Questions tagged [bacteria]

It is about the microbes of domain Bacteria that can act as both infectious agents and symbionts (e.g.commensals) in our body.

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12
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1answer
195 views

Are essential oils good disinfectants?

This study seems to indicate that some plant essential oils have antibacterial properties: In vitro antibacterial activity of some plant essential oils (BMC Complementary and Alternative Medicine) ...
11
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1answer
387 views

How does a MRSA test work?

Let's assume we have a patient with acute infection. The doctor suspects MRSA. A culture is taken, brought to the lab, and then what? I'm interested to hear what are the usual steps a laboratory ...
10
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1answer
363 views

How much body fluid required to actually transmit a sexually transmitted disease (STD)?

While reading about sexually transmitted disease, I always wonder how much body fluid is actually required to transmit some diseases, specially in the case of other kinds of sex (masturbation, hand ...
10
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1answer
421 views

Can Helicobacter pylori affect the body outside of the digestive system?

I had a discussion with a friend who's going through some medical issues as of lately. She underwent a few tests and met a few doctors which inquired about her medical history. She has frequent ...
9
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3answers
108 views

Is there a cure for bad breath? [closed]

I typically wake up with a mouth tasting like something died in it. Throughout the day it continues to taste bad, and I'm told it smells significantly worse. This has gotten to the point that it's ...
8
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1answer
108 views

How to tell if the common cold has turned to an infection

I am very susceptible to the common cold. I get it at least 2 - 3 times a year. Sometimes it goes away in a couple of days, sometimes it develops into a nasty throat/lung infection with an awful cough ...
7
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1answer
107 views

Does stopping fever hinder the process of killing bacteria via fever?

Since the body produces fever in order to kill bacteria, wouldn't decreasing the fever by taking anti fever medication decrease the body's ability to fight the bacteria? Assuming you have non life ...
7
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1answer
215 views

How to increase my gut bacteria? Are there any drugs available? [closed]

My digestive system does not properly digest the food I eat. I searched the Internet and found out that a lack of gut bacteria can cause this kind of problem. How can gut bacteria be increased? Are ...
7
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1answer
384 views

Do all hand sanitizers contribute to antibacterial resistance?

Some hand sanitizers contain triclosan to kill bacteria. Triclosan has been found to contribute to antibacterial resistance. I'm trying to reduce my use of products that contribute to antibacterial ...
7
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1answer
167 views

prebiotics and probiotics dosage & can I have them regularly?

I've heard some good things about prebiotics and probiotics - for example, here. I also came across this line... As with any dietary supplement, be aware that probiotic supplements are regulated as ...
5
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1answer
2k views

Does fasting improve your immune system even when you are already having some infection?

I am one of the self-motivated activists who run some groups to answer various misconceptions about science and try to fight against ignorance, pseudo-sciences and blind faiths. I was recently asked ...
5
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2answers
194 views

How to sterilize the human intestine using a safe method?

I want to know how can one sterilize their intestine (both small/large) and what are the consequences.
5
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0answers
85 views

Is opening the chest cavity still considered dangerous to the spread\growth of disease? [closed]

Talking to relatives, it sounds like it was once believed that opening the chest cavity generally caused the spread and growth of diseases such as cancer because of the introduced oxygen into the area....
5
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0answers
171 views

Does antibiotics weaken immune system or causes Fever [closed]

If your popping antibiotics everyday, prescribed by your doctor though he asked you to revisit after two months and warned you to ignore any fever symptoms during these two months. I'm just wondering ...
4
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1answer
73 views

Can adults get new gut bacteria from external exposure?

I am not a student nor professional in medicine or physiology. I understand that newborns get their gut bacteria during childbirth from the contact with the mother (I am going to assume this happens ...
4
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1answer
1k views

Bacterial growth inhibitors used in Deodorants

I'd like to understand what common ingredients in deodorants contribute to the inhibiting growth of odour creating bacteria. I'm only looking for a handful of the most obvious chemicals, but I'd like ...
4
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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 ...
4
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1answer
135 views

how long can H.Pylori last if not cured?

