Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.

The side effects listed below are not experienced by everyone who takes Nicorette (Nicotine). If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor.

The following side effects have been reported by at least 1% of people taking Nicorette (Nicotine). Many of these side effects can be managed, and some may go away on their own over time.

Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.

• bleeding gums
• burping
• cough
• Gingivitis (inflamed gums)
• hiccups
• headache
• increased salivation
• irritated or inflamed tongue
• lightheadedness
• jaw ache
• mouth or throat soreness
• nausea
• upset stomach
• unusual taste in your mouth

Although most of these side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

• chest pain
• fast or irregular heartbeat
• feelings of dependence on the medication or difficulty stopping the medication after your treatment is done
• Fever with or without chills
• runny nose
• shortness of breath, tightness in chest, difficulty breathing, or wheezing
• skin rash, itching, or Hives
• stomach upset that does not go away
• vomiting

Stop taking the medication and seek immediate medical attention if any of the following occur:

• symptoms of a serious allergic reaction (such as hives, difficulty breathing, or swelling of the face and throat)

Symptoms of overdose

• abdominal or stomach pain
• cold sweat
• confusion
• convulsions (seizures)
• disturbed hearing and vision
• drooling
• extreme exhaustion
• pale skin
• rapid heartbeat
• tremor

Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Nicorette (Nicotine).

2 mg
Each off-white square contains Nicorette (Nicotine) 2 mg. 

Nonmedicinal ingredients (fresh mint flavoured): acesulfame potassium, gum base, magnesium oxide, menthol, peppermint oil, sodium bicarbonate, and sodium carbonate. Sweetened with xylitol. Contains sodium.

Nonmedicinal ingredients (ice mint flavoured): acacia, acesulfame potassium, gum base, magnesium oxide, menthol, peppermint oil, sodium bicarbonate, sodium carbonate, titanium dioxide, and wax. Sweetened with xylitol. Contains sodium.

Nonmedicinal ingredients (fresh fruit flavoured): flavour, gum base, hypromellose, magnesium oxide, menthol, peppermint oil, polysorbate, sodium bicarbonate, sodium carbonate, sucralose, titanium dioxide, and wax. Sweetened with xylitol. Contains sodium.

Nonmedicinal ingredients (cinnamon flavoured): acacia, acesulfame potassium, black iron oxide, flavour, gum base, hypromellose, magnesium oxide, menthol, peppermint oil, polysorbate, sodium bicarbonate, sodium carbonate, sucralose, titanium dioxide, wax, xylitol.

Nonmedicinal ingredients (extreme chill flavoured): acesulfame potassium, corn starch, flavour, gum base, hypromellose, magnesium oxide, menthol, peppermint oil, polysorbate, sodium bicarbonate, sodium carbonate, sucralose, titanium dioxide, wax, xylitol.

4 mg
Each yellow square contains Nicorette (Nicotine) 4 mg. 

Nonmedicinal ingredients (fresh mint flavoured): acesulfame potassium, D&C Yellow No. 10, gum base, magnesium oxide, menthol, peppermint oil, and sodium carbonate. Sweetened with xylitol. Contains sodium.

Nonmedicinal ingredients (ice mint flavoured): acacia, acesulfame potassium, D&C Yellow No. 10, gum base, magnesium oxide, menthol, peppermint oil, sodium carbonate, titanium dioxide, and wax. Sweetened with xylitol. Contains sodium.

Nonmedicinal ingredients (fresh fruit flavoured): acacia, acesulfame potassium, D&C Yellow No. 10, flavour, gum base, magnesium oxide, menthol, peppermint oil, polysorbate, sodium carbonate, sucralose, titanium dioxide, and wax. Sweetened with xylitol.

Nonmedicinal ingredients (cinnamon flavoured): acacia, acesulfame potassium, black iron oxide, D&C Yellow No. 10 Aluminum Lake , flavour, gum base, hypromellose, magnesium oxide, menthol, peppermint oil, polysorbate, sodium bicarbonate, sodium carbonate, sucralose, titanium dioxide, wax, xylitol.

Nonmedicinal ingredients (extreme chill flavoured): acesulfame potassium, corn starch, flavour, gum base, hypromellose, magnesium oxide, menthol, peppermint oil, polysorbate, Quinoline Yellow E104 Aluminum Lake, sodium carbonate, sucralose, titanium dioxide, wax, xylitol.

Do not use Nicorette (Nicotine) gum if you:

• are allergic to Nicorette (Nicotine) or any ingredients of the medication
• are a non-smoker or an occasional smoker
• are pregnant or breast-feeding
• are under 18 years of age
• have a condition affecting the jaw, such as temporomandibular joint (TMJ) disease
• have just had a Heart Attack
• have life-threatening Arrhythmias (abnormal heart rhythm)
• have severe or worsening Angina (chest pain)

There may be an interaction between Nicorette (Nicotine) chewing gum and any of the following:

• Acetaminophen
• adenosine
• benzodiazepines (e.g., Oxazepam)
• caffeine
• Cimetidine
• Furosemide
• Imipramine
• insulin
• Labetalol
• phenylephrine
• Prazosin
• Propranolol
• Theophylline
• Varenicline

If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:

• stop taking one of the medications,
• change one of the medications to another,
• change how you are taking one or both of the medications, or
• leave everything as is.

An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.

Medications other than those listed above may interact with Nicorette (Nicotine). Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the Nicorette (Nicotine) from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.

Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Nicorette (Nicotine).

Medical conditions: If you have Thyroid conditions, Diabetes, stomach ulcers, heart disease, blood vessel disease, Kidney Disease, mouth or throat inflammation, or dental problems that might be made worse by chewing gum, discuss with your doctor how Nicorette (Nicotine) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Nicorette (Nicotine), and whether any special monitoring is needed.

Pregnancy: Nicorette (Nicotine) should not be used during pregnancy. If you become pregnant while taking Nicorette (Nicotine), contact your doctor immediately.

Breast-feeding: Nicorette (Nicotine) passes into breast milk. If you are a breast-feeding mother and are using Nicorette (Nicotine) gum, it may affect your baby. Do not breast-feed while you are using Nicorette (Nicotine).

Children and adolescents: The safety and effectiveness of Nicorette (Nicotine) have not been established for people under 18 years of age.

It is very important to keep Nicorette (Nicotine) out of the reach of children as their sensitivity to Nicorette (Nicotine) is much higher than that of adults.