Health Risks and Diseases of Smoking

Health Risks of Smoking Tobacco

Health Risks and Diseases of Smoking

Tobacco use remains the leading preventable cause of death in the US, accounting for about 1 in 5 deaths each year.

On average, people who smoke die about 10 years earlier than people who have never smoked.

Most people know smoking can cause cancer. But it can also cause a number of other diseases and can damage nearly every organ in the body, including the lungs, heart, blood vessels, reproductive organs, mouth, skin, eyes, and bones.

How smoking tobacco affects your cancer risk

Smoking causes about 20% of all cancers and about 30% of all cancer deaths in the United States.

About 80% of lung cancers, as well as about 80% of all lung cancer deaths, are due to smoking. Lung cancer is the leading cause of cancer death in both men and women.

Smoking also increases the risk for cancers of the:

It also raises the risk of acute myeloid leukemia.

Cigarettes, cigars, and pipes can all cause cancer. There is no safe form of tobacco smoke.

How smoking tobacco damages your lungs

Smoking damages the airways and small air sacs in your lungs. This damage starts soon after someone starts smoking, and lung function continues to worsen as long as the person smokes. Still, it may take years for the problem to become noticeable enough for lung disease to be diagnosed.

Smoke damage in the lungs can lead to serious long-term lung diseases such as chronic obstructive pulmonary disease (COPD). Smoking can also increase the risk of lung infections such as pneumonia and tuberculosis, and it can worsen some existing lung diseases, such as asthma.


COPD, which is one of the leading causes of death in the United States, includes both chronic bronchitis and emphysema (discussed below). Most people with COPD have both of these conditions, but the severity of each of them varies from person to person.

In COPD, damage to the small airways in the lungs makes it hard for the lungs to get oxygen to the rest of the body.

Smoking is by far the most common cause of COPD. The risk goes up the more you smoke and the longer you smoke.

Some of the early signs and symptoms of COPD can include noises in the chest (such as wheezing, rattling, or whistling), shortness of breath when active, and coughing up mucus (phlegm). Over time, COPD can make it hard to breathe at rest as well, sometimes even when a person is getting oxygen through a mask or nasal tube.

COPD tends to get worse over time, especially if a person continues to smoke. There is no cure for COPD, although some medicines might help with symptoms.

Chronic bronchitis

Chronic bronchitis is a common problem in people who smoke for a long time. In this disease, the airways make too much mucus, forcing the person to try to cough it out.

The airways become inflamed (swollen), and the cough becomes chronic (long-lasting). The symptoms can get better at times, but the cough keeps coming back.

Over time, the airways can get blocked by scar tissue and mucus, which can lead to bad lung infections (pneumonia).

There’s no cure for chronic bronchitis, but quitting smoking can help keep symptoms under control and help keep the damage from getting worse.


In emphysema, the walls between the tiny air sacs in the lungs break down, which creates larger but fewer sacs. This lowers the amount of oxygen reaching the blood. Over time, these sacs can break down to the point where a person with emphysema might struggle to get enough air, even when at rest.

People with emphysema are at risk for many other problems linked to weak lung function, including pneumonia. In later stages of the disease, patients often need an oxygen mask or tube to help them breathe.

Emphysema cannot be cured, but it can be treated and slowed down if the person stops smoking.

Why do people who smoke have “smoker’s cough?”

Tobacco smoke has many chemicals and particles that can irritate the upper airways and the lungs. When a person inhales these substances, the body tries to get rid of them by making mucus and causing a cough.

The early morning cough common among people who smoke happens for many reasons. Normally, tiny hair- structures (called cilia) in the airways help sweep harmful material the lungs.

But tobacco smoke slows this sweeping action, so some of the mucus and particles in the smoke stay in the lungs and airways. While the person sleeps (and doesn’t smoke), some cilia recover and start working again.

After waking up, the person coughs because the lungs are trying to clear away the irritants and mucus that built up from the day before.

So-called “smoker’s cough” can be an early sign of COPD.

How smoking tobacco affects your heart and blood vessels

Smoking tobacco damages your heart and blood vessels (cardiovascular system), increasing your risk of heart disease and stroke.

