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Antibiotic is an agent that weakens or destroys bacteria; antibiotics
are medically used to treat various types of bacterial infections. The
various types of antibiotics work either by preventing an infection
from growing or by destroying an existing infection. Antibiotics are
produced either from a mold or a fungus or are produced synthetically.







Question: What are the various types of antibiotics and what do they do?
Common forms of antibiotics include aminoglycosides,ugg classic mini, macrolides, penicillins, tetracyclines, and cephalosporins.
Aminoglycosides work by interfering with the protein formation
of bacteria. Aminoglycosides include gentamicin, amikacin, and
tobramycin. Side effects can include damage to the nerves of hearing
and balance, as well as kidney injury.
Macrolide antibiotics interfere with the protein formation of
bacteria during multiplication. Erythromycin is a macrolide. Side
effects include gastrointestinal discomfort.
Penicillins (discovered by Sir Alexannder Fleming in 1928) work
by damaging the cell walls of the invading bacteria as the bacteria
reproduce. Penicillin G and V are widely used for streptococcal and
other bacterial infections. Broad-spectrum penicillins, such as
ampicillin and amoxicillin, are used on a variety of infections caused
by gram-negative organisms. Hypersensitivity reactions, for example, a
fever or a rash, are fairly common side effects of penicillin use.
Severe allergic reactions (anaphylaxis) rarely occur, but can be
life-threatening.
Tetracyclines,ugg classic tall boots, which are active against a wide range of bacteria
and other organisms, are thought to prevent production of proteins in
the invading bacterial cells. The tetracyclines include tetracycline
and doxycycline. Side effects of therapy may include gastrointestinal
irritation, sensitivity of the skin to sunlight, and liver and kidney
injury. This group of drugs should not be administered during the last
four to five months of pregnanacy, nor should it be given to children
before the age of eight years. Permanent discoloration of developing
teeth may result.
Cephalosporins are relatively new antibiotics active against a
wide range of bacteria. Like penicillins, they interfere with bacterial
cell wall formation. A frequently used cephalosporin is cefaclor. Side
effects include rashes and fever. Sometimes, persons allergic to
penicillins will also be allergic to cephalosporins.
Question: Should antibiotics be used to fight all infections?
Antibiotics can safely save lives when prescribed appropriately.
However, indiscriminate use of these drugs can have serious
consequences and can counteract their usefulness. A number of bacterial
strains that cause disease have become resistant to the antibiotics
that were once able to control or destroy them.
Although literally thousands of antibiotic substances have been
found in nature or have been produced chemically,UGG Adirondack boots ii, relatively few have
been proven safe and effective. Certain antibiotics can become toxic
when outdated.
Persons who know they are allergic to an antibiotic drug should
tell the physician before being treated for any condition. An allergic
reaction could lead to anaphylactic shock, which can be
life-threatening. Even a lesser reaction can be quite serious and
should be monitored by a physician.