A home health nurse is planning to use nonpharmacological pain relief measures for a client who has severe chronic back pain. Which of the following pain management guidelines should the nurse use?

Discontinue opioids before trying nonpharmacological methods of pain relief.

Distraction changes the client's perception of pain, but it does not affect the cause.

Use imagery with clients who have difficulty with focus and concentration.

Pain relief from the use of heat and cold continues for several hours after removal of the stimulus.