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Antibiotics

Antibiotics (also called antibacterials) are drugs used to treat bacterial infections. They work by slowing down the growth of bacteria that cause contagious diseases. Antibiotics should not be misused as this may result in the emergence of antibacterial-resistant bacteria.

500 Questions

How do chemists use this fact to create antibiotics that can destroy a bacterial infection without harming human cells?

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Asked by Wiki User

Antibiotics attack proteins only found in bacteria. Each one targets a specific area, be it their cell wall, cell membrane, protein synthesis centers, and really any area that differs enough from human cells

How are bacterial and fungal infections treated?

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Asked by Wiki User

Bacterial infections are typically treated with antibiotics, which work by targeting the bacteria causing the infection. Fungal infections are usually treated with antifungal medications, which can come in the form of creams, ointments, or oral medications. In some cases, a combination of treatments may be used depending on the severity and type of infection.

Why do some antibiotics work better against gram positive then gram negative bacteria?

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Asked by Wiki User

Some antibiotics are more effective against gram-positive bacteria because they have a thinner cell wall that is easier for the antibiotic to penetrate. In contrast, gram-negative bacteria have an additional outer membrane that acts as a barrier to certain antibiotics, making them more resistant to treatment. Additionally, gram-negative bacteria may have efflux pumps that can actively remove antibiotics from the cell before they can exert their effects.

How can bacterial populations develop drug resistance and share that resistance with other bacteria?

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Asked by MAMAKITTY3

Bacterial populations can develop drug resistance through mutations that make them less susceptible to antibiotics. They can also acquire resistance genes from other bacteria through mechanisms like conjugation, transformation, or transduction, allowing them to share resistance traits. This exchange of genetic material can lead to the rapid spread of drug resistance among bacterial populations.

How can you reduce antibiotic resistance?

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Asked by Wiki User

To reduce antibiotic resistance, we should only use antibiotics when necessary and as prescribed by a healthcare professional. Patients should complete the full course of antibiotics, and proper hygiene practices should be followed to prevent the spread of infections. Additionally, we should invest in research to develop new antibiotics and alternative treatments.

What type of scientist studies how bacteria are affected by antibiotics?

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Asked by Wiki User

A microbiologist or medical scientist would study how bacteria are affected by antibiotics. They can investigate how bacteria develop resistance to antibiotics and explore new ways to combat antibiotic resistance.

How much water should be used to dissolve 500mg of Amoxicillin?

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Asked by Wiki User

To dissolve 500mg of Amoxicillin, you typically need to use around 5-10 mL of water. Make sure to follow your healthcare provider's instructions or the manufacturer's guidelines provided on the medication label for accurate dosing and administration.

How are new antibiotics developed and tested?

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Asked by Wiki User

New antibiotics are typically developed through a process of identifying promising compounds that can target bacteria. These compounds go through rigorous laboratory testing to assess their effectiveness and safety. Once a potential candidate is identified, it moves to preclinical and clinical trials to evaluate its efficacy in treating bacterial infections in humans.

How is antibiotics linked to fungi?

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Asked by Wiki User

Antibiotics are medicines used to treat bacterial infections, not fungal infections. Fungi are eukaryotic organisms that are genetically and structurally different from bacteria. Therefore, antibiotics do not directly target fungi. However, some antibiotics can disturb the natural balance of microorganisms in the body, potentially leading to fungal overgrowth or infections, such as candidiasis.

Is ampicillin water soluble?

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Asked by Wiki User

Yes, ampicillin is water soluble. It dissolves well in water, making it easy to administer orally or through injections.

Antibiotic sensitivity disk?

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Asked by Wiki User

Antibiotic sensitivity disks contain a specific concentration of an antibiotic to test the susceptibility of a particular bacterial strain to that antibiotic. The zone of inhibition around the disk indicates the effectiveness of the antibiotic against the bacteria present. This method helps healthcare professionals identify the most appropriate antibiotic for treating bacterial infections.

Which came first penicillin telescopes pyramids or typewriters?

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Asked by Wiki User

Pyramids may date back as far as 5,000 B.C. Research is going on in Sudan. Some day you may join a dig looking for the earliest ones.

Telescopes go back to the 1500s. Galileo discovered the moons of Jupiter using a telescope.

Attempts to make a typewriter go back to the 1800s, if not earlier. Around 1870 Thomas Edison took one model and upgraded it so it could take quite a pounding.

People had been using green moldy bread as a treatment for years. Then Dr. Flemming took the substance from the mold and discovered the most appropriate dose for each person. That started in the 1930s. Until that point, military hospitals were more dangerous than battlefields. Penicillin prevented a number of deaths in military hospitals in World War 2. It became available to the general population in 1945

What are some good antibiotics that can kill gram negative bacteria?

