What are the instructions for using xylocaine (lidocaine) 5% ointment?

Instructions for Using Xylocaine 5% Ointment

Apply Xylocaine 5% ointment to the affected area not more than 3 to 4 times daily, and wash hands with soap and water after application. 1

Application Guidelines

Proper Application Technique

• Apply a thin layer of ointment directly to the affected painful area
• Use only on intact skin (not on wounds, open sores, or irritated skin)
• Wash hands thoroughly with soap and water after application
• For adults and children over 12 years only; consult a doctor for children under 12 1

Timing and Duration

• Apply no more than 3-4 times daily 1
• Allow at least 4 hours between applications
• For optimal anesthetic effect, expect results within approximately 2-5 minutes after application 2
• Effects typically last 1-2 hours depending on the application site

Specific Uses and Considerations

For Neuropathic Pain

• Particularly effective for postherpetic neuralgia and other neuropathic pain conditions 3
• Can be used for dysesthesia (abnormal burning sensations) in vulvodynia or penile dysesthesia 3
• May be used as first-line treatment before considering systemic medications for localized neuropathic pain 3

For Mucosal Application

• When used on oral mucosa, a 2-minute application time is typically sufficient to produce adequate analgesia 2
• For palatal areas, may require up to 5 minutes for optimal effect 2

For Dermatological Procedures

• Can be applied 20-30 minutes before minor dermatological procedures
• Provides effective local anesthesia without the need for injections in many cases 4

Safety Precautions

Contraindications

• Do not use on broken or irritated skin
• Contraindicated in patients with advanced liver failure due to decreased lidocaine clearance 3
• Avoid use in patients with known hypersensitivity to amide-type local anesthetics

Potential Side Effects

• Most common: mild skin reactions such as redness or rash 3
• Rare but serious: signs of systemic absorption including dizziness, drowsiness, confusion, or seizures
• If any serious side effects occur, discontinue use and seek medical attention immediately

Special Populations

• Elderly patients may be more sensitive to effects and side effects
• Pregnant or breastfeeding women should consult a healthcare provider before use
• Children under 12 years should use only under medical supervision 1

Important Considerations

Dosage Limitations

• Do not exceed the recommended frequency of application (3-4 times daily) 1
• Avoid covering large areas of the body with the ointment to prevent systemic absorption
• Do not use with occlusive dressings unless specifically directed by a healthcare provider

Storage

• Store at room temperature away from heat and direct light
• Keep container tightly closed when not in use
• Keep out of reach of children

By following these guidelines, Xylocaine 5% ointment can provide effective local pain relief for various conditions while minimizing the risk of adverse effects.