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How do antibiotics work

February 14th, 2010 admin No comments

How do antibiotics work

Antibiotics are drugs that have antibacterial properties. This means that drugs can kill or inhibit bacteria multiply in our body. Without, however, are ineffective against viruses that cause colds and the flu virus common.

When the immune system of our body is healthy, is capable of defending invasions of bacteria effectively. The antibodies and white blood cells can usually destroy harmful bacteria before they can multiply enough to cause symptoms. Even when symptoms are present, a body sound is still able to fight infection. But when our immune system deteriorates, the body is unable to contain the bacterial infection and more help is needed. This is where antibiotics come in.

Classes of antibiotics

Here are the most prevalent of antibiotics in use today:

Penicillins *

Macrolides *

* Cephalosporins

Fluoroquinolones *

Antibiotics are classified as narrow-spectrum drugs when they work, cons Only a few types of bacteria. The broad spectrum antibiotics, on the other hand, affects many types of bacteria. However, the use of antibiotics broad-spectrum has the danger of promoting antibiotic resistance. For this reason, narrow-spectrum antibiotics, which usually cost less expensive, are prescribed whenever possible. The broad spectrum antibiotics are usually prescribed, unless he justifies the patient himself.

Penicillins (narrow-spectrum antibiotics)

Feeding bacteria by absorbing nutrients from the host human and grow until they are large enough to split in two. Thus, the bacteria reproduce and multiply. As they grow, they must produce more cell wall. Penicillin acts by interfering with the function Create the wall of the bacteria cell. Bacteria that develop through overflow their cell walls. This kills the bacteria and the infection ends. Commonly prescribed antibiotics for infection sinus by GPs is amoxicillin.

Cephalosporins (broad spectrum antibiotics)

Like penicillins, cephalosporins kill bacteria by inhibiting the synthesis of the bacterial cell wall. Ceftibuten dihydrate is a semisynthetic, third generation cephalosporins for oral administration. In addition to being an effective antibiotic for sinus infection prescription by ENT specialists Day Today, cephalosporins are given to patients who are allergic to penicillin.

Macrolides (antibiotics narrow-spectrum)

Macrolides work by slowing or blocking the formation of proteins in bacteria. Its action is mainly bacteriostatic, which means they are not directly Related destroy bacteria slow their proliferation but allowing the body's immune system to eliminate agency. However, high doses of macrolides may also kill the bacteria. Macrolides cause allergy problems very little compared to penicillins and cephalosporins. Macrolides most commonly prescribed is erythromycin and clarithromycin. Clarithromycin is an antibiotic of choice for the sinus infection in this class of antibiotics prescribed by ENT specialists.

Fluoroquinolones (Antibiotics broad spectrum)

This is the kind most recent and recent antibiotics. Fluoroquinolones kill bacteria by interfering with the process replication of bacterial DNA. This is achieved by binding and inhibiting the action of an enzyme involved in DNA replication. Moxifloxacin is the antibiotic of choice for sinus infection like this.

What is the best antibiotic for a sinus infection?

It is a difficult question to answer, really. Choosing the best antibiotic depends on many factors, as follows:

1. The drug is rapidly absorbed into the bloodstream?

2. How quickly the body eliminates the drug?

3. The nature and severity of the disease.

4. The likelihood of allergies and other severe reactions or side effects of medication.

5. The cost of drugs.

If it is a mild sinus infection, then a narrow-spectrum drugs such as amoxicillin May be prescribed. If this is a case of chronic sinusitis, the new class of broad spectrum antibiotics such as moxifloxacin may be administered. It is sometimes difficult to measure because what works for one may not work for another under similar conditions.

In other words, the best antibiotic for sinus infection is prescribed by your doctor. It is in the best position to decide after taking into account the variety factors above. However, it should also be noted that certain groups of people may have strong reactions to certain types of antibiotics. So we must pay attention to symptoms of an allergic reaction.

Do you know that there are 5 proven natural home remedies for sinus infection? Adopt these simple remedies and you will never need antibiotics again! For more information pls visit Help for Sinus Infection

How do probiotics work in IBS?

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