# Rant about antibiotics spun off another thread

**URL:** <https://boards.straightdope.com/t/rant-about-antibiotics-spun-off-another-thread/1031562>\
**Category:** In My Humble Opinion\
**Created:** [July 10, 2026, 11:45am UTC](https://boards.straightdope.com/t/rant-about-antibiotics-spun-off-another-thread/1031562 "2026-07-10T11:45:11Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![nearwildheaven](https://avatars.discourse-cdn.com/v4/letter/n/90db22/32.png) [@nearwildheaven](https://boards.straightdope.com/u/nearwildheaven)\
**Post date:** [July 11, 2026, 3:05am UTC](https://boards.straightdope.com/t/rant-about-antibiotics-spun-off-another-thread/1031562/21 "2026-07-11T03:05:43Z")

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If you read down a ways, the practice was banned in the U.S. in 2017, but I’m sure other countries use it. Some dentists have also used very low doses of doxycycline to treat gingivitis; I remember telling a hygienist that yes, we had received and filled prescriptions for 20mg twice a day, a small percentage of the therapeutic dose, but none of the people had ever picked them up.

> **[Tetracyclines in Food and Feedingstuffs: From Regulation to Analytical...](https://pmc.ncbi.nlm.nih.gov/articles/PMC5266830/)**
>
> Antibiotics are widely used as growth promoters in animal husbandry; among them, the tetracyclines are a chemical group of relevance, due to their wide use in agriculture, surpassing in quantities applied almost every other antibiotic family. Seeing...

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