A 33-year-old member asked:
how many milligrams of fluoride a day would a child need to swallow to develop fluorosis?
2 doctor answers • 2 doctors weighed in
Dr. Jay Park answered
Pediatrics 50 years experience
Too much fluoride: Daily intake level over 1 mg/kg/day in children up to age 8 results in fluorosis. For children older than 8 years, upper limit has been set at 10 mg per day.
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Dr. Alan Levine answered
Pediatrics 34 years experience
Depends......: Depends on the age and amount of Fluoride in the water. Recommended upper limits in water without added Fluoride are: 6mos-3yrs: 0.25mg/day; 3-6yrs 0.5mg/day; 6-16 yrs. 1.0mg/day more than that on a regular basis would increase the risk of developing fluorosis. The usual upper limit would be above 5.0ppm.
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Last updated Jun 25, 2014
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