Many patients know they shouldn't eat before surgery, but what about chewing gum?
The answer is usually no. Even though you aren't swallowing food, chewing gum can stimulate your stomach and increase the production of digestive fluids. Because of this, many surgeons and anesthesia providers ask patients not to chew gum after their fasting cutoff.
If you accidentally chew gum before surgery, don't panic. Contact your surgical team and let them know what happened so they can advise you on the next steps.
Quick Summary
- Most patients should not chew gum after their fasting cutoff time.
- Chewing gum may stimulate stomach activity, even if you do not swallow it.
- Always follow the fasting instructions provided by your surgeon or anesthesia team.
- If you accidentally chew gum, call your surgical team for guidance.
- When in doubt, avoid gum until after your procedure.
Why Can't I Chew Gum Before Surgery?
Chewing gum may seem harmless because you aren't eating food, but it still activates your digestive system.
When you chew gum, your body begins producing saliva and digestive juices in anticipation of food. During anesthesia, doctors want your stomach to be as empty as possible to reduce the risk of stomach contents entering your lungs.
For this reason, many surgery centers include gum with the list of things to avoid after your fasting instructions begin.
For a complete overview of fasting rules, read When Should I Stop Eating and Drinking Before Surgery?
Does It Matter If It's Sugar-Free Gum?
Usually, no.
Whether the gum contains sugar or artificial sweeteners, the act of chewing itself is the primary concern.
Even sugar-free gum may not be allowed after your fasting cutoff.
What If I Swallow the Gum?
Swallowing a piece of gum does not necessarily mean your surgery will be canceled.
However, you should still notify your surgical team.
They will consider:
- When you swallowed it
- How much time remains before surgery
- Your procedure
- Your anesthesia plan
They will let you know whether any changes are needed.
What If I Accidentally Chewed Gum This Morning?
Don't assume your surgery is canceled.
Instead:
- Stop chewing immediately.
- Throw the gum away.
- Call your surgeon's office or surgery center.
- Follow the instructions they provide.
Many situations can be managed without canceling surgery, but your healthcare team needs accurate information to make that decision safely.
What Can I Do Instead?
If you're thirsty, anxious, or trying to freshen your mouth before surgery, follow the instructions your surgical team has given you.
Depending on your fasting instructions, you may still be allowed to brush your teeth without swallowing water.
Learn more in Can I Brush My Teeth Before Surgery?
If you're wondering what you can drink before surgery, see Can I Drink Water Before Surgery? and Can I Drink Coffee Before Surgery?
The Bottom Line
Most patients should avoid chewing gum after their fasting cutoff because it can stimulate the digestive system and may interfere with anesthesia guidelines.
When preparing for surgery, it's safest to follow your fasting instructions exactly and contact your surgical team if you're unsure or make a mistake.
Before heading to your procedure, review What to Expect on Surgery Day to help you know what the morning will look like.
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