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Snorted up cold water into nose. Are there DEADLY AMOEBAS?

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I am concerned because I accidentally snorted cold tap water up my nose. I know there are deadly ameobas that can contaimate drinking water. I live in NYC.

Category: Family Physician-GP

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Category: HIV- AIDS Specialist
 30 Doctors Online

Thank you for your query at

I understand your concern but please do not worry.
Tap water is free from contaminants as it undergoes stringent decontamination measures.
Amoebae like Acanthamoeba nad Naegleria can be found commonly in natural water bodies like lakes, ponds etc.
Moreover, infections with these are quite rare.

Practically, there is no risk of amoebic infections from tap water. Even if we say that the water was contaminated, infection is highly unlikely because the risk of infection is approximately 2.6 cases per million exposures. This is around 0.00026 % which is good as nil.
So please be rest assured that you have nothing to worry.

I hope this was helpful.
Feel free to ask queries.


Dr. Jaydeep Tripathy
Category: HIV- AIDS Specialist
MBBS from Sri Ramachandra University in December 2011
M.Med (Family Medicine) - TNMGR University, Chennai
MBA-MPH in Public Health in March 2016, SRM University
Finished AFIH in March 2016, SRM University
MRCP ( UK ), Internal Medicine, Royal College of Physicians, June 2016
Fellowship in Diabetology from Martin Luther University in January 2017

Currently Resident Physician, in MD Radiodiagnosis - Kamakshi Memorial Hospital, Chennai
Dr. Jaydeep Tripathy and 4 other Medical Specialists are ready to help you

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