What are the side effects or adverse effects of nicorette gum?

Possible side effects of Nicorette Gum:

Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Abnormal dreams; diarrhea; difficulty sleeping; dry mouth; joint pain; muscle pain; nervousness; redness, itching, or burning at the application site; sweating; weakness.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); pounding in the chest.

This is not a complete list of all side effects that may occur.

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