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Antibiotics Harm Gut for 8 Years
5 Sep
Summary
- A single antibiotic course can alter gut bacteria for up to eight years.
- Gut bacteria impact insulin sensitivity, mood, weight, and immunity.
- India is the world's largest consumer of antibiotics.
A single course of antibiotics, even for non-bacterial infections, can profoundly alter the gut microbiome for as long as seven to eight years. This significant disruption, particularly noted with fluoroquinolones, can lead to several adverse health effects.
These changes impact insulin sensitivity, as beneficial gut bacteria crucial for producing short-chain fatty acids are reduced, potentially worsening insulin resistance by up to 90%. Mood can also be affected, as the gut produces 90% of the body's serotonin, impacting sleep and increasing anxiety.
Further consequences include weight gain due to altered bacteria extracting more energy from food, and a weakened immune system, as 70% of immunity resides in the gut. India stands out as the largest global consumer of antibiotics, with widespread over-the-counter use for viral illnesses, raising concerns about antimicrobial resistance.
Physicians urge careful antibiotic use, recommending them only when medically necessary to prevent long-term health consequences and the growing threat of antimicrobial resistance.
