- Dietary changes: High-fiber diet, adequate fluid intake.
- Regular physical activity: Exercise promotes bowel motility.
- Establishing regular bowel habits: Responding to the urge to defecate, scheduled toileting.
5. Encourage High-Fiber Diet:
- Promote a diet rich in whole foods, including:
- Fruits: Berries (raspberries, strawberries, blueberries), pears, apples, bananas.
- Vegetables: Peas, broccoli, Brussels sprouts, potatoes, sweet corn, cauliflower, carrots.
- Grains: Barley, quinoa, bran, oatmeal, brown rice, whole wheat bread.
- Legumes and Nuts: Split peas, lentils, baked beans, black beans, chia seeds.
- Recommend fiber supplements (wheat bran, psyllium) if dietary fiber intake is insufficient.
- Advise limiting low-fiber foods (ice cream, cheese, meats, processed foods, fast food).
6. Promote Increased Fluid Intake:
- Encourage adequate daily fluid intake, including:
- Water (primary source).
- High-fiber fruits.
- Vegetable juices.
- Fruit and vegetable smoothies.
- Popsicles (for hydration and comfort).
- Warm liquids (tea, hot water, decaffeinated coffee) may stimulate bowel movements.
7. Avoid Caffeine and Alcohol:
- Advise limiting caffeine and alcohol intake, as they can dehydrate the body and irritate the gastrointestinal tract.
8. Advise Physical Activities:
- Encourage daily exercise and physical activity to improve muscle flexibility and aid digestion.
9. Encourage Elimination Diary:
- Recommend keeping an elimination diary to track bowel movements, stool characteristics, and medication use, aiding in long-term management.
10. Establish Regular Bowel Movements:
- Encourage patients to respond promptly to the urge to defecate.
- Promote scheduled toileting at predictable times to establish regular bowel habits.
11. Promote Bowel Management Program:
- Provide privacy and a consistent time for toileting.
- Accommodate patient preferences (toilet, commode, bedpan).
12. Promote Pain Relief During Defecation:
- Suggest sitz baths before bowel movements to relax sphincter muscles and ease passage.
13. Gentle Abdominal Massage:
- Perform gentle abdominal massage to stimulate peristalsis and encourage rectal loading.
14. Teach Self-Abdominal Massage:
- Instruct patients on how to perform abdominal massage at home for self-management.
15. Refer to Healthcare Provider (for medical therapy):
- Advise patients to consult their healthcare provider before using additional medical therapies (laxatives, enemas, suppositories) to prevent misuse and ensure appropriate treatment.
16. Assist with Surgery (in severe cases):
- In rare cases of severe, intractable constipation, surgical interventions may be necessary. These may include:
- Anal procedures
- Antegrade enemas
- Colorectal resection
- Intestinal diversion
17. Sacral Nerve Stimulation (in select cases):
- Sacral nerve stimulation may be considered for some children with functional constipation, but further research is needed.
18. Emotional Support:
- Provide emotional support and address any anxieties or difficulties related to long-term bowel control.
These nursing interventions provide a comprehensive approach to managing constipation, addressing both immediate symptom relief and long-term bowel health promotion.
VII. Nursing Care Plans for Constipation: Examples and Applications
Nursing care plans provide a structured framework for organizing assessments, interventions, and expected outcomes for patients with constipation. Here are examples of care plans addressing different contributing factors:
Care Plan #1: Opioid-Induced Constipation
Diagnostic Statement:
Constipation related to opioid analgesics as evidenced by lack of bowel movement post-surgery.
Expected Outcomes:
- Patient will pass soft, formed stools every 1 to 3 days without straining.
- Patient will implement measures to relieve opioid-induced constipation.
Assessment:
- Review Medication History: Assess opioid use (dosage, frequency, duration) and prescribed laxatives. Opioid-induced constipation is common (approx. 60%).
- Assess Normal Defecation Pattern: Determine the patient’s usual bowel habits before opioid use to establish a baseline. Utilize Rome IV Criteria to evaluate functional constipation if needed:
- Hard stools ≥ 25% of bowel movements
- Straining ≥ 25% of bowel movements
- Incomplete evacuation sensation ≥ 25% of defecations
- Manual maneuvers to aid defecation
Interventions:
- Administer Laxatives as Indicated: Prophylactic laxatives (excluding bulk-forming) are generally recommended for patients on opioids.
- Encourage Early Physical Mobility: Post-operative mobility reduces constipation risk, speeds recovery, and shortens hospital stays.
- Educate Patient and Family: Explain opioid-induced constipation as a common side effect and reassure them that it can be managed with laxatives (stimulant, stool softener, osmotic) and mobility.
- Discourage Long-Term Laxative Use: Educate about the risk of dependence with long-term stimulant laxative use.
Care Plan #2: Immobility-Related Constipation
Diagnostic Statement:
Constipation related to immobility as evidenced by bloating and abdominal discomfort.
Expected Outcomes:
- Patient will pass Bristol Stool Type 3 or 4.
