Ministry of Health    


STD Series
BC HealthFile #08n, March 2006

Shigella - An Enteric STD



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What is Shigella?

Shigella are bacteria that cause a stomach infection. They are only found in human stool or bowel movements.

What is an enteric STD?

An STD is a sexually transmitted disease. An enteric STD is a disease that is spread by mouth to anus (oral-anal) contact, usually by having anal sex.

Who can get it?

Anyone who comes into contact with infected stool can get Shigella. Men having sex with men are at higher risk due to high rates of infection in the gay community.

What are the symptoms of Shigella?

When a person is sick with Shigella, they can have diarrhea, sometimes with blood and/or mucous, fever, stomach cramps, nausea (feeling sick to your stomach) and vomiting.

Symptoms usually happen one to three days after exposure. A person with Shigella may experience mild, severe or no symptoms. If you have serious symptoms, you should see a doctor. In most cases, it takes four to seven days to get better and sometimes longer.

How is Shigella spread?

Shigella is very infectious and spreads easily. The bacteria are in the stool of an infected person, and infection occurs when tiny bits of infected stool get in someone else's mouth. Being exposed to infected stool can occur through sexual contact:

How can you prevent Shigella?

When having sex:

If you have Shigella, how can you prevent giving it to others?

When should you see a doctor?

Contact a doctor if you experience fever, stomach pains or cramps, or diarrhea or loose stools, especially if blood is present.

In some persons, the diarrhea can be very bad and they need to go to hospital. If you have diarrhea, drink lots of fluids to avoid dehydration.

What is the treatment for Shigella?

Persons with Shigella infections can be treated with antibiotics to speed recovery and to help prevent others from getting it.

Ways to reduce your risk of getting a sexually transmitted disease

Important facts about condoms

Putting on a male condom

Putting on a female condom

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