Smoking and PAD: Building a Quit Plan With Your Care Team

Of everything on this site, stopping smoking is the intervention with the largest effect on peripheral artery disease. That is worth saying plainly — and it is also worth saying that telling someone to stop has never once been the thing that helped.

What it changes in PAD specifically

• Progression slows. Continuing to smoke is associated with faster worsening of arterial disease in the legs.
• Procedures work better. Bypass grafts and stents stay open longer in people who have stopped.
• Wounds heal better. Tissue healing depends on oxygen delivery, which is exactly what smoking impairs.
• Limb outcomes improve. The risk of the disease progressing to a threatened limb falls.
• Heart attack and stroke risk falls — which, in PAD, is the thing most likely to determine how long you live.

It is not a small adjustment at the margins. Among everything in the PAD treatment plan, this is the one with the biggest effect, and unlike most of the others it is not something a clinician can do for you — which is precisely what makes it hard.

What actually raises the odds

The evidence is consistent on one point: combining medication with behavioral support works substantially better than either alone, and both work better than willpower on its own.

1. Talk to your clinician about medication. Nicotine replacement — patches plus a fast-acting form such as gum, lozenge or spray — and prescription options each have evidence behind them. Which suits you depends on your other conditions and on what you have tried before.
2. Add behavioral support. A quitline, a structured program, an app, or repeated brief counselling. The support is what handles the situations that undo attempts.
3. Pick a date, and prepare for it rather than relying on a spontaneous decision.
4. Plan for the specific triggers you know about: the first coffee, the drive, after meals, stress, other smokers. Vague intentions fail at predictable moments.
5. Expect a relapse and plan the response. Most people make several attempts. A cigarette after three weeks is a data point about a trigger, not a verdict on the attempt.
6. Tell the team. Your clinicians can adjust medication and follow up, and none of them are keeping score.

Free support in the United States

• 1-800-QUIT-NOW (1-800-784-8669) connects you to your state quitline. Free coaching, and in many states free nicotine replacement.
• smokefree.gov — free plans, text programs and apps from the National Cancer Institute.
• American Lung Association — programs and support resources.
• Many health plans cover cessation medication and counselling; worth asking what yours includes.

If you are not ready

That is a common place to be, and it is not a reason to stop reading the rest of this site or to avoid the appointment. The other parts of PAD treatment — the medicines, the structured walking, the foot care — still work, and they still matter. Cutting down is not the same as stopping in terms of risk, but staying in contact with a clinician who will raise it again without making it unpleasant is genuinely more useful than disappearing.

Common questions

Is it too late if I already have PAD?

No. The benefits — slower progression, better healing, better procedure outcomes, lower cardiovascular risk — apply to people who already have the diagnosis. This is the point at which stopping does the most good, not the point at which it stops mattering.

What about vaping?

It is an area where evidence and guidance are still developing, and positions differ between countries and organizations. It is a genuine conversation to have with your clinician rather than something to settle from a web page — including what is known about its effects on blood vessels.

Will cutting down help?

Reduction has much smaller benefits than stopping, and many people who cut down compensate by smoking each cigarette more intensely. It can be a useful step toward stopping, particularly alongside nicotine replacement — but it is a step rather than a destination.

I have tried before and failed. Why would this time be different?

Most successful quits follow several unsuccessful ones — previous attempts are part of the normal path, not evidence against you. What usually differs is the method: medication plus support rather than willpower alone. If previous attempts were unassisted, that is a real reason to expect a different result.

Written by Tom Biernacki, DPM, FACFAS. Published 20 September 2026. General education, not medical advice. Medication choices belong with your prescriber.