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Strains of gonorrhea that are hard to treat with antibiotics are beginning to become much more common in the USA, the Centers for Disease Control warns.
One of the Most Common Sexually Transmitted Diseases May Not Be TreatableAnd a strain of gonorrhea that is resistant to the last antibiotic that can be used to treat the disease has appeared in among female sex workers in Japan and, not necessarily through any direct connection, heterosexual men in Norway.
How Gonorrhea Becomes Resistant to AntibioticsAlthough gonorrhea bacteria reproduce by fission, splitting into essentially identical copies, they can exchange genetic material through "replicons" also known as plasmids. A replicon is a strand of DNA that can reproduce itself inside or outside a living host. It can be absorbed into a bacterium, where it may attach itself to the the main strand of DNA in the cell. Once it gets inside the bacterium, even if it is not attached to other DNA, it can give the bacterium new powers or new problems.
Sometimes plasmids give bacteria the ability to change nitrogen in the air to nitrates that eventually fertilize plants. Sometimes plasmids actually make bacteria sick, by directing the cell to make toxic proteins. And sometimes plasmids give bacteria the ability to resist antibiotics.
The power to antibiotics comes from random mutations. Millions, billions, or trillions of plasmids may appear that do not confer any protection to their hosts. More or less by chance, a plasmid may occur that gives its host ability to function even when it is exposed to medication. If all the surrounding bacteria get wiped out, then the one bacterium that has antibiotic resistance can reproduce itself without any other bacteria competing with it for food. In just hours, dozens of antibiotic-resistant bacteria can be created from the mutant.
The process of creating a bacterium that is resistant to antibiotic treatment only becomes a problem in people who are treated with antibiotics. If the infection is not treated, other bacteria will probably battle with the resistant bacterium and keep it from multiplying (at least keeping it from multiplying to large enough numbers to cause an untreatable infection). If the infection is treated, however, the treatment may fail, and a "superbug" may be waiting to be transmitted through the next sexual encounter.
Who Gets Gonorrhea?In the USA, different parts of the country have dramatically different rates of gonorrhea infection. The states of Montana, New Hampshire, and Vermont, for example, have only 8 cases per year for every 100,000 residents. Louisiana has over 200 cases per 100,000 residents, and Mississippi, 246 cases per 100,000 residents, 30 times more than Montana. Rates in Europe and Japan are similar to those in the United States, with certain locations reporting many more cases than others.
In the United States, the greatest number of women are infected between the ages of 15 and 19, and the greatest number of men are infected between the ages of 20 and 24. This isn't because 20-year-old men are having sex with 15-year-old girls, but because of the susceptibility of the cervix to infection that is higher in teenaged women and lower as they get older.
Why Is It Important to Treat Gonorrhea?
Some of the long-term consequences of gonorrhea include:
- Scarring of the upper reproductive tract (cervix, uterus, and fallopian tubes) in women, leading to infertility and pelvic inflammatory disease,
- Scarring of the urethra in men, leading to infertility,
- Scarring of the corneas and possible blindness when gonorrhea gets into the eyes,
- Infection of an infant born to a mother who is infected,
- Destruction of the joints,
- Meningitis, and
- Heart failure.
And treating gonorrhea isn't as easy as it used to be.
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