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Study & NCLEX

Pain Management: 5 Things Nurses Need to Understand

Medically reviewed by Jonathan Kim, DO

Last reviewed Jun 11, 2026·Next review Jun 11, 2027

· 5 min read

Acknowledge the pain, sit the patient down, and listen. Five things to hold onto when you manage it:

1. Pain is often called the fifth vital sign, with caveats.

Vital signs are critical measurements of life function: they reflect overall condition, disease progression, and recovery. The fifth vital sign label spread in the 1990s to push clinicians to assess pain as routinely as blood pressure and respiratory rate. The Joint Commission has since clarified that it never endorsed pain as a formal vital sign, removed that language from its standards by 2004, and dropped the blanket requirement to assess pain in all patients in 2009 (The Fifth Vital Sign, Cleveland Clinic Journal of Medicine). Current guidance favors a balanced assessment that weighs function and risk, not a pain score automatically met with opioids (CDC). What still holds: every patient has the right to appropriate assessment and management of pain.

Pain is subjective and its validity rests mostly on the patient, but take it seriously. Collaborate on prescribed relief, advocate when it fails, and watch whether behaviors and manifestations match the complaint. Note when a patient denies pain you would expect and why (fear of opioid addiction, seeing pain as weakness).

2. Pain has detrimental effects on the body.

Pain does not go away without affecting the body. Acutely it hits five systems: cardiovascular, pulmonary, gastrointestinal, endocrine, and immune. The effects are worse in patients with existing disease, advanced age, or current injury. Metabolic rate and cardiac load climb. Cortisol rises in the blood and drives fluid retention. Severe pain can stop a patient from taking a full breath, and some refuse to move at all.

When pain lasts more than 6 months it is chronic, which brings prolonged immune suppression, fatigue, depression, and social isolation. Chronic pain (arthritic pain, for example) is a leading cause of disability.

3. Pain response is not just in the mind.

Treating pain as purely mental ignores the factors that shape it. Culture, age, expectations about relief, and gender all affect pain perception and tolerance. Telling a patient it is "all in the mind" misses this.

Beliefs and responses to pain vary across cultures, shaped early by what stimuli a person is taught to expect as painful and which reactions are acceptable. People from different cultures react differently to the same intensity, and their expectations of relief differ too. A positive treatment expectation increases effectiveness.

Age draws the most research, and the relationship between age and pain perception is still unclear. Experts agree that reduced pain perception in older adults comes from disease processes, not aging itself, so pain is not a normal part of aging. Confusion in elderly patients after surgery is usually unrelieved pain, not the medications.

Gender matters too. Women report more fear and frustration from pain; studies show men are more anxious about theirs.

4. Pain can provide clues to emotional and psychological health.

Watch verbal statements and behavior during assessment. Some pain is emotional or psychological in origin and shows up as headaches, muscle pain, or back pain, especially once physical causes are ruled out. Sometimes a patient needs someone to hear them out and help make sense of feelings that feel incomprehensible in the moment.

5. Nurses' perceptions of pain affect the nurse-patient relationship.

How you think pain should be handled shapes how you treat patients who report it. Stay aware of that so you do not pass judgment or impose your preferences. Acknowledging pain goes a long way, because it is real to the patient. Stay alert to faked pain as well, so appropriate referrals can be made.

Pain persists in millions of lives, with no reliable pattern, which makes it hard to approach. Every pain has a story. Sometimes you trace it to its origin; other times a patient wakes with pain that has no plans to leave. Work with the resources and the evidence you have.

Frequently Asked Questions

Is pain really the fifth vital sign? The phrase caught on in the 1990s to make pain assessment routine, but the Joint Commission has clarified it never adopted pain as a formal vital sign and removed the language by 2004. Assess pain seriously, and weigh function and safety rather than chasing a 0-to-10 score alone (Cleveland Clinic Journal of Medicine).

How common is chronic pain? The Institute of Medicine estimated that at least 116 million U.S. adults live with chronic pain, more than heart disease, cancer, and diabetes combined (Institute of Medicine).

When does acute pain become chronic? Pain lasting longer than about six months is considered chronic. It brings prolonged immune suppression, fatigue, depression, and social isolation, and it ranks among the leading causes of disability.

Is pain a normal part of aging? No. Reduced pain perception in older adults comes from disease processes, not aging itself. New confusion in an older patient after surgery is more often unrelieved pain than the pain medication.

Should opioids be the default for pain? No. The CDC recommends maximizing nonopioid and nonpharmacologic options first and using opioids only when expected benefits outweigh risks, at the lowest effective dose (CDC).

Can pain be purely psychological? Perception is shaped by culture, age, expectation, and gender, and some pain is emotional in origin, but telling a patient it is "all in the mind" is wrong and dismissive. Acknowledge it, because it is real to the patient.

Sources

Primary references for the figures and claims on this page. Verify any clinical value against the source before you act on it.