Lung Cancer Home > Nicorette Gum Warnings and Precautions

Specific Precautions and Warnings With Nicorette Gum

Some warnings and precautions to be aware of prior to using this product include the following:
  • Nicorette Gum can stick to and potentially damage dentures and dental work, such as fillings and dental caps. It can also injure the mouth and teeth. Talk to your healthcare provider if you experience any teeth or mouth problems, or have concerns about these potential problems.
  • The excessive chewing needed to use Nicorette Gum may cause soreness and pain of the temporomandibular joint (TMJ) -- the joint where the lower jawbone connects to the skull. Talk to your healthcare provider if you experience jaw pain that is bothersome, severe, or does not go away.
  • Stop using Nicorette Gum and contact your healthcare provider if you experience any symptoms of nicotine overdose, including:
    • Nausea and vomiting
    • Dizziness
    • Weakness
    • A rapid heartbeat.
  • Because it contains nicotine, Nicorette Gum can increase your heart rate and blood pressure. Stop using it and contact your healthcare provider if you experience an increase in blood pressure or a fast, irregular, or forcefully beating heart.
  • High blood insulin levels and insulin resistance (when the body does not properly respond to insulin) have been reported in people who used Nicorette Gum for longer than 11 months. These insulin problems can cause a variety of other health problems, including type 2 diabetes
  • Nicotine, the active ingredient in Nicorette Gum, may delay healing of peptic ulcers (sores in the stomach or upper intestines). Talk to your healthcare provider before using this medication if you have peptic ulcer disease.
  • The amount of nicotine in Nicorette Gum is enough to poison a child. Store unused gum in areas that are safe from children. Wrap used gum in a piece of paper and discard it out of the reach of children.
  • Nicorette Gum is a pregnancy Category C medication, which means it may not be safe for use during pregnancy. Talk to your healthcare provider about the risks and benefits of using this product during pregnancy (see Nicorette Gum and Pregnancy).
  • Nicorette Gum passes through breast milk. Therefore, if you are breastfeeding or plan to start, discuss this with your healthcare provider prior to taking the drug (see Nicorette Gum and Breastfeeding).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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