What foods should you avoid before surgery?

Why Is It Important to Control Your Diet Before Surgery?
Fasting before surgery is not just a routine step-it is a critical safety measure, especially when anesthesia is involved.
Key reasons include:
๐ Preventing aspiration during anesthesia
When anesthesia is administered, muscles relax-including those that control swallowing. If food remains in the stomach, it may reflux into the lungs and cause serious complications.
๐ Reducing risks from anesthesia
Certain foods and drinks may interact with anesthetic agents, leading to unwanted side effects.
๐ Stabilizing blood sugar and blood pressure
Some foods can affect these levels, which are important for surgical safety.
๐ Reducing post-operative nausea and vomiting
Fasting lowers the risk of nausea after anesthesia.
Foods and Drinks to Avoid Before Surgery
A common question is: What should you not eat before surgery?
Below is a list of items you should avoid, especially if you are planning procedures such as breast surgery or other cosmetic operations.
1. Alcohol and Alcohol-Containing Foods
๐ Alcoholic beverages
Avoid at least 48 hours before surgery, as alcohol affects blood clotting and liver function.
๐ Foods containing alcohol
Such as desserts with alcohol or dishes cooked with wine or spirits.
๐ Fermented juices
Even small amounts of alcohol can interfere with anesthesia.
2. Supplements and Herbal Products
๐ Supplements affecting blood clotting
Examples: fish oil, vitamin E, spirulina, ginger, garlic
๐ Stimulant herbs
Examples: ginseng, green tea, certain algae
๐ Immune-modulating herbs
Examples: echinacea, astragalus
๐ Weight-loss supplements
Many may interact with anesthetic drugs
3. Caffeinated Beverages and Products
๐ Coffee, tea, energy drinks, soft drinks
๐ Chocolate and chocolate-containing products
๐ Pain medications containing caffeine
4. High-Fat Foods
๐ Fried foods
๐ Fast food (high in fat and sodium)
๐ Trans-fat foods
๐ Fatty meats (choose lean protein instead)
How Long Should You Fast Before Surgery?
Understanding fasting duration is essential regardless of the procedure
General Guidelines:
๐ No solid food for at least 8 hours before surgery
๐ No liquids for at least 6 hours before surgery
For surgeries under general anesthesia, these rules are strictly followed.
Exceptions for Regular Medications
Even though fasting is required, some medications must still be taken. Always consult your doctor.
๐ Blood pressure medications
Usually continued with a small sip of water
๐ Heart medications
Typically continued but must be disclosed to the doctor
๐ Diabetes medications
Dosage may need adjustment on the day of surgery
๐ Blood thinners
Often need to be stopped several days prior, as instructed by your doctor
Conclusion
Proper preparation before surgery is essential for both safety and recovery. Understanding what not to eat before surgery-including certain foods, beverages, and supplements-can significantly reduce risks during anesthesia and improve surgical outcomes.
source : IDL Hospital
**Translated and compiled by ArokaGO Content Team
IDL Hospital
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