Smoking is a major cause of coronary heart disease (CHD), in which the arteries of the heart can’t supply the heart muscle with enough oxygen-rich blood. CHD is the main cause of heart attacks, and it’s the leading cause of death in the United States.

Smoking causes high blood pressure, lowers your ability to exercise, and makes your blood more ly to clot. It also lowers HDL (good) cholesterol levels in the blood. All of these are risk factors for heart attacks and strokes.

Smoking is a major risk factor for peripheral arterial disease (PAD). In PAD, plaque builds up in the arteries that carry blood to the head, organs, and limbs. This increases your risk of heart disease, heart attack, and stroke.

Smoking increases the risk of having an aortic aneurysm. This is a balloon- bulge in the aorta, the main artery carrying blood from the heart to other organs. It is caused by a weakening of the wall of the aorta. Aortic aneurysms can grow larger over time, and they can be life threatening if they rupture (break open).

Smoking can cause or worsen poor blood flow to the arms and legs, which is called peripheral vascular disease or (PVD). This can lead to pain in the legs when walking, and may lead to open sores that don’t heal.

Because smoking affects blood flow, it can lower the body’s ability to heal from cuts. This is why many doctors won’t do certain operations on patients unless they stop smoking.


Tobacco use can damage a woman’s reproductive health. For example, women who smoke are more ly to have trouble getting pregnant.

Smoking while pregnant can also lead to health problems that can affect both mother and baby. Women who smoke while pregnant have a higher risk of:

  • An ectopic pregnancy (where the embryo implants outside the uterus), which can threaten the mother’s life
  • Problems with the placenta, which is the organ that connects the mother to fetus. The placenta might be in the wrong spot (placenta previa), or it might separate from the uterus too early (placental abruption). These problems might lead to serious bleeding, early delivery (premature birth), or other problems with the delivery, some of which might require an emergency Caesarean section (C-section).
  • Premature births and low birth-weight babies
  • Miscarriages and stillbirths
  • Having a child with a cleft lip, cleft palate, and possibly other birth defects

Babies of mothers who smoke during and after pregnancy are also more ly to die from sudden infant death syndrome (SIDS).


Smoking can damage blood vessels anywhere in the body. Blood flow in the penis is a key part of male erections. Men who smoke have a higher risk of erectile dysfunction. This risk increases the more they smoke and the longer they smoke.

Smoking can also affect sperm, which can reduce fertility and increase the risk for miscarriages and birth defects.

Other ways smoking tobacco affects your health

Smoking can affect a person’s health in many other ways as well, harming nearly every organ in the body. Here are a few examples of other ways smoking tobacco can affect your health:

  • Increased risk of gum disease and tooth loss
  • Lowered immune system function
  • Increased risk of type 2 diabetes
  • Decreased sense of smell and taste
  • Premature aging of the skin
  • Bad breath and stained teeth
  • Lower bone density (thinner bones), which means a higher risk for broken bones, including hip fracture
  • Higher risk of rheumatoid arthritis
  • Increased risk for cataracts (clouding of the lenses of the eyes)
  • Increased risk for age-related macular degeneration, which can lead to blindness
  • Wounds taking longer to heal

Many of the health problems linked to smoking can lower a person’s quality of life. Smoking-related illness can make it harder for a person to breathe, get around, work, or play. Quitting smoking, especially at younger ages, can reduce smoking-related disability.

How smoking tobacco can affect children and teens

Cigarette smoking and the use of tobacco products can cause health problems in children and teens. Over time, these can include the serious health problems discussed above, which might start at even younger ages.

One of the most serious problems is nicotine addiction, which often leads to long-term tobacco use as kids get older. There is also some evidence that nicotine harms the brain development of teenagers. It is important to know that most e-cigarettes and similar products also contain nicotine.

Children and teens who smoke regularly tend to have more health problems than kids who don’t, such as:

  • Coughing spells
  • Shortness of breath, even when not exercising
  • Wheezing or gasping
  • More frequent headaches
  • Increased phlegm (mucus)
  • Respiratory illnesses that are worse and happen more often
  • Worse cold and flu symptoms
  • Reduced physical fitness
  • Poor lung growth and function, which increases the risk of COPD later in life

Tobacco use is linked to other harmful behaviors in teens

Research has shown that teen tobacco users are more ly to use alcohol and illegal drugs than are non-users.

