Stopping all types of commercial tobacco (like cigarettes, cigars, or chewing tobacco) can help your treatment work better and may help you live longer. People who quit within 6 months of a cancer diagnosis can add about 2 (or more) years to their life. Even patients who don’t get any cancer treatment or have a late stage cancer can benefit from stopping. If you can’t quit right now, cutting back will still help.
Staying smoke-free after cancer treatment can lower your risk of the cancer coming back. It can also lower your risk of getting another type of cancer.
Smoking can lower the amount of some chemotherapy drugs in the body making them less effective.
Using commercial tobacco reduces your oxygen levels in the body. This can make radiation therapy less effective. Avoid smoking before and after radiation appointments.
Using commercial tobacco increases complications and slows wound healing. Stopping smoking at least 4 weeks before surgery is best, but stopping anytime before is helpful.
Trained health professionals will work with you to make a quit plan. They will coach you on how to cut down and manage your cravings and triggers.
Helps make nicotine withdrawal symptoms less intense. Can include nicotine replacement therapy (like patches, lozenges, and gum), cytisine, and other medicine that is prescribed by a healthcare provider (e.g. bupropion, varenicline).
Ask your cancer care team for a referral to one of these local programs that offer both personal and medical support. All programs are free for cancer centre patients.
Any form of commercial tobacco or vape
Ask your cancer team for a referral.
Medical Centre 2,
435 The Boardwalk, Suite 306,
Waterloo, Ontario
Users of any form of commercial tobacco.
Ask your cancer team for a referral.
Apothecare Pharmacy
439 Park St #1,
Kitchener, Ontario
Talk to your family doctor, pharmacist or nurse practitioner about stopping. Find more local stop smoking programs by visiting www.QuitMap.ca
For your best chance at stopping, use a personalized support program and a medication support program together.
Details:
Who It’s For: Any form of commercial tobacco or vape
How to Sign Up: Call or Text: 1-877-513-5333
Contact: www.SmokersHelpline.ca
Details:
Who It’s For: Indigenous peoples using any form of commercial tobacco or vape.
How to Sign Up: Call or Text: 1-877-513-5333
Contact: www.TalkTobacco.ca
Details
Who It’s For: Cigarette users only
Contact: www.StopontheNet.com
Here are some things you can do right away:
Cravings are short lasting. If you can wait a few minutes, the cravings usually get weaker.
Do something else instead. Going for a walk, texting someone, or using a fidget toy can take your mind off the craving.
Drinking water, chewing gum, or using toothpicks can give your mouth something to do which can reduce your urge to smoke.
Taking slow, deep breaths can help you relax and deal with feelings like stress, anxiety, or irritation that can come with cravings.
About This Resource
Author: Waterloo Wellington Regional Cancer Program
Revised: April 2026
PEM#: WRHNCC0140
Use this resource for your information only. It does not replace medical advice from your doctor or other healthcare professionals.
Email: [email protected]
Website: www.cancerwaterloowellington.ca