- Patient will report relief from constipation discomfort (bloating, abdominal discomfort, distension, anorexia, nausea, vomiting).
- Patient will demonstrate measures to relieve discomfort.
Assessment:
- Assess Usual Bowel Pattern: Detail frequency, time of day, stool amount/consistency, laxative use, diet, exercise, fluid intake to establish a baseline.
- Assess Mobility Level: Determine the patient’s ability to move to plan appropriate activity interventions.
Interventions:
- Advise Fiber Intake (18-25g/day): Recommend fiber-rich foods (prune juice, leafy greens, whole grains) to add bulk and stimulate peristalsis.
- Advise Fluid Intake (1.5-2L/day): Encourage 6-8 glasses of water daily (unless contraindicated) to soften stool and aid passage.
- Encourage Physical Activity: Promote activity within patient’s ability (bed exercises, knee-to-chest, waist twists, arm stretches) to stimulate peristalsis.
- Demonstrate Abdominal Massage: Teach gentle abdominal massage (aromatherapy oils optional) following colon direction to increase intra-abdominal pressure and stimulate bowel sensation.
- Perform Enemas or Disimpaction (if needed): Consider enemas if natural interventions are ineffective to cleanse and stimulate bowel emptying.
Care Plan #3: Poor Diet Habits-Related Constipation
Diagnostic Statement:
Constipation related to poor diet habits as evidenced by straining to have bowel movements and less than three stools a week.
Expected Outcomes:
- Patient will maintain passage of soft, formed stool without straining.
- Patient will identify measures to prevent or treat constipation.
Assessment:
- Review Daily Diet: Assess for fiber deficiency and high intake of processed foods.
- Note Oral/Dental Health: Identify dental issues impacting fiber intake (soft food preference).
- Determine Fluid Intake: Assess for fluid deficits contributing to hard stools.
Interventions:
- Discuss Laxative and Enema Use: Educate that these are not substitutes for lifestyle changes (fiber, exercise).
- Identify Bowel Activity Stimulants: Determine individual stimulants (caffeine, walking, laxatives) and precipitating factors (opioids, immobility, surgery).
- Promote Lifestyle Changes:
- High-fiber diet: Fruits, vegetables, whole grains, fiber supplements if needed.
- Limit low-fiber/high-fat foods: Ice cream, cheese, meats, processed/fast food.
- Adequate fluid intake: Water, juices, smoothies, popsicles, warm drinks.
- Daily activity/exercise: Within individual limits.
- Do not ignore urge to defecate: Promote scheduled toileting, privacy.
- Encourage Sitz Baths: Sitz baths relax sphincters and cleanse/soothe rectal area.
These care plan examples demonstrate how nursing diagnoses guide individualized care, focusing on specific contributing factors and patient needs to achieve optimal bowel function and alleviate constipation.
VIII. References
- Ackley, B.J., Ladwig, G.B., Flynn Makic, M.B., Martinez-Kratz, M., & Zanotti, M. (2019). Nursing diagnosis handbook: An evidence-based guide to planning care (12th edition). Mosby.
- Basson, M. D. (2021, October 17). Constipation treatment & management: Approach considerations, dietary measures, pharmacologic therapy. Diseases & Conditions – Medscape Reference. Retrieved July 2023, from https://emedicine.medscape.com/article/184704-treatment#showall
- Carpenito, L.J. (2013). Nursing diagnosis: Application to clinical practice (14th ed.). Lippincott Williams & Wilkins.
- Diaz, S., Bittar, K., & Mendez, M. D. (2023, January 31). Constipation – StatPearls – NCBI bookshelf. National Center for Biotechnology Information. Retrieved July 2023, from https://www.ncbi.nlm.nih.gov/books/NBK513291/
- Doenges, M. E., Moorhouse, M. F., & Murr, A. C. (2019). Nurse’s pocket guide: Diagnoses, prioritized interventions and rationales (15th ed.). F. A. Davis Company.
- Cleveland Clinic (2019). Constipation. https://my.clevelandclinic.org/health/diseases/4059-constipation
- Gulanick, M. & Myers, J.L. (2014). Nursing care plans: Diagnoses, interventions, and outcomes (8th ed.). Elsevier.
- Herdman, T. H., Kamitsuru, S., & Lopes, C. (Eds.). (2024). NANDA-I International Nursing Diagnoses: Definitions and Classification, 2024-2026. Thieme. 10.1055/b000000928
- Mayo Clinic (2021). Constipation. https://www.mayoclinic.org/diseases-conditions/constipation/symptoms-causes/syc-20354253
- Mayo Clinic (2021). Nutrition and healthy eating. https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/high-fiber-foods/art-20050948
- Sizar, O., Genova, R.,& Gupta, M. (2022). Opioid-induced constipation. StatPearls. https://www.ncbi.nlm.nih.gov/books/NBK493184/
- Tazreean, R., Nelson, G., & Twomey, R. (2022). Early mobilization in enhanced recovery after surgery pathways: current evidence and recent advancements. Journal of comparative effectiveness research, 11(2), 121–129. https://doi.org/10.2217/cer-2021-0258