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how long does it take for food to pass through the digestive system

A 52-year-old member asked:
Dr. Eric Kaplan
41 years experience Colon and Rectal Surgery
In a normal person: without any prior surgeries or GI diseases, about 60 90 minutes from the mouth thru the small intestine to reach the colon and then another 24-36 hour ... Read More

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A 45-year-old member asked:
Dr. Pamela Pappas
41 years experience Psychiatry
Variable: Amount of time between eating food and processing entirely to defecation varies between people a lot. It takes 6-8 hours for food to through stomach a ... Read More
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A 55-year-old member asked:
Dr. James Ferguson
45 years experience Pediatrics
Varies: In a good state of health most babies will have a transit time from 3-5 days. If constipated, it can be longer, if diarrhea it could be less than an h ... Read More
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A 40-year-old male asked:
Dr. Charles Cattano
38 years experience Gastroenterology
"Cure" for diarrhea: First define the problem (do you have soft or frequent stool?), circumstances under which diarrhea developed (malabsorption, pancreatic maldigestion ... Read More
A 25-year-old female asked:
Dr. Jeffrey Juchau
32 years experience Family Medicine
We would need: information as to what the supplement is, how it was taken, and all the ingredients. Even then unless there have been studies done we may not be able ... Read More
A 28-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
2 hours: Most allergic responses occur within 2 hours although reaction to red meat may not come on until 3-6 hours later. Most allergic responses from food ... Read More
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A member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Varies with the type: Of food. After consuming a typical solid meal, there is a lag time of 20 to 30 minutes in which there is minimal gastric emptying. This is followed by ... Read More
A 51-year-old member asked:
Dr. Eric Kaplan
41 years experience Colon and Rectal Surgery
Following a meal,: Transit time through the small intestine is anywhere from 45 minute to 90 minutes; then transit time through the colon normally is 24-36 hours. This w ... Read More
A 52-year-old member asked:
Dr. Martin Fried
35 years experience General Practice
3-6 hours: 3-6 hours for solids about 3 hours for most liquids. Meat is slower to digest and may take up to six hours milk curdles and the casein may take up ... Read More
A 51-year-old member asked:
Dr. Susan Uhrich
35 years experience Psychiatry
That depends: On how much you smoke over how many years. Count on a month.
A 41-year-old member asked:
Dr. LUIS IRIZARRY
27 years experience Family Medicine
Food: Could take 24 hours. Stomach 2-4 hrs, small intestine 8-10 hr, colon 10 hrs. Not a perfect process.
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A 37-year-old member asked:
Dr. Michael Teitelbaum
31 years experience Dentistry
Long time: If you're trying to fool a test, forget it. Some these days can pick up drugs from months ago. For driving purposes, it depends on how big a dose, ... Read More
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A 28-year-old female asked:
Dr. Linda Callaghan
52 years experience Addiction Medicine
It depends.: It may take a few days however, constipation can also be due to not eating enough roughage, not drinking or exercising enough. Xanax (alprazolam) or o ... Read More
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A 45-year-old female asked:
Dr. Oscar Novick
57 years experience Pediatrics
Popcorn: It usually takes 18-24 hours to digest popcorn.
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A 52-year-old member asked:
Dr. David Chandler
32 years experience Ophthalmology
Variable: This can vary based on the type of food, gender, age, and based on the individual. It has been reported that food passes through the stomach and small ... Read More
A 25-year-old male asked:
Dr. Sewa Legha
49 years experience Medical Oncology
About 4 hours: Most food in our stomach moves down into the intestine in 3 to 6 hours. Foods that contain fat are digested slower than those @ carbohydrates. Milk ... Read More
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A 34-year-old female asked:
Dr. Hasan Khondker
12 years experience Internal Medicine
It depends: Fats and carbs take longer while proteins digest quicker
A 55-year-old member asked:
Dr. Varadarajan Subbiah
14 years experience Internal Medicine
Up to 1 year: Nicotine can stay in your system for upto 72 hours. The byproducts of nicotine can stay in your system for upto 3 weeks. Nicotine can be found in yo ... Read More
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A 51-year-old member asked:
Dr. Thomas Namey
47 years experience Rheumatology
As long as it is....: Once absorbed if it is a sytemic drug, that occurs quickly. However, if you have an eneteritis with diarrhea, you may not absorb much.
A 39-year-old male asked:
Dr. Edgar Mendizabal
54 years experience Internal Medicine
Half life: Is about 60 hrs
A member asked:
Dr. James Ryan
14 years experience Family Medicine
Emergency: if you have taken more than the prescribed amount of medication then you should go to the emergency room immediately.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

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