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|Generic Name||Brand Name|
|nicotine||Commit, Habitrol, Nicoderm CQ, Nicorette, Nicotrol|
Nicotine gum and lozenges release nicotine slowly into the mouth.
Nicotine patches stick to your skin and slowly release nicotine through the skin into your bloodstream.
The nicotine inhaler has a holder that contains nicotine. The inhaler delivers a puff of nicotine vapor into your mouth and throat.
You can buy nicotine gum, patches, and lozenges without a prescription. You do need a prescription to buy nicotine inhalers.
Note: Nonprescription nicotine replacement therapy products cannot be sold legally to people younger than age 18. A doctor may prescribe one of these products if a person younger than 18 is dependent on nicotine.
Nicotine replacement therapy (NRT) helps reduce nicotine withdrawal and craving by supplying your body with nicotine. It contains about one-third to one-half the amount of nicotine found in most cigarettes.
People become dependent on the nicotine in cigarettes because it increases the levels of certain chemicals, such as dopamine and norepinephrine, in their brains. When people quit smoking, the levels of those chemicals drop. Their bodies react by having nicotine withdrawal symptoms such as grouchiness and hunger.
Nicotine from medicines increases the levels of dopamine and norepinephrine just like nicotine from cigarettes does. Chemical levels in the brain are kept level so that withdrawal symptoms are reduced. This can temporarily replace the nicotine that a person got from smoking cigarettes. Nicotine replacement can be used in smaller and smaller amounts until a person no longer needs it.
When you inhale tobacco smoke, the nicotine in the smoke moves quickly from your lungs into your bloodstream. The nicotine in replacement products takes much longer to get into your system. This is why nicotine replacement medicines are much less likely to cause dependence on nicotine than are cigarettes and other tobacco products.
Nicotine replacement therapy is safe when used properly. Nicotine by itself is not nearly as harmful as smoking. Tars, carbon monoxide, and other toxic chemicals in tobacco cause harmful effects, not the nicotine.
Nicotine replacement therapy is useful for most people who are trying to quit smoking.
Nicotine replacement therapy may not be right for you if you are pregnant or have heart disease.
Doctors do not often recommend nicotine replacement therapy for people younger than 18, largely because the products have been tested only on adults. The side effects of nicotine replacement therapy for young people are not well known. If a teen smokes daily and has had withdrawal when trying to quit, sometimes a doctor will prescribe nicotine products.
Using some form of nicotine replacement therapy doubles your chances of quitting smoking.1 All forms of nicotine replacement products appear to be about equally effective when used properly.
Combining the use of the nicotine patch with another form of nicotine replacement therapy, such as the gum, increases your chances of success. Talk to your doctor before you combine NRTs.
Your chances of quitting are best when you combine nicotine replacement therapy with a complete smoking cessation program that includes setting a quit date, having a plan in place for dealing with smoking triggers, and getting support from a doctor, counselor, or support group.
Since all NRTs appear to work equally well, many smokers choose a treatment based on how easy it is to use and what possible side effects it may cause. All forms of nicotine replacement have side effects, but the types of side effects differ across NRTs. Very few people (less than 5%) have to stop using a nicotine replacement product because of side effects.
Stopping nicotine replacement therapy abruptly may cause some of the same withdrawal symptoms that occur when you stop smoking cigarettes. You are less likely to have withdrawal symptoms if you gradually decrease the dose or number of uses of the specific therapy each day.
It is possible for a person to become dependent on a nicotine replacement product, although this is rare.
Side effects of nicotine gum may include:
Side effects of nicotine lozenges may include:
Side effects of nicotine patches may include:
Side effects of nicotine inhalers may include:
The nicotine inhaler may not be a good choice if you have a breathing problem, such as asthma, allergies, or a sinus condition.
See Drug Reference for a full list of side effects. (Drug Reference is not available in all systems.)
If you slip or smoke a little, don't give up. Talk to someone who has quit smoking or to a counselor, to get ideas for what to do. If you are taking medicines or using nicotine replacement, keep doing so unless you go back to regular smoking. Using nicotine medicines and smoking rarely causes you to use too much nicotine. Symptoms of too much nicotine are headaches, nausea, confusion, and vomiting. If you think you have overdosed, call your doctor right away.
Regardless of the method you use to quit smoking, you may cough more or start coughing for the first week after you quit. This is not a symptom of withdrawal from nicotine. It is the result of your body trying to clear your lungs. This happens whether you use nicotine replacement therapy or not.
With nicotine gum, lozenges, and the inhaler, not taking enough each day is a common cause of relapse.
Avoid drinking beverages, especially acidic beverages (such as coffee, juices, and soda pop) for 15 minutes before and after you use these products. Your body may not absorb the nicotine well because of the acid in these drinks.
Choosing a form of nicotine replacement therapy is usually a matter of personal choice. If you smoke more than 20 cigarettes a day, or you smoke within 30 minutes of waking up in the morning, use the highest dose of a product, whether it is gum, lozenges, the patch, or a combination of NRT.
The U.S. Food and Drug Administration (FDA) says it's okay to start using a nicotine replacement product on your quit date, even if you aren't able to stop smoking right away.
If you find you cannot continue to use one form of nicotine replacement because of its side effects, stop using that form and try a different one. Remember, using nicotine replacement products doubles your chances of quitting smoking.1
Long-term use of nicotine gum has not been found to be harmful.
Nicotine replacement therapy will reduce most but not all of the nicotine withdrawal, craving, and other symptoms associated with quitting smoking.
By the time you finish nicotine replacement therapy, you will have greatly decreased your dependence on nicotine. You also will have started to get used to not smoking at the usual times. This will take longer for people who have smoked for many years. And it may mean using nicotine replacement products for several weeks or months. Stopping nicotine replacement therapy too early is a common cause of relapse. When you finally reduce your nicotine intake to zero, you still may have some symptoms of nicotine withdrawal. But these symptoms won't last. Using nicotine replacement products makes symptoms less severe.
Talk to your doctor before you use two forms of nicotine replacement (such as a nicotine patch and nicotine gum) at the same time.
Using bupropion and nicotine replacement products together may work well for some people who smoke. But it should be tried only under a doctor's care. Your doctor may recommend bupropion alone instead of using two medicines.
Nicotine nasal spray (Nicotrol) is a prescription medicine that delivers more nicotine but often causes side effects. It is not widely used.
Last Revised: August 15, 2013
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