Teens who smoke are also more ly to get into fights, carry weapons, attempt suicide, suffer from mental health problems such as depression, and engage in high-risk sexual behaviors.

This doesn’t necessarily mean that tobacco use caused these behaviors, but they’re more common in teens who use tobacco.

In addition, using e-cigarettes (also known as vaping) might play a part in a kid or teenager wanting to experiment with other tobacco products. To learn more about e-cigarettes, see What Do We Know About E-cigarettes?


Smoking: Effects, Risks, Addiction, Quitting, Treatment

Health Risks and Diseases of Smoking

Tobacco has been around for centuries, but what we know about the health damage from smoking is much newer. For example, smokers tend to die more than 10 years earlier than people who don’t smoke.

You can improve your health by choosing to quit smoking. How smoking affects the heart animation.

Since at least the 1950s, health experts have linked smoking to lung cancer.

Research continues to pinpoint more ways tobacco harms your health, from cancers to chronic (long-term) diseases.

Experts estimate that 16 million Americans live with a disease caused by smoking. Every year, roughly 480,000 people die from smoking-related diseases. That means that for every person who dies from smoking, at least 30 others live with a serious smoking-related illness.

Are other forms of tobacco safer?

Many people believe that smoking a cigar is safer than smoking a cigarette. But, cigar smokers face many of the same potential risks as cigarette smokers, including cancer. Chewing tobacco or smokeless tobacco products are not safer than cigarettes, either. Smokeless tobacco contains almost 30 cancer-causing chemicals.

E-cigarettes (vapes), an emerging form of nicotine delivery, differ from traditional tobacco products. Vaping delivers more concentrated nicotine than cigarettes in a smokeless inhaled mist (vapor). Health risks from vape products range from asthma to chronic obstructive pulmonary disease and cancer.

How does smoking affect your body?

Tobacco use harms every organ in your body. Smoking tobacco introduces not only nicotine but also more than 5,000 chemicals, including numerous carcinogens (cancer-causing chemicals), into your lungs, blood and organs.

The damage caused by smoking can shorten your lifespan significantly. In fact, smoking is the number one cause of preventable death in the United States.

Pregnant women who smoke put their unborn babies at risk, too. Possible effects on pregnancy include:

  • Ectopic pregnancy, a life-threatening condition when the embryo implants outside the uterus.
  • Miscarriages.
  • Stillbirths.
  • Birth defects, such as cleft palate.
  • Low birth weight.

How does chewing tobacco affect your health?

Smokeless tobacco can cause nicotine addiction. People who use chewing tobacco may develop cancers of the mouth, esophagus and pancreas. And chewing tobacco causes gum disease, tooth decay and tooth loss.

Is vaping safer than smoking a cigarette?

The safety and dangers of e-cigarettes remain unclear. Many e-cigarettes contain high amounts of nicotine. And vaping may be a gateway into other forms of nicotine, cigarettes or chewing tobacco.

E-cigarette vapors contain other damaging substances, too. Inhaling these non-nicotine vape ingredients may cause severe, sometimes deadly lung damage (called EVALI).

How are health problems from tobacco diagnosed?

Diagnosis depends on your specific symptoms. For example, a smokeless tobacco user who develops stomach cancer from swallowing juice with nicotine in it will need different tests than a person who inhales smoke.

If you smoke, your healthcare provider will ask for details about your tobacco use, physically examine you and sometimes order tests ( an X-ray to check for organ damage or an electrocardiogram and other heart-related tests).

What other conditions may be caused or worsened by tobacco?

In addition to its known cancer risks, smoking causes many other chronic (long-term) health problems that need ongoing care. Specific smoking-related problems that need treatment include:

  • Decreased HDL (good) cholesterol and increased blood pressure (increasing risks for heart attack and stroke).
  • Erectile dysfunction.
  • Lower oxygen to the heart and other tissues in the body (increasing risks for coronary artery disease, peripheral artery disease, and diabetes).
  • More frequent routine illnesses colds, especially in children living with smokers.
  • Poorer lung function (ability to get enough oxygen) leading to COPD, asthma, bronchitis, or emphysema.

How can a disease caused by smoking be treated?

