Can the lidoderm patch cause diarrhea?

Not likely: There are no reports of this complication occurring with Lidoderm patches, but one can never say never.

Not commonly: The most common side effects with Lidoderm are redness, swelling, burning or discomfort at the application site. As well as hives or abnormal sensations. Some serious side effects may include seizures, irregular heartbeat, and hypersensitivity. Although diarrhea could be possible with almost any drug, it is not likely. Contact your primary care doctor if symptoms persist over 4-5 days.