Hard-to-Treat Shigella Infections

From the CDC (4/2/15): Multidrug-resistant Shigellosis Spreading in the U.S.

International travelers are bringing a multidrug-resistant intestinal illness to the United States and spreading it to others who have not traveled, according to a report released today by the Centers for Disease Control and Prevention (CDC). Shigella sonnei bacteria resistant to the antibiotic ciprofloxacin sickened 243 people in 32 states and Puerto Rico between May 2014 and February 2015…

In the United States, most Shigella is already resistant to the antibiotics ampicillin and trimethoprim/sulfamethoxazole. Globally, Shigella resistance to Cipro is increasing…

Until recently, Cipro resistance has occurred in just 2 percent of Shigella infections tested in the United States, but was found in 90 percent of samples tested in the recent clusters.

Because Cipro-resistant Shigella is spreading, CDC recommends doctors use lab tests to determine which antibiotics will effectively treat shigellosis. Doctors and patients should consider carefully whether an infection requires antibiotics at all…

For more information on Shigella, please visit: www.cdc.gov/shigella.

Travelers can learn more about food and water precautions to prevent Shigella at: http://wwwnc.cdc.gov/travel/yellowbook/2014/chapter-2-the-pre-travel-consultation/food-and-water-precautions.

To view the full MMWR report, please click here.

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