Most diseases caused by smoking can be managed by a healthcare provider. You might need:

  • A cardiologist (heart doctor) to treat any damage to your heart.
  • A lung specialist to treat breathing problems, COPD.
  • An oncology team to treat any cancers you may develop.

How can I avoid getting sick from smoking?

The best way to avoid getting sick from smoking is to never start. If you do smoke, quitting as soon as possible can prevent or reverse health problems. Without smoking, you can:

  • Live longer.
  • Reduce your risk of cardiovascular disease.
  • Reduce your risk of developing a variety of other conditions.
  • Feel healthier and have more energy.
  • Look and feel better.
  • Improve your sense of taste and smell.
  • Save money.

How can I quit smoking?

There are many different ways to quit smoking. To succeed, you have to find a smoking cessation plan that works for your personality. You need to be ready emotionally and mentally. You should want to quit smoking for yourself and not just for family or friends exposed to your secondhand smoke.

When you decide to quit, these pointers can help:

  • Get rid of all cigarettes and anything related to smoking, lighters and ashtrays.
  • Live with another smoker? Ask them not to smoke near you or convince them to quit with you.
  • When the cravings hit, don’t focus on them. Cravings are temporary, so focus on why you want to quit instead.
  • Keep yourself busy and find things to do with your hands — doodling or playing with a pencil or straw. Change any activities connected to smoking, too. Take a walk or read a book instead of taking a cigarette break.
  • When you get the urge to smoke, take a deep breath. Hold it for ten seconds and release it slowly. Repeat this several times until the urge to smoke is gone. You can also try meditation to reduce baseline stress levels.
  • Avoid places, people and situations you associate with smoking. Hang out with nonsmokers or go places that don't allow smoking ( movies, museums, shops or libraries).
  • Don't substitute food or sugar-based products for cigarettes. These can cause weight gain. Instead, choose low-calorie, healthy foods. Try carrot or celery sticks, sugar-free hard candies or gum.
  • Drink plenty of fluids, but limit alcoholic and caffeinated beverages. They can trigger urges to smoke.
  • Remind yourself that you are a nonsmoker, and you don't smoke.
  • Don’t forget to exercise, because it has health benefits and help you relax.

If I have been smoking for a while, is it too late to quit?

Smoking cessation, at any age, will improve your health. Years of smoking damage can reverse with time.

When you quit, benefits happen almost immediately:

  • After 20 minutes, your blood pressure and heart rate drop, and the temperature of your hands and feet increases. Plus, you stop polluting the air.
  • After eight hours, your blood will contain lower levels of carbon monoxide and higher levels of oxygen.
  • After 24 hours, your heart attack risk decreases.
  • After 48 hours, your nerve endings adjust to the absence of nicotine, and you begin to regain your ability to taste and smell.
  • After two weeks to three months, your circulation improves, and you can tolerate more exercise.
  • After one to nine months, your overall energy level increases, and you cough less. Plus, sinus congestion, fatigue and shortness of breath decrease.
  • After one year, your risk of heart disease cuts in half compared to a current smoker.
  • After five to 15 years, your risk of stroke lowers to that of people who never smoked.
  • After 10 years, your risk of dying from lung cancer drops to almost the same rate as a lifelong nonsmoker. Plus, you decrease the risk of other cancers.
  • After 15 years, your risk of heart disease finally reaches that of people who never smoked.

What help is there to quit smoking?

When you’re ready to quit smoking, you have a lot of supportive resources to choose from. Medical clinics, local pharmacies and support groups Nicotine Anonymous are ready to help you quit. Apps and websites offer encouragement and accountability when you try to quit.

A note from Cleveland Clinic

Choosing to quit smoking is a huge step toward living a healthy life. Though it may feel insurmountable, it’s not. Quitting is the right thing to do for your health.

Last reviewed by a Cleveland Clinic medical professional on 10/28/2020.



Health Effects of Tobacco Use

Health Risks and Diseases of Smoking

Tobacco has serious effects on the health of users. In fact, tobacco use remains the leading preventable cause of disease and death in the United States,1 leading to more than 480,000 deaths each year.

Different tobacco products, however, pose varying levels of health risk to users. Combustible products that burn tobacco, a cigarette, are the most harmful to a user’s health, while noncombustible products, such as e-cigarettes, may be less harmful. However, no tobacco product is considered safe. 

