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A 19-year-old female asked:

Wht is the effect if a person with moderate vomiting and diarrhea is infused with 0.5 to 1l of 0.9% nacl? is the nacl isotonic?

1 doctor answer1 doctor weighed in
Dr. Michael Ein
Infectious Disease 48 years experience
Rehydration/Yes: 0.9% or Normal Saline is isotonic. It is given if a patient with diarrhea and vomitting is felt to be dehydrated to help rehydrate and that is the effect it has.

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Last updated Jun 30, 2014

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