Questions tagged [gastroenterology]

the branch of medicine that deals with disorders of the stomach and intestines.

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33 views

How prevalent are gastrointestinal parasites in gay men?

I was doing some research on gay health outcomes and came across some very old studies with very high prevalence rates for gastrointestinal parasites among gay men. (https://jcm.asm.org/content/24/4/...
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What protective mechanisms against lead absorption are present in adults but not fully developed in children?

According to this summary, adults typically absorb up to 20% of ingested lead after a meal, whereas children typically absorb up to 50% of ingested lead after a meal. When I search to try to find out ...
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Does the stool test for Helicobacter pylori show only acute infections?

There are four options when being tested for Helicobacter pylori - blood test, stool test, breath test and scope test. (Helicobacter pylori (H. pylori) infection) Scope test is definitely the most ...
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42 views

How can a ruptured ulcer all the way in the duodenum, cause kidney failure?

The famous Nobel Prize winning physicist is said to have died because "A ruptured duodenal ulcer caused kidney failure", leading to his death 12 days later. I understand that the kidney ...
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1answer
12 views

Why does congenital duodenal obstruction cause a “double bubble” sign to appear on imaging?

Duodenal obstruction is caused by failure of recanalization of the duodenum during embryological organogenesis. It classically presents as a "double bubble" sign on x-ray or ultrasound. I understand ...
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32 views

What element of black tea is laxative?

This might be a little bit gross but I hope members will put up with it. Tea works as laxative, exactly which element or ingredient of black tea works as laxative, to be specific, which element or ...
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1answer
53 views

What is the size of biopsy specimens pinched from normal colon mucosa?

To investigate certain types of inflammation, during a colonoscopy, a doctor might pinch off normal-looking mucosa at a number of locations for subsequent microscopic examination. What is the size of ...
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1answer
72 views

What GI issues need to diagnosed/treated early lest they cause permanent damage?

What GI issues need to be diagnosed/treated early lest they cause permanent damage or become unrecoverable. An example would colon cancer. The question is about which possible diagnoses need to be ...
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1answer
177 views

Are there drugs that help to digest wheat?

It understand that there are some sugars in wheat that some people cannot digest and that would risk them in IBS but I don't ask about drugs that fight IBS, which make intestines move slower and stuff ...
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2answers
162 views

Preventing NSAID-associated GI bleeding

Are there ~simple means to reduce risk of GI (gastro-intestinal) bleeding associated with NSAIDs (non-steroidal anti-inflammatory drugs)(ie aspirin) - besides the common-sense answers?: Take with ...
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1answer
131 views

Effect of laxatives on pre-existing hard stool

I wonder if laxative medicines are able to soften pre-existing hard stool in colon or merely prevent them from being formed. I searched on the internet but found no helpful information. Sorry if the ...
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1answer
166 views

Acceptable Macronutrient Distribution Range

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2674146/ I found some papers suggesting AMDR is not the optimum and it is too high on carbohydrates in particular. Is it generally safe to undergo a 27....
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179 views

Colorectal examinations

This question was sparked by this discussion about the sigmoid and rectum. When looking at the colorectal medical examination techniques, for want of a better term, there are the sopical examinations (...
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86 views

Is an annual stomach x-ray (barium meal) an acceptable radiation risk for a resident of Japan?

I live in Japan. Here, it is common for an annual health checkup to include a barium meal stomach x-ray, especially for people over 35, but sometimes younger. A gastroenterologist told me that this ...
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1answer
178 views

Hitler's physician Morrel prescribed a drug that contained e. coli — was this unusual in those days?

It is my understanding that Hitler's physician, T. Morell, who was essentially a "feel good" like Max Jacobson (although maybe still acting within accepted practice in the days when powerful drugs ...
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451 views

Lactulose and dental decay

Lactulose is an osmotic laxative made from the milk sugar lactose. It is non-absorbable in the gut, and so draws water into the gut by osmosis, with the aim of alleviating constipation. I have heard a ...
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1answer
2k views

Bismuth subsalicylate (Pepto-Bismol) vs. Dimenhydrate (Gravol)

Pharmacy Times doesn't distinguish them. familydoctor.org (sponsored by American Academy of Family Physicians) states: Bismuth subsalicylate (2 brand names: Kaopectate, Pepto-Bismol). It may ...
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68 views

What check is done to diagnose GERD?

