How Long Does It Take to Die from Dehydration?
It takes an average of 3 to 10 days for a body to stand without water. Symptoms of dehydration include hypotension, dizziness, fainting, delirium, unconsciousness, swelling of the tongue, and death.
Dehydration will take roughly a week to at most 10 days to kill a person. You may die faster depending on the environment you are in as well.
Ordinarily, one can die from dehydration within two to three days. This may be influenced by multitude of factors, like body's surface area, the age of the person and his or her health status.