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Asked by Wiki User

Some commonly used antibiotics effective against gram negative bacteria are ciprofloxacin, levofloxacin, azithromycin, and amoxicillin-clavulanate. These antibiotics are typically prescribed based on the specific bacteria causing the infection and its susceptibility to these medications. It's important to consult a healthcare professional before taking any antibiotics.

Why do physician perform a gram stain on a sample before prescribing an antibiotic?

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Asked by Wiki User

Physicians perform a gram stain to determine the type of bacteria present, which helps guide appropriate antibiotic selection. Gram staining differentiates bacteria into two major groups, Gram-positive and Gram-negative, that have varying responses to different antibiotics. This information assists in prescribing the most effective treatment for the infection.

What are the Requirements for a substance consider as an antibiotics?

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Asked by Wiki User

Antibiotics are substances that can inhibit the growth of, or destroy, bacteria. To be considered an antibiotic, a substance must be capable of selectively targeting bacteria without affecting human cells, have a low toxicity to humans, and be effective at killing or inhibiting the growth of bacteria. Additionally, antibiotics should ideally have a narrow spectrum of activity to minimize disruption of the body's normal flora.

Does clindamycin belong to macrolides?

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Asked by Wiki User

Macrolides and Clindamycine are a subgroup of medication that work on killing bacteria by inhibition of Protein synthesis, so both have the same mechanism of action.

but Clinidamycin is not a member of macrolide group, it is just a drug by it's own.

Macrolides include :

-Erythromycin

-Clarithromycin

-Azithromycin

-Roxithromycin

Which fungus is a famous antibiotic?

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Asked by Wiki User

Penicillium is a famous fungus that produces the antibiotic penicillin, which is widely used to treat bacterial infections.

What bacteria does erythromycin attack kill?

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Asked by Wiki User

Erythromycin is an antibiotic that primarily works by inhibiting bacterial protein synthesis. It is effective against a wide range of gram-positive bacteria, including Streptococcus pneumoniae, Staphylococcus aureus, and certain strains of Mycoplasma and Legionella. It is also used to treat some cases of whooping cough, syphilis, and chlamydia.

How long do you take antibiotics for Lyme disease?

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Asked by Wiki User

The duration of antibiotic treatment for Lyme disease varies depending on the stage of the disease and the severity of symptoms. Generally, antibiotics are taken for 2-4 weeks for early localized Lyme disease, and may be extended for 4-6 weeks or longer for disseminated or late-stage Lyme disease. It's important to follow your healthcare provider's recommendations for the specific duration of treatment.

True or false cells containing a plasmid with an antibiotic resistance gene will die in the presence of the antibiotic?

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Asked by Wiki User

False. Cells containing a plasmid with an antibiotic resistance gene will survive in the presence of the antibiotic because they can produce the protein that confers resistance, allowing them to withstand the antibiotic's effects.

Can you be in the sun for long time when taking amoxicillin?

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Asked by Wiki User

It is generally safe to be in the sun while taking amoxicillin. However, some people may experience increased sensitivity to sunlight as a side effect of the medication. It's a good idea to wear sunscreen and protective clothing when spending extended periods in the sun while on amoxicillin.

How effective are municipal wastewater treatment processes at removing pharmaceuticals such as hormones and antibiotics from your drinking water?

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Asked by Wiki User

Municipal wastewater treatment processes are moderately effective at removing pharmaceuticals such as hormones and antibiotics from drinking water. While these processes can reduce the levels of these contaminants, some may still remain in the treated water. Advanced treatment methods like advanced oxidation or membrane filtration may be necessary to further reduce these contaminants to non-detectable levels.

How does penicillin trigger an immune response?

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Asked by Wiki User

Penicillin can bind to proteins in the body, forming a complex that the immune system recognizes as foreign. This can trigger an immune response by activating immune cells like T lymphocytes and causing the release of inflammatory molecules. In some individuals, this immune response can lead to penicillin allergy or hypersensitivity reactions.

How are isosorbide dinitrate tablets administered to enable them to exibit faster effect?

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Asked by Wiki User

Isosorbide dinitrate tablets should be taken sublingually (under the tongue) to enable faster absorption into the bloodstream. This route bypasses the gastrointestinal system and allows the medication to take effect more quickly.

Can intestinal bacteria be killed with antibiotics?

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Asked by Wiki User

Yes, antibiotics can kill intestinal bacteria, but they can also disrupt the balance of beneficial bacteria in the gut. This can lead to side effects such as diarrhea or increased risk of infections. It's important to use antibiotics only when prescribed by a healthcare professional.