Lidocaine Gel for Pressure Ulcer Pain Relief
Lidocaine gel can be used on buttock pressure ulcers for pain relief, particularly during debridement procedures, though it is not specifically addressed in major pressure ulcer treatment guidelines.
Evidence-Based Recommendation
The 2015 American College of Physicians (ACP) guidelines for pressure ulcer treatment 1 do not specifically recommend or address topical lidocaine for pain management in pressure ulcers. The guidelines focus on wound healing interventions (protein supplementation, hydrocolloid/foam dressings, and electrical stimulation) but notably omit pain management strategies.
However, research evidence from chronic wound studies supports the use of topical lidocaine for wound-related pain:
Supporting Evidence for Lidocaine Use
- Lidocaine-prilocaine cream (EMLA 5%) has demonstrated significant pain reduction in leg ulcer debridement, with median pain scores of 18.5 mm versus 84 mm for placebo (p<0.01) 2
- A 2022 observational study of 5% lidocaine cream showed significant pain reduction in various wound types including one pressure ulcer case, decreasing pain scores from 6.7 to 3.0 (p<0.0001) 3
- A 2020 systematic review concluded that lidocaine/prilocaine cream significantly improved wound-related pain compared to other topical agents 4
Clinical Application Algorithm
For procedural pain (debridement):
- Apply lidocaine-prilocaine cream (EMLA 5%) under occlusive dressing for 60 minutes before debridement 2
- Remove before procedure
- Expect plasma concentrations to remain well below toxic levels (max 0.8 μg/ml lidocaine, 0.08 μg/ml prilocaine) 2
For persistent wound pain:
- Consider 5% lidocaine cream applied directly to wound 3
- Monitor for 7 days; discontinue if no improvement 5
Critical Safety Considerations
FDA labeling warnings for topical lidocaine 5:
- Do NOT use on large areas, cut/irritated/swollen skin, or puncture wounds
- Avoid bandaging or applying local heat (heating pads) over the application site
- Discontinue if condition worsens, redness develops, or symptoms persist beyond 7 days
- Transient burning sensation may occur initially
Important Caveats
- Pressure ulcers on buttocks present unique challenges: The location involves sitting pressure, potential for maceration, and difficulty maintaining occlusive dressings
- Wound integrity matters: If the ulcer is open/weeping, lidocaine absorption may be increased, raising systemic toxicity concerns
- Alternative consideration: The ACP guidelines note that pain was evaluated as an outcome but no specific pain management interventions were recommended, suggesting this remains an under-studied area 1
Practical Approach
Given the absence of guideline-level evidence but supportive research data, lidocaine gel is reasonable for short-term pain relief in buttock pressure ulcers, particularly:
- During debridement procedures (strongest evidence)
- For breakthrough pain between dressing changes
- When systemic analgesics are contraindicated or insufficient
Monitor closely for:
- Skin irritation or allergic reactions (most common adverse effect)
- Signs of systemic toxicity if applied to large surface areas
- Lack of improvement after 7 days (requires reassessment)
The primary focus should remain on evidence-based healing interventions: protein supplementation, appropriate dressings (hydrocolloid/foam), and pressure redistribution 1.