Data from 77 countries show that antibiotic resistance is making gonorrhea – a common sexually-transmitted infection – much harder, and sometimes impossible, to treat, according to a World Health Organization report today.
“The bacteria that cause gonorrhea are particularly smart. Every time we use a new class of antibiotics to treat the infection, the bacteria evolve to resist them,” said Dr Teodora Wi, Medical Officer, Human Reproduction, at WHO.
WHO reports widespread resistance to older and cheaper antibiotics. Some countries – particularly high-income ones, where surveillance is best – are finding cases of the infection that are untreatable by all known antibiotics.
“These cases may just be the tip of the iceberg, since systems to diagnose and report untreatable infections are lacking in lower-income countries where gonorrhoea is actually more common,” adds Dr Wi.
Each year, an estimated 78 million people are infected with gonorrhea. Gonorrhea can infect the genitals, rectum, and throat. Complications of gonorrhea disproportionally affect women, including pelvic inflammatory disease, ectopic pregnancy and infertility, as well as an increased risk of HIV.
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Decreasing condom use, increased urbanization and travel, poor infection detection rates, and inadequate or failed treatment all contribute to this increase.
The WHO Global Gonococcal Antimicrobial Surveillance Programme (WHO GASP), monitors trends in drug-resistant gonorrhoea. WHO GASP data from 2009 to 2014 find widespread resistance to ciprofloxacin [97% of countries that reported data in that period found drug-resistant strains], increasing resistance to azithromycin [81%], and the emergence of resistance to the current last-resort treatment: the extended-spectrum cephalosporins (ESCs) oral cefixime or injectable ceftriaxone [66%].
Currently, in most countries, ESCs are the only single antibiotic that remain effective for treating gonorrhoea. But resistance to cefixime – and more rarely to ceftriaxone – has now been reported in more than 50 countries. As a result, WHO issued updated global treatment recommendations in 2016 advising doctors to give 2 antibiotics: ceftriaxone and azithromycin.
Read more at World Health Organization
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