Fatigue & Lethargy Nursing Care Plan
Persistent exhaustion not relieved by rest; care balances energy conservation with activity and treats reversible causes.
Quick answer
A Fatigue & Lethargy nursing care plan centers on quantify fatigue severity and its impact on daily function; identify and treat reversible physiologic contributors; balance activity with planned rest rather than enforcing inactivity. Priority nursing diagnoses are Fatigue, Activity intolerance, Ineffective coping. The plan below gives assessment cues, measurable goals, 3 intervention sets with rationales, and patient teaching.
Overview
Fatigue is an overwhelming, sustained sense of exhaustion and decreased capacity for physical and mental work that is not relieved by rest. It differs from ordinary tiredness in both intensity and persistence, and it is one of the most common and most under-treated symptoms in chronic illness.
Fatigue is usually multifactorial: anemia, hypothyroidism, heart failure, cancer and its treatment, infection, sleep disorders, depression, pain, deconditioning and medication side effects can all contribute at once. Because it is subjective, it must be measured by patient report rather than by observation alone.
Nursing care combines treating reversible causes with energy-conservation teaching, structured light activity, sleep optimization and emotional support, since unaddressed fatigue quickly erodes work, relationships and self-worth.
Key numbers to know
Measurement
Use a 0–10 fatigue scale at consistent times to trend severity and treatment response.
Common reversible causes
Anemia, hypothyroidism, dehydration, infection, uncontrolled pain, depression, sleep apnea and sedating medications.
Exercise paradox
Graded low-intensity activity reduces chronic fatigue more effectively than rest in most conditions.
Four P's
Pacing, planning, prioritizing and positioning are the core of energy conservation.
Nursing priorities
- Quantify fatigue severity and its impact on daily function.
- Identify and treat reversible physiologic contributors.
- Balance activity with planned rest rather than enforcing inactivity.
- Improve sleep quality and nutrition.
- Screen for depression and anxiety.
- Teach energy-conservation strategies the patient can use at home.
Nursing assessment
Subjective data
- Reports of constant tiredness unrelieved by sleep
- Statements about inability to complete usual roles or work
- Complaints of poor concentration or memory ('brain fog')
- Reports of low motivation, irritability or sadness
- Descriptions of which activities trigger the worst exhaustion
Objective data
- Decreased performance in ADLs or observed need for frequent rest
- Lethargic appearance, slowed speech or movement
- Abnormal labs: low hemoglobin, abnormal TSH, electrolyte or glucose derangement
- Weight loss or poor dietary intake
- Reduced grip strength or endurance on functional testing
Related factors
- Anemia, hypoxia or poor tissue oxygen delivery
- Chronic disease such as cancer, heart failure, renal failure or autoimmune illness
- Chemotherapy, radiation, beta blockers, opioids or antihistamines
- Sleep disruption, pain, or untreated depression
- Malnutrition, dehydration or deconditioning
Key nursing diagnoses
Goals and expected outcomes
- The client will report a measurable decrease in fatigue score.
- The client will identify and use at least three energy-conservation techniques.
- The client will complete priority daily activities without exhaustion.
- The client will report improved sleep quality.
Nursing interventions and rationales
Assess and treat causes
- Track fatigue with a numeric scale and a simple activity diary.
- Review labs for anemia, thyroid dysfunction, electrolytes and infection markers.
- Review the medication list for sedating agents and discuss timing or substitution with the prescriber.
- Screen for depression, sleep apnea and uncontrolled pain.
Energy conservation
- Teach the four P's: pace tasks, plan the day around peak energy, prioritize what matters, and position/sit to work.
- Cluster nursing care to allow uninterrupted rest blocks.
- Suggest assistive devices, shower chairs and pre-prepared meals to cut effort.
- Encourage delegation of low-value tasks.
Restore activity and sleep
- Begin short, low-intensity walking or seated exercise and increase duration before intensity.
- Limit daytime naps to 20–30 minutes and avoid late-afternoon sleep.
- Promote a consistent bedtime, dark quiet room and no screens or caffeine before sleep.
- Provide protein- and iron-rich meals with adequate fluids.
Patient and family teaching
- Explain that fatigue is a real symptom and can be measured and treated.
- Teach the four P's of energy conservation with household examples.
- Advise reporting new or worsening fatigue with dyspnea, chest pain or bleeding.
- Encourage nutrition, hydration and gradual activity rather than complete rest.
How to build this plan
- 1Assess the patient. Collect subjective and objective data through interview, physical assessment, labs and chart review. Complete, accurate data is the foundation of every later step.
- 2Analyze and cluster the data. Group related cues, compare them with normal findings, and identify patterns that point to actual or potential problems.
- 3Formulate nursing diagnoses. Write the problem statement using a recognized diagnostic label plus related factors and evidence (problem related to cause as evidenced by signs).
- 4Set priorities. Rank diagnoses as high, medium or low using ABCs, Maslow's hierarchy and the patient's own stated priorities. Life-threatening problems come first.
- 5Establish goals and outcomes. Write SMART, patient-centered outcomes: specific, measurable, attainable, realistic and time-bound (short-term and long-term).
- 6Select nursing interventions. Choose independent, dependent and collaborative actions that are safe, evidence-based and matched to the outcome.
- 7Provide rationales. State the scientific reason each intervention works. Rationales are what turn a task list into clinical reasoning.
- 8Evaluate the plan. Compare the patient's actual response with the expected outcome: met, partially met or not met — then continue, revise or discontinue.
- 9Document and communicate. Record the plan and the patient's response in the health record so the whole team works from the same information.
Summarized for study use. Always follow your school's or facility's approved care plan format and current clinical policy.
Practice Fatigue & Lethargy questions
These concepts are tested on the ATI proctored exams below — every set has answers and rationales.
More Basic Nursing & General Care Plans care plans
Plans that share these nursing diagnoses
Care plan writing guides
Common questions
What are the nursing diagnoses for Fatigue & Lethargy?
Priority nursing diagnoses for Fatigue & Lethargy: Fatigue; Activity intolerance; Ineffective coping.
What are the nursing interventions for Fatigue & Lethargy?
Track fatigue with a numeric scale and a simple activity diary. Review labs for anemia, thyroid dysfunction, electrolytes and infection markers. Review the medication list for sedating agents and discuss timing or substitution with the prescriber. Screen for depression, sleep apnea and uncontrolled pain. Teach the four P's: pace tasks, plan the day around peak energy, prioritize what matters, and position/sit to work. Cluster nursing care to allow uninterrupted rest blocks.
What are the nursing care goals for Fatigue & Lethargy?
The client will report a measurable decrease in fatigue score. The client will identify and use at least three energy-conservation techniques. The client will complete priority daily activities without exhaustion. The client will report improved sleep quality.
What should you assess in a patient with Fatigue & Lethargy?
Reports of constant tiredness unrelieved by sleep; Statements about inability to complete usual roles or work; Complaints of poor concentration or memory ('brain fog'); Reports of low motivation, irritability or sadness; Descriptions of which activities trigger the worst exhaustion; Decreased performance in ADLs or observed need for frequent rest; Lethargic appearance, slowed speech or movement; Abnormal labs: low hemoglobin, abnormal TSH, electrolyte or glucose derangement; Weight loss or poor dietary intake; Reduced grip strength or endurance on functional testing