Recently I looked at my personal health file and saw that I was diagnosed with GERD some 6 years ago. This seemed strange to me since I did not remember any occasion in which I was positively ...
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6k views

Is Pentasa an immunosuppressive drug?

Is Pentasa an immunosuppresive drug? I want to know because my brother has been diagnosed with Crohn's Disease.
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93 views

Loperamide POM Medication

If you look at the following image from Pharmacy2u, this box of Loperamide Tablets is POM (See the POM in a rectangle on the left). Image from Pharmacy2u When you consider that this box of 2mg ...
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64 views

Can a CT scan of the abdomen help find unhealthy mucosal lining in the small intestine?

What's the role of CT imaging in the diagnosis of small bowel mucosal diseases?
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149 views

Can your rectum atrophy after a long time of inactivity?

A colectomy and subsequent ileostomy are surgeries that involve removing the large bowel (colon) and creating an opening in the abdomen for food waste to go through the small intestine and out of the ...
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2answers
75 views

Best type of specialist who performs colonoscopies

I googled for the best type of specialist who performs colonoscopies and it says gastroenterologist [link 1, link 2]. My questions: Why don't they mention colorectal surgeon? One would think that a ...
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1answer
94 views

Why stomach ulcer need more than one antibiotic at the same time?

Almost all treatment recommendation for gastritis, duodenitis or peptic ulcer that has Helicobacter pylori, calls for 2 or 3 antibiotic at the same time, why is that ? Why not use a single effective ...
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Does pepcin play a role in GERD/LPR?

Two popular books ("Dropping Acid" by Dr. Jamie Koufman and "The Acid Watcher Diet" by Dr. Jonathan Aviv) claim that tissue damage in GERD and LPR is caused by the digestive enzyme pepcin. In their ...
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Why should I avoid milk when on antibiotics?

I'm taking antibiotics (specifically, amoxicillin clavulanate) to fight off an ear infection. As she prescribed my antibiotics, my doctor told me not to eat milk products for a few days, then only eat ...
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Elderly Father Takes Prevacid for last 20 years, seems to do more harm, how to stop [closed]

Note: Requesting guidance on how to approach, not medical advice. My Dad is in his early 70s and has taken Prevacid once a day for nearly 20 years. After eating food would come up after an hour. ...
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156 views

Why does gas cause pain?

If I have gas in my intestines, why does it hurt? The mayo clinic has a lot of words, that describe the how and why you get gas. Anything that causes intestinal gas or is associated with ...
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Do toilet bleach tablets prevent the spread of enteric diseases?

I am not a huge fan of adding bleach tablets to toilets, but my wife and I have experienced an unfortunate increase in stomach-related problems since we had children. Despite our attempts to regularly ...
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1answer
235 views

How does gallbladder removal affects fat digestion?

If I understand correctly, the sole purpose of the gallbladder is to store extra bile that is opportunely released in order to properly digest fat. When the gallbladder is removed, what happens when ...
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3k views

What is “lax cardia”? [closed]

My upper GI endoscopy report impression says: lax cardia, grade a relux oesophagitis, erosive gastritis. What is "lax cardia"? My symptoms: abdomen pain around belly button, weight loss, belching etc....
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1answer
157 views

Why do a follow-up colonoscopy?

I had a colonoscopy recently and the doctor removed a polyp. He told me I should get follow-up in six months. I asked him why, since he already determined that it wasn't cancerous and these things ...
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1answer
2k views

Eating egg shells: advantages v.s. disadvantages?

I am an engineer and a scientist, but not in the field of medicine or health. Partial answers/comments are welcome. Some of my family members start eating egg shells for the sake of obtaining ...
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2answers
147 views

Do proton pump inhibitors (PPIs) shut down all the proton pumps in all cells across our body?

