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Doctor insights on: Antibiotic Kill Bacteria

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Dr. John Leander Po
1,117 Doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more


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I have prostatitis. I am taking an antibiotic course. I wanna know how will antibiotics kill bacteria if they hide in prostate tissue?

I have prostatitis. I am taking an antibiotic course. I wanna know how will antibiotics kill bacteria if they hide in prostate tissue?

Prostatitis Rx: Keep in mind that 90% of prostatitis isn't caused by bacterial infection, hence antibiotics may not work although they are commonly prescribed. Sitz baths and anti-inflammatory drugs can help in such instances. ...Read more

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I have prostatitis (bacterial). I am taking an antibiotic course. I want to know how will antibiotics kill bacteria if they hide in prostate tissue?

I have prostatitis (bacterial). I am taking an antibiotic course. I want to know how will antibiotics kill bacteria if they hide in prostate tissue?

Prostatitis meds: Hopefully your doctor considered which antibiotics are able to cross into the prostate since u are right- the prostate has a capsule around it that protects it. Bactrim (sulfamethoxazole and trimethoprim) or trimethoprim/sulfamethoxazole and fluoroquinolones (ciprofloxacin, levofloxacin) are commonly used antibiotics for this indication. Treatment needs to be quite long- hope u get some relief. ...Read more

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If appropriate antibiotic kills all bad bacteria?

If appropriate antibiotic kills all bad bacteria?

Generally: Your physician will prescribe medication that will kill all offending bacteria. ...Read more

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What is the best antibiotic to kill resistant bacteria and stop them from mutating?

What is the best antibiotic to kill resistant bacteria and stop them from mutating?

Antibiotics: Different antibiotics are effective for different types of infections. Once the bacteria has been identified than the optimal antibiotic can be selected. ...Read more

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Is it true that if you are on antibiotics they kill the bacteria in your stomach, if so should you eat yogurt?

Is it true that if you are on antibiotics they kill the bacteria in your stomach, if so should you eat yogurt?

Yes: Antibiotics kill bacteria, not in your stomach, but in your intestines. Yogurt helps with replenishing the good bacteria. Eat yogurt that has acidophilus probiotcs in it. ...Read more

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I'm pregnant with group b strep. Terrified something bad will happen to my baby. Antibiotics will kill the bacteria so she will be safe, right?

I'm pregnant with group b strep. Terrified something bad will happen to my baby. Antibiotics will kill the bacteria so she will be safe, right?

Relax/so common: GBS is a common inhabitant of the poop and female genital tract. About 30% will be positive on screening at any point & it comes & goes, often without treatment. Oral antibiotics do not end your potential to carry it so those who screen positive are given IV antibiotics (higher dose) while in labor to protect baby. ...Read more

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Can broad spectrum antibiotic kill firmicute bateria?

Can broad spectrum antibiotic kill firmicute bateria?

Sure, but...: ...this is not an effective long-term strategy to reduce obesity! Broad-spectrum antibiotics promote growth of resistant organisms and C.difficile, while decimating your healthy gut flora. ...Read more

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If you take freq antibiotics, does that kill dental bacteria and stop cavities?

No: Taking antibiotics long term is not good for you. Antibiotics will reduce the numbers of "good" bacteria in your body as well as the bad. Why are you taking frequent antibiotics? Antibiotics will not kill plaque bacteria streptococcus mutans in your mouth. The only way to stop dental decay is through frequent brushing and flossing and seeing the dentist at least every 6 months. ...Read more

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Since antibiotics are made to kill bacteria, can I use any antibiotics to fight my mild acne?

Since antibiotics are made to kill bacteria, can I use any antibiotics to fight my mild acne?

This is a common RX: Depending on the type of acne, the use of antibiotic solutions or oral antibiotics are sometimes used as part of treatment. The drawback is the skin germs can become resistant to whatever is being used at the time which leads to treatment failure. Find a skin doc you can work with and come up with a treatment plan you can work with. ...Read more

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Antibiotics can kill gram negative bacteria but symptoms of fever and low blood pressure can persist why?

Infection: If you still have fever and low BP then youir infection is not cleared up. Better seek for a physician office visit. ...Read more

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Antibiotics can kill gram-negative bacteria, but symptoms of fever and low blood pressure can persist--why is this?

Antibiotics can kill gram-negative bacteria, but symptoms of fever and low blood pressure can persist--why is this?