Is it possible for H.Pylori to last for 10 years if not cured properly?
4
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2answers
179 views

about one-piece dental implant

I read on some articles saying that two-piece (kind of nut-and-bolt system) dental implants might have gap as time goes, because a man chews foods everyday. Some bad bacteria (anaerobic bacteria such ...
4
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1answer
67 views

When taking antibiotics, does every single germ have to die?

When I get sick and need to take antibiotics, I get admonished to carry the treatment until the end, otherwise I am breeding antibiotic-resistant superbugs. Does this mean that when I finish the ...
4
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1answer
62 views

Do humidifiers help cure the flu?

According to this report, absolute humidity affects transmission and survival of the influenza virus with 90% accuracy. Lower humidity at winter promotes both the influenza virus transmission and its ...
4
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2answers
111 views

Would showering with germicidal water be beneficial or harmful?

Suppose a device was able to make water remove 99.99 % of bacteria on the incident surface (assuming that the water is germicidal by itself, whatever the reason – e.g. by means of an additive which ...
4
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2answers
46 views

Can microbes be bred to be less infectious?

It was a strange idea that popped into my head. Could wild infectious microbes be bred (directed evolution) by some mechanism (such as through hypothetical drug therapies) to "domesticate" them and ...
3
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1answer
322 views

dangers of keeping blood in a jar

What are the dangers of collecting menstrual blood in a jar for a week and then paint with it? Will there be any dangerous bacteria in the blood that could be airborne? Is there any substance I can ...
3
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1answer
172 views

Prepare tea directly in water boiler - dangerous?

Is it dangerous to prepare tea directly in a water boiler? If I prepare green tea in a water boiler there is some discoloring of the container. Are there any bacteria/ molds which are dangerous to one'...
3
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1answer
753 views

UTI bacteria climbing up urine stream!

I visited a doctor who suggested that it is possible for UTI causing bacteria (E coli among others) to climb-up (so to speak) the urine stream, from a dirty urinal for example. I would like to ...
3
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1answer
75 views

Why does a dental abscess / infection usually go away after a root canal?

After an abscess is diagnosed and a root canal treatment is done on a tooth, why does the infection go away? It seems all the root canal treatment does is remove the total volume of space for the ...
3
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1answer
56 views

Has a guideline been set for the optimal pH level in the mouth?

My thought is that improper pH might might be a factor in bacterial growth and tooth decay. Supporting the idea is this research summary that implicates low pH (high acidity) to Fluorosis. Notes: ...
3
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1answer
74 views

Nasal congestion or fever as a mechanism to combat infection

As far as I know, nasal congestion and fever are generally regarded as symptoms of many illnesses (e.g. flu), not as mechanisms that the body uses to fight an infection. Nonetheless, a lot of people ...
3
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2answers
400 views

Can fasting be used to reset the oral microbiome?

The mouth is known to harbor many different types of bacteria, including actinomyces, bacteroides, bifidobacterium, lactobacillus, peptostreptococcus, selenomomas, treponema, veilonella1, and fungi, ...
3
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1answer
72 views

What are the actual symptoms of the common cold? [duplicate]

Everyone knows (and passionately hates) the runny nose, coughing, sneezing, aching/sore joints, and the drowsiness associated with the cold. But these symptoms are just the body trying to get rid of ...
3
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1answer
102 views

How do probiotics work?

What are the bacteria in your large intestine doing that benefits health/immunity? I first heard about these bacteria in a health food store about 20 years ago. This was before people started using ...
3
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2answers
66 views

Is there any test to identify bacteria?

When I got some upper respiratory infection the doctor always prescribed broad-spectrum antibiotics like amoxicillin. Is there any test to identify bacteria, and if so, why doesn't the doctor order ...
3
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1answer
59 views

Bacteria location in food poisoning?

Where is the majority of bacteria located in food that leads to food poisoning? I.E in most cases is it on the surface, or deep within the food (i.e in the case of "cooked" meat, or balanced?
2
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2answers
277 views

Why does overuse of antibiotics cause resistance?

