Quitting tobacco

01

What this can—and cannot—do

Stopping combustible tobacco reduces cardiovascular, lung, cancer, pregnancy, and second-hand-smoke risks, with benefits beginning soon and building over time. Dependence is shaped by nicotine exposure, routines, stress, marketing, mental health, other substances, and access to treatment—not simply willpower.

Health-management choices work best when they have a defined purpose. Name the outcome you hope to improve, the time frame in which a change would be plausible, and the burdens or harms that would make the plan not worthwhile. Population guidance is a starting point, not a personalized prescription, and it should not delay diagnosis or replace treatment that prevents disability, hospitalization, or death.

Sources for this section: [1] [2]

02

What the evidence supports

Stopping combustible tobacco reduces cardiovascular, lung, cancer, pregnancy, and second-hand-smoke risk, with benefits beginning soon and accumulating over time. Dependence strength, first use after waking, prior attempts, mental health, other substances, household exposure, and the form of tobacco or nicotine help shape treatment. Vaping is not harmless, and dual use may preserve substantial exposure.

Sources for this section: [1] [2] [3]

03

Build a practical plan

Behavioral support can identify cues, plan alternatives, build social help, and prepare for withdrawal. Approved options vary by country and include nicotine replacement, varenicline, and bupropion; combining a nicotine patch with a short-acting form can help some adults. Selection considers pregnancy, seizure risk, kidney function, medicines, age, local labeling, availability, and preference.

Start with one repeatable action rather than a complete lifestyle rebuild. Attach it to an existing routine, decide the smallest version that still counts on a difficult day, and remove one predictable barrier in advance. Review the plan after two to four weeks: keep what is useful, simplify what is burdensome, and change only one major variable at a time so that benefits and problems are easier to interpret.

Sources for this section: [1] [2] [3]

04

Adapt it to your health and life

Assess the tobacco or nicotine product, amount, first use after waking, prior attempts, withdrawal, triggers, household exposure, and what support is available. Counseling can be brief, individual, group, telephone, or digital. Approved medicines vary by country and can include nicotine replacement, varenicline, and bupropion; selection depends on health, pregnancy, age, kidney function, seizure risk, interactions, access, and preference.

Sources for this section: [1] [2] [4]

05

Safety, interactions, and common traps

A quit date is one approach, but gradual reduction linked to a clear stop plan can also work. Remove supplies, plan for alcohol or social cues, expect temporary irritability and sleep or appetite changes, and arrange follow-up early. Seek urgent help for severe mood change or suicidal thinking. Unregulated supplements and laser or detox claims do not have the evidence of established cessation support.

Vaping is not harmless, and using cigarettes plus another nicotine product may preserve substantial exposure. Use regulated cessation medicines as directed rather than unregulated supplements. Seek urgent help for severe mood change, suicidal thinking, chest pain, major breathing difficulty, or a serious medicine reaction. Pregnancy and adolescence need tailored clinical guidance.

Sources for this section: [1] [3] [4]

06

Monitor what matters

Track tobacco-free days, slips without hiding them, withdrawal, cravings, medicine use, side effects, and the situations that were hardest. Arrange follow-up early, when withdrawal and cue-driven relapse are common. If a method is ineffective or unacceptable, adjust support or medication rather than concluding that treatment cannot work.

Choose a small set of outcomes linked to the goal: symptoms, function, sleep, adherence, side effects, or a clinician-ordered measurement. Record enough context to explain unusual days, but avoid turning normal variation into an emergency. A useful review asks whether the plan helped, whether it caused harm or excessive burden, whether the evidence still fits, and whether a different option would better match current priorities.

Sources for this section: [2] [3] [4]

07

Questions for a care team

Bring the goal, current routine, relevant diagnoses, medicines and supplements, prior attempts, and the practical limits of time, cost, access, or caregiving. These questions help turn general advice into a decision that can be revisited.

• What specific outcome is this plan intended to improve, and how will we know?
• Does a condition, medicine, pregnancy, disability, or recent procedure change what is safe?
• What warning signs mean I should stop, call routinely, seek urgent advice, or use emergency services?
• When should we review the plan, and what would make us choose another option?

Sources for this section: [1] [2] [3] [4]