Other Causes: Has enough time elapsed for the antibiotics to work? Were you given the correct or best antibiotic? Certain antibiotics work on some gram (+) bacteria, others on gram (-) bacteria or a combination of (+) and (-). Not only are there bacteria resistant to antibiotics, but your symptoms might last longer than the actual bacteria. Cultures can be taken to see which antibiotics should be effective. ...Read more

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Does 50mg dose of doxycycline taken once daily for a month have a antibacterial effect? Or only anti inflammatory? I have had perioral dermatitis for 2 years and am wondering if the antibiotics will kill my gut bacteria or only be anti inflammatory

Does 50mg dose of doxycycline taken once daily for a month have a antibacterial effect? Or only anti inflammatory? I have had perioral dermatitis for 2 years and am wondering if the antibiotics will kill my gut bacteria or only be anti inflammatory

50 mg of doxycycline: Taken daily is not sufficient to treat infection, probably not sufficient to kill off intestinal bacteria and has minimal anti-inflammatory effect. However, low dose exposure to antibiotics can promote antibiotic resistance. A better approach is intermittent topical steroids, daily multivitamin, skin & lip lubrication and avoiding acidic or spicy food and salted snacks. ...Read more

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Can honey kill resistant bacteria?

Yes: Medicinal grade honey is used as a debriding and antibacterial treatment for necrotic and infected wounds. It has antibacterial properties active against many bacteria including multiply drug resistant ones. ...Read more

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Does cold air kill germs and bacteria?

Does cold air kill germs and bacteria?

Not really: They have found bacteria frozen in glacial ice for millennia that were still viable. Don't count on a cold Boston winter to kill bacteria. If it did, none of the bacteria in your environment would survive. ...Read more

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Is mouthwash good for killing bacteria?

Is mouthwash good for killing bacteria?

Yes: A mouthwash like listerine will kill bacteria in our mouths due to its acolhol content. You should follow rinsing with flossing and then brushing with a toothpast with flouride to clean your teeth. ...Read more

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Does cold water kill germs and bacteria?

Does cold water kill germs and bacteria?

Flush: Water that is used with soap doesn't usually kill bacteria or germs. However, it is used to flush the germs away from the surface being cleaned. ...Read more

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Could listerine kill bacteria from oral sex?

Could listerine kill bacteria from oral sex?

Don't expect using: Listerine after the fact to protect you from becoming infected with a sexually transmitted disease. Abstinence is the only sure way not to get an infection. Protection can also be used with oral sex. Oral sex has potential to transmit a number of sti's. Herpes simplex, hiv, hpv, gonorrhea, chlamydia, syphilis ; hepatitis can be spread via oral sex. ...Read more

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How do bacteria become antibiotic resistance?

How do bacteria become antibiotic resistance?

They Adapt!: Antibiotic resistance is a type of drug resistance where the bacteria no longer are succeptible to the drug. This usually occurs when the microorganism mutates its dna to be able to "inactivate" the medication. This is a type of "natural selection" amoung the bacteria. This is a real threat to medicine today. The overuse of certain antibiotics has contributed to this. ...Read more

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Can you tell me how disinfectants kill bacteria?

Can you tell me how disinfectants kill bacteria?

Disinfectants: Disinfectants, such as bleach, will react chemically with microbial cells to destroy them. There are chemical reactions that occur that interfere with the germs' proteins, outer layers (membranes) or other parts of the microbe. This kind of brutal damage will kill the germs effectively. The good news, is that the range of different germs killed by bleach and other disinfectants is very wide. ...Read more

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What is the best antibiotic of bacteria pneumonia?

Depends on situation: Sometimes the xray features, combined with the age of the patient, time of the year help the physician pick a first line med. Hospital acquired infections may be treated differt from community acquires cases. There is no one fits all med. ...Read more

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Why are bacteria more antibiotic resistant these days?

Why are bacteria more antibiotic resistant these days?

Antibiotic pressure: When bacteria are exposed to antibiotics the strongest bacteria survive. Strength is gained by genetic mutations & by acquiring resistance genes from other bacteria. This selection for resistant bacteria is called antibiotic pressure. Since the 1st antibiotic was introduced in 1935 bacteria continue to gain resistance in 'snow-balling' fashion. Some bacteria today are resistant to all antibiotics. ...Read more

Bacteria (Definition)

Are omnipresent single celled organisms which are the both the simplest form of life and the original form of life on earth. The are ...Read more


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