The way I see it there are 2 cases: 1. The patient uses antibiotics and has an infection. 2. The patient does not have an infection and uses the antibiotics. For case 1, this is a legitimate use. ...
2
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1answer
32 views

Use of antibiotics with chest infections

I would like to have a confusing part of medicine cleared up. My experience of medical intervention is as follows. As pointed out in the answer to Does taking antibiotics make you immune to virus? ...
2
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1answer
103 views

Testing intestinal flora in transverse colon

I have a theory that the transverse colon can be overpopulated with intestinal flora that, when fed sugar, overproduce CO2 and cause bloating/pain specifically in and around the hepatic flexure. Has ...
2
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1answer
16 views

Is targeted antimicrobial peptide mouthwash currently available anywhere (including experimentally)?

For reference: http://newsroom.ucla.edu/releases/ucla-scientists-explain-mechanism-that-makes-their-mouthwash-so-effective-against-tooth-decay Antimicrobial peptides as mouthwash were first invented ...
2
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0answers
74 views

The likelihood of contracting a disease from flies?

Given a housefly has landed on your food, and that you then consume it, what is the likelihood of contracting some malady directly attributable to the fly? I'm aware that flies can carry diseases ...
2
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0answers
25 views

Streptococcus pyogenes mutation and recurrence

Does the bacteria that cause strep throat also mutates, just like the virus that cause flu? In the same season, is it possible for a person to be infected multiple times (concurrently or not) by the ...
2
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0answers
136 views

Should Ureaplasma Urealyticum be treated if it doesn't cause any symptoms?

Ureaplasma Urealyticum is a bacterium that can be passed through sexual contact although it is not considered a classic STI or STD because of its low degree of pathogenicity (ie, harm the infected ...
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0answers
48 views

What type of diet is effective at eliminating small intestinal bacterial overgrowth?

What type of diet is effective at eliminating small intestinal bacterial overgrowth (SIBO) and how long does one need to be on it?
2
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0answers
12 views

What are the countries restricted for Workings as a TB diagnosed individual?

I came across some shocking information that GCC countries and Brunei doesn't give work visa for person who was diagnosed by TB in past. Any spots in chest will be enough evidence to cancel the ...
2
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0answers
57 views

Are microbes that don't make you sick able to reproduce more numerously or at a faster rate in the human body than microbes that do make you sick?

Are microbes that don't make you sick able to reproduce more numerously or at a faster rate in the human body than microbes that do make you sick? I wouldn't want to assume much on this question.
1
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1answer
91 views

I poured out a bulging milk carton - am I in danger?

I was cleaning out my fridge and came across a milk carton (2%) that was bulging. I opened the cap and it released gas, and a horrible smell. I poured it down the drain and ventilated my apartment. ...
1
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1answer
317 views

Did I catch a cold from eating unwashed fruit?

Recently I caught a cold in presumably an amazingly short period of time (~6h). From prior infections I had the experience to have 24 to 48 hours "left" being a bit ill, before being forced to stay in ...
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2answers
60 views

Best way to clean dry fruits and nuts before eating

Recently I got acute Diarrhoea, which I suspect to be due ton a new packet of dates which I purchased recently (1st time I'm using this). I have dry fruits and nuts regularly, however I haven't ...
1
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1answer
47 views

Can intestinal bacterial overgrowth result in hypophosphatemia?

This article shows that there is variability in the degree that bacteria bind to phosphate in the gut. Is it possible that intestinal bacterial overgrowth results in hypophosphatemia?
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1answer
33 views

Difference between BHI biphasic and Castaneda culture media in diagnosis of infective endocarditis

So I am currently studying Hematology/CVS and there is some vital microbiology attached to this. I am studying infective endocarditis and one of the Duke's Criteria involves a Lab Diagnosis which ...
1
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1answer
58 views

What are “cryptic bacteria”?

I came across the term "cryptic bacteria" a few times in the context of biochemistry (Google search), but I couldn't find a definition. What does "cryptic" mean in that context?