Most Common Bacteria on Toilet Seats

Updated December 12, 2017

Bathrooms are a breeding ground for bacteria.They are moist places where bacteria can thrive. Most of the varieties of bacteria found living on toilet seats are transmitted through faeces. Unless a person has an open sore that comes in contact with the bacteria, or if he fails to properly wash his hands, these bacteria should not harm a person.


This bacteria found on toilet seats is found in fecal matter. It causes severe food poisoning. You know if you have been infected by this bacteria because you may have bloody diarrhoea, a fever and stomach cramps, which can last for up to a week. Shigellosis is diagnosed with a stool sample and it can be treated with antibiotics.

E. coli

E. coli is another bacteria that lives on toilet seats. This causes bloody diarrhoea and can lead to kidney failure and death. The symptoms are nausea and vomiting so most people assume they have the flu. E. coli is transmitted through faeces, so this bacteria lives on toilet seats that have come in contact with it.

Hepatitis A

Hepatitis A lives on toilet seats and can be transferred through fecal matter. There have been instances in which several people at a restaurant have got sick because someone preparing the food did not wash his hands after using rest room. Hepatitis A affects the liver and symptoms may not show up for a few weeks. You will feel tired, have a fever, sore ribs, and may experience weight loss. No medicine is needed because it will go away after time.

The common cold

Bacteria that cause the common cold live on toilet seats. This causes sneezing, coughing, runny nose and other symptoms associated with the cold. There is no cure for the cold, but symptoms can be eased with over-the-counter medicines.

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About the Author

Natalie Saar began writing professionally at the age of 19. She majored in journalism and her writing has appeared in the magazine "Generation WHY" as well as "The Clause" newspaper. Saar graduated from the University of California, Riverside with a Bachelor of Arts in media and cultural studies.