Health Effects of Smoking 

Cigarettes are responsible for the vast majority of all tobacco-related disease and death in the U.S. Smokers are exposed to a toxic mix of over 7,000 chemicals when they inhale cigarette smoke,2 the consequences of which can threaten their health in many ways. 

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If you or a loved one are among the 34 million U.S. adults who smoke cigarettes in this country9 and want to quit, there are resources to help you on your journey to living a smoke-free life.

COVID-19 and Smoking

Am I at risk for serious complications from COVID-19 if I smoke cigarettes?

Yes. Data shows that when compared to never smokers, cigarette smoking increases the risk of more severe illness from COVID-19, which could result in hospitalization, the need for intensive care, or even death. Smoking cigarettes can cause inflammation and cell damage throughout the body, and can weaken your immune system, making it less able to fight off disease.

There’s never been a better time to quit smoking. If you need resources to help you quit smoking, the FDA’s Every Try Counts campaign has supportive tips and tools to help you get closer to quitting for good.

If I vape tobacco or nicotine am I at risk for complications from COVID-19?

E-cigarette use can expose the lungs to toxic chemicals, but whether those exposures increase the risk of COVID-19 or the severity of COVID-19 outcomes is not known. However, many e-cigarette users are current or former smokers, and cigarette smoking increases the risk of respiratory infections, including pneumonia.


  1. U.S. Department of Health and Human Services. The Health Consequences of Smoking—50 Years of Progress. A Report of the Surgeon General. Atlanta, GA: US Dept of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health; 2014.
  2. U.S. Department of Health and Human Services (USDHHS). A Report of the Surgeon General: How Tobacco Smoke Causes Disease: What It Means to You (Consumer Booklet). Atlanta, GA: U.S.

    Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health; 2010.

  3. U.S. Department of Health and Human Services. Smoking and Cardiovascular Disease (Fact Sheet).

    Atlanta, GA: US Dept of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health; 2014.

  4. U.S. Department of Health and Human Services. Smoking and Cancer (Fact Sheet).

    Atlanta, GA: US Dept of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health; 2014.

  5. U.S. Department of Health and Human Services. National Diabetes Statistics Report.

    Atlanta, GA: US Dept of Health and Human Services, Centers for Disease Control and Prevention; 2020.

  6. U.S. Department of Health and Human Services. Smoking and Diabetes (Fact Sheet).

    Atlanta, GA: US Dept of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health; 2014.

  7. U.S. Department of Health and Human Services. Smoking and Respiratory Diseases (Fact Sheet).

    Atlanta, GA: US Dept of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health; 2014.

  8. Smoking during pregnancy. Centers for Disease Control and Prevention website. Updated January 8, 2014. Accessed April 17, 2015.
  9. Cornelius ME, Wang TW, Jamal A, Loretan CG, Neff LJ. Tobacco Product Use Among Adults — United States, 2019. MMWR Morb Mortal Wkly Rep 2020;69:1736–1742.


Smoking and Respiratory Diseases

Health Risks and Diseases of Smoking

Lung and Respiratory System

According to the Centers for Disease Control and Prevention (CDC), diseases caused by smoking kill more than 480,000 people in the U.S. each year.

In fact, smoking is directly responsible for almost 90% of lung cancer and COPD deaths. Even with antismoking campaigns and health warnings, many people continue to smoke or start to smoke every year.

About 8% of kids under age 18 are current tobacco users.

What are the risks linked to smoking?

Smokers increase their risk of lung disease, including lung cancer. But they also increase their risk of other illnesses such as heart disease, stroke, and mouth (oral) cancer. Risks from smoking, as they relate to lung disease, include the following:

Chronic obstructive pulmonary disease (COPD). This includes:

  • Chronic bronchitis. This is a long-term (chronic) inflammation of the large airways (bronchi). Symptoms include coughing mucus over a long period.

  • Emphysema. This chronic lung condition affects the air sacs (alveoli) in the lungs. Symptoms include shortness of breath, coughing, fatigue, sleep and heart problems, weight loss, and depression.

