A client with chronic lower back pain has been taking ibuprofen PO twice a day for several months. Which assessment is most important for the nurse to complete?

A. Determine presence of abdominal pain: Chronic use of ibuprofen, a nonsteroidal anti-inflammatory drug (NSAID), can lead to gastrointestinal issues such as ulcers or bleeding. Abdominal pain is a critical symptom that can indicate these serious side effects. Therefore, assessing for abdominal pain is the most important action to identify potential adverse effects related to prolonged NSAID use. B. Palpate volume of pedal pulses: While assessing pedal pulses is important for evaluating circulation and potential peripheral vascular issues, it is not the primary concern related to the long-term use of ibuprofen. This assessment does not directly address the potential gastrointestinal complications of NSAID use. C. Assess back pain using numeric scale: Although it is important to monitor the effectiveness of ibuprofen in managing back pain, this assessment does not address the potential side effects of prolonged use. Evaluating pain levels is useful for treatment efficacy but is secondary to monitoring for adverse effects. D. Evaluate ongoing sleep patterns: While sleep patterns can be affected by pain or medication, they are not the most immediate concern regarding the side effects of long-term ibuprofen use. The potential gastrointestinal issues related to NSAID use take precedence.