What Happens If You Eat After Midnight Before Surgery?
Wondering when to stop eating before your surgery? What happens if you eat after midnight before surgery? A common rule is to be NPO after midnight. NPO refers to the Latin abbreviation for “nothing by mouth”.
But what if you sneak in food or drink after midnight or when your surgeon tells you not to? Is it THAT important?
In short, YES. It can be incredibly dangerous to eat or drink prior to surgery and can increase your risk of developing aspiration pneumonia. I know, it sounds scary, but that’s where I come in!
In today’s article, I will be sharing more on what aspiration pneumonia is, how to prevent it, and what to do if you eat or drink prior to your surgery.
As a specialized plastic surgery dietitian, I know it can be confusing and overwhelming to know how to best prep for your upcoming surgery. My job is to provide you with the accurate and evidence-based information you need to go into your surgery feeling empowered and prepared. So, let's get into it!
Aspiration pneumonia can occur if you eat or drink too close to your surgery. Aspiration pneumonia is a kind of pneumonia caused by something other than air, such as food or liquid, being inhaled into your respiratory tract.
Symptoms include:
Chest pain
Coughing up phlegm
Fatigue
Fever
Shortness of breath
Wheezing
If you experience any of these symptoms following your surgery, contact your health provider right away. This is not something to take lightly!
What happens if you eat after midnight Before Surgery?
Let's say you end up eating after midnight before surgery and getting aspiration pneumonia, then what's next? Your treatment may include a variety of options. But let me tell you- none of these are fun and it is best to prevent aspiration pneumonia all together!
Treatment may include:
Antibiotics
Swallowing function tests
Sometimes a ventilator to support breathing in more severe cases.
Depending on the severity of symptoms treatment may last 7-8 days in uncomplicated cases. You can easily prevent aspiration pneumonia by following proper surgery protocols, as I'll explain below.
How can I prevent aspiration pneumonia?
The best way to prevent aspiration pneumonia is to follow the pre-surgery fasting guidelines provided by your surgeon.
It’s also recommended to avoid fried foods, fatty foods, or meat the days before surgery as they will take longer to digest and require additional fasting time.
Additionally, if you take any medications, check with your doctor if they are safe to take prior to your surgery.
Action tip #1: Check with your doctor and/or healthcare team to see what guidelines they recommend you follow pre-up. Write them down so you don't forget!
I ate before my surgery! What do I do now?
Tell your doctor ASAP! Depending on what you have, they will determine whether or not it is safe to proceed with your surgery.
Remember, it is better to reschedule your surgery than to put yourself at risk for developing aspiration pneumonia.
What Happens If You Eat After Midnight Before Surgery: Final Thoughts
Here are a few key takeaways from this article:
Aspiration pneumonia can occur if you eat or drink too close to your surgery.
Prevent aspiration pneumonia by following the pre-surgery fasting guidelines provided by your surgeon.
Tell your doctor right away if you have had anything to eat or drink prior to your surgery.
It is better to reschedule your surgery than to put yourself at risk for developing post-surgery complications.
My name is Kylie and the owner of Sulinu, the first women's company for Plastic Surgery.
Born from clinical experience, stubborn integrity, and love.
My Story
In 2019, I closed a chapter as a surgical dietitian. Underneath the noise, I felt lost. One night, I remember standing alone in my kitchen and I prayed, "God, take this life and do something with it."
Three months later, on a camping trip, my husband and I connected with a plastic surgeon. I asked him an earnest question: "What do you give your patients to help them heal after surgery?"
He said, "Nothing. We send them home on arnica."
My stomach dropped. I thought of all the women choosing surgery to feel more at home in their bodies—brave, thoughtful, intentional—and being handed nothing more than a hope and a wish.
So I began searching for "the supplement" I wish I'd had for my patients. It didn't exist. What I found instead were formulas with:
Cheap, poorly absorbed ingredients
Subpar dosages that wouldn't move the needle
Prebiotics and Probiotics that were already dead on arrival
Deceptive marketing and a loud "push harder" message that didn't honor a woman's healing pace.
It took five years. Six figures in losses. Three near-bankruptcies. We didn't give up.
We created Sulinu—born from clinical experience, stubborn integrity, and a genuine love for women who are investing in themselves.
What makes Sulinu different:
Evidence-aligned dosages of nutrients that actually matter for post-op healing
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Is Sulinu a luxury? Yes. Because healing deserves precision.
Your body is not a problem to fix; it's a partner to support. Healing is a biological process that loves to be nourished.
I made Sulinu for the woman who leads with intention, who wants her recovery to reflect the care she's put into every other part of this decision. Thank you for being here. I'm honored to support your healing.
An all-in-one surgery nutrition powder formulated to support the body before and after cosmetic procedures — with a complete blend of protein, collagen, amino acids, micronutrients, synbiotics, and enzymes.
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You can start at any point in your nutrition journey — it's never too late to begin supporting your body with quality nutrition.
Directions
Take ½ to 1 scoop daily
Max: 1 scoop/day
Use daily for at least 6 weeks
Recommended protocol
We recommend 3 bags total for most timelines:
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1 pouch = 20 servings
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Vanilla flavor — mix into cold or warm drinks, smoothies, or recipes
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90% of surveyed customers liked the taste.* *Based on our 2024 customer survey.
Allergy information
Contains lactose. Processed in a facility that may also process eggs, peanuts, sesame, soy, tree nuts, shellfish, and other allergens.
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The Pre and Post Surgery Recipe Guide is a physical, exclusive book included only in the VIP kit. You won't find it anywhere else. Your recovery deserves something you can actually hold in your hands. Created and curated by a surgical dietitian, designed to take the guesswork out of eating for healing.
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This is a signature-upon-arrival purchase. Meal Guides, Bracelet, Personal Bag, Essential Oil, and Bracelet are final sale.
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