Lung cancer. This is an abnormal growth of cells that can result in lumps, masses, or tumors. It may start in the lining of the bronchi, or other areas of the respiratory system. Smoking, including secondhand smoke, is the leading cause of lung cancer. Symptoms of lung cancer include:

  • Cough

  • Chest pain

  • Shortness of breath

  • Wheezing

  • Recurring lung infections

  • Bloody or rust-colored sputum

  • Hoarseness

  • Swelling of the neck and face

  • Pain and weakness in the shoulders, arms, or hands

  • Unexplained fever

Other cancers. Smoking increases the risk of lung and oral cancer. But it also increases the risk of other respiratory system cancers. These include cancer of the nose, sinuses, voice box, and throat. Smoking also increases the risk of many other cancers of GI (gastrointestinal), urinary, and female reproductive systems.

The symptoms of smoking-related lung diseases may look other lung conditions or health problems. If you have any symptoms of lung disease, see your healthcare provider as soon as possible.

How dangerous is secondhand smoke?

Secondhand smoke is smoke that is exhaled by smokers and smoke emitted from the burning end of a lit cigarette, cigar, or pipe. It causes more than 7,000 lung cancer deaths each year in people who don’t smoke. It can also lead to lung conditions and heart disease. Symptoms linked to secondhand smoke exposure may include:

  • Eye, nose, and throat irritation

  • Coughing

  • Too much mucus in the airways

  • Chest discomfort or pain

Children and infants exposed to tobacco smoke are more ly to experience ear infections, and asthma. They are also at a higher risk for sudden infant death syndrome (SIDS) than children and infants not exposed to secondhand smoke.

What are the benefits of quitting smoking?

People who quit smoking can actually reverse some of the lung damage. Other benefits of quitting smoking may include the following:

  • Decreased risk for lung disease

  • Decreased risk for heart disease

  • Decreased risk for cancer

  • Reduced cigarette stains on fingers and teeth

  • Reduced occurrence of cough

  • Elimination of stale cigarettes smell on clothing and hair

  • Improved smell and taste

  • Saving money by not buying cigarettes

How does cigar smoking affect a person's risk of lung cancer and other types of cancer?

Cigars actually pose the same, if not greater, risk as cigarettes for oral cancer. Although many cigar smokers do not inhale, their risk for oral, throat, and esophageal cancers is the same as for cigarette smokers. Consider these facts from the CDC:

  • Compared with nonsmokers, cigar smokers who inhale are more ly to develop oral cancer, esophageal cancer, and laryngeal cancer.

  • Cigar smokers who inhale and smoke 5cigars a day may have a lung cancer risk similar to one-pack-a-day cigarette smokers.

  • Secondhand smoke from cigars contains toxins and cancer-causing agents (carcinogens) similar to secondhand cigarette smoke, but in higher concentrations.

How do people stop smoking? 

Quitting smoking is very difficult. The following tips can help you quit using tobacco products:

  • Think about why you want to quit. Make a list of the reasons.

  • Set a quit date.

  • Try to pick a time when you have as little stress as possible. 

  • Ask for support and encouragement from family, friends, and coworkers.

  • If you don't already exercise, start to increase your physical activity to improve your health.

  • Try to get enough sleep each night and eat healthy. Along with exercise, healthy sleeping and eating habits will help you cope with quitting.

  • Join a smoking cessation program or support group. These programs are available in most communities. There are also programs available by phone and online:

    • Try the website.

    • Try your state's quitline. Call 800-QUIT-NOW (800-784-8669).

Medicines to help you stop smoking

There are both prescription and over-the-counter medicines that can help you stop smoking. Talk with your healthcare provider about these medicines and whether or not any of them are right for you.

Over-the-counter medicines:

  • Nicotine patch. Nicotine is delivered through the skin.

  • Nicotine gum. Gum delivers nicotine quickly.

  • Nicotine lozenge. Lozenges are hard candy.

Prescription medicines:

  • Nicotine nasal spray. Nicotine is also delivered quickly.

  • Nicotine inhaler. Using an inhaler is smoking cigarettes.

  • Antidepressant medicine (bupropion). It helps to lessen cravings for nicotine.

  • Varenicline tartrate. It helps to lessen the discomfort of quitting. It also lessens the pleasure you get from smoking.


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