It's known that proton pumps exist in all cells in our bodies and help us to get rid of damaged proteins (present a disposal system). PPIs (omeprazole, pantoprazole, esomeprazole, lansoprazole and ...
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16 views

Immunity after a GI bug

Common wisdom is that once you've been infected with a cold virus, you are then immune to that specific virus. Obviously there are hundreds of cold viruses, so you can keep getting colds. Does the ...
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1answer
57 views

How do we know that our esophageal sphincters are malfunctioning in acid reflux without endoscopy?

If you have acid reflux that gives you severe level of mouth ulcers in such a way that you are getting multiple clusters of canker sores on your tongue and you can't eat or sleep anymore, does that ...
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2answers
127 views

What is alkaline food's actual impact on internal ph regulation?

Dozens of sites throughout the internet nowadays, seemingly concerning nutrition, essentially try to convey the same message: alkaline food helps to regulate your internal pH. Having read some ...
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1answer
60 views

What medications (whether prescription or OTC) or home-remedies are used for stool-softeners or laxatives (to counteract constipation)?

Because I have been dealing with a lot of physical pain, I have been taking a lot of pain medication, which has the common side of effect of constipation. Obviously, this leads to painful defecation ...
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What happened to all the centers for hiatus hernia?

I have been doing much research for years on the esophageal hiatal hernia. I found exactly one paper on-line (from the US military, I believe, I cannot relocate it) that mentioned in passing that ...
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1answer
196 views

How long a certain food takes for making intestinal gas?

I've some symptoms of IBS. I want to know some stuff on the basis of my symptoms that I've observed. I know Apples, Melons or milk can cause gas. For instance, before quitting milk, when I would ...
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1answer
300 views

What is the actual reason behind intestinal gas? [closed]

I have some symptoms of IBS. And the most irritating problem I'm dealing with is intestinal gas. I'm taking medicines but they don't seem working. Neither it is curing IBS nor the gas problem. I'm ...
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2answers
326 views

Does the digestive disorders affect the location of aorta beat around navel?

You might have experienced this. If you lie on your back on a flat surface and place your finger or thumb right over navel (men or women), and press softly down, you'd feel the beating just like ...
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2k views

Is it possible to regain lost lactose tolerance?

I could perfectly digest dairy till the age of 35. One fine day when I went to doctor to ask about stomach problems I had in past some days that year, I was told that I am lactose intolerant. How did ...
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Does a doctor who does endoscopies just do endoscopies?

I just spent a half hour in a gastroenterologist's office talking with him about my history, problems, diet, etc. and getting a basic physical exam. He wants to do an upper endoscopy. Is it normal ...
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241 views

Enlarged Spleen

Since I have been detected with an enlarged spleen I have wanted to know: What are the discomforts caused by an enlarged spleen? Are there any symptoms to identify such a case?
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110 views

Is honey elemental nutrition, if not why not?

In elemental drinks liquid nutrition is given to patients with ingredients that do not require eznzyme to break them down or any digestive activity. To my knowledge honey contains monosachiride sugar ...
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2answers
320 views

How to schedule bowel movements? [closed]

I've had trouble sleeping for nearly 6 years now. I have had this lingering suspicion that maybe my sleep issues might have something to do with digestion but only recently confirmed it by keeping a ...
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181 views

Constipation during cold weather

I'm a Male late twenties living in the tropics. Over the past couple of years I get very bad constipation during the cold season. Drinking more water / fibre doesn't seem to help much. What is the ...
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989 views

Do higher amounts of alcohol (beer) help gastritis?

I was at a party and despite my gastritis symptoms I decided to have a couple of drinks. I drank 1.2l (5.US customary cups). At first (after one or two cups) I felt pain and bloating, but after ...
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1answer
427 views

Can longterm anxiety (fear of disease-nosemaphobia) cause chronic gastritis [closed]

I've had chronic gastritis (with a healed ulcer and 2 times erosive gastritis) for over 6 years now. I've also had 4 gastroscopy procedures. I can't find the cause of it up to this date. From the ...