Lidocaine (Topical Application Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

• Blurred vision
• Chest pain or discomfort
• Cold, clammy, or pale skin
• Confusion
• Cough
• Difficult or troubled breathing
• Difficulty with swallowing
• Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
• False or unusual sense of well-being
• Fast heartbeat
• Fear
• Hives or welts
• Irregular, fast or slow, or shallow breathing
• Itching
• Lightheadedness, dizziness, or fainting
• Mood or mental changes
• Nervousness
• No blood pressure or pulse
• Pale or blue lips, fingernails, or skin
• Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• Redness of the skin
• Seizures
• Shakiness in the legs, arms, hands, or feet
• Shortness of breath
• Skin rash
• Sleepiness
• Slow heart rate
• Slow or irregular heartbeat
• Stopping of heart
• Swelling
• Tightness in the chest
• Trembling or shaking of the hands or feet
• Twitching
• Unconsciousness
• Unusual tiredness or weakness
• Weakness
• Wheezing

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

• Cold or numbness
• Continuing ringing or buzzing or other unexplained noise in the ears
• Double vision
• Hearing loss
• Heat sensation

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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