Eli5 – why do you take antibiotics as a course and not all at once?

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I’ve just started an antibiotics course which is 4 times a day for 10 days and that got me wondering if they would be just as effective if I took them all and why not.

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Anonymous 0 Comments

Similar to why you can’t just drink a whole lifetimes worth of water at once and never have to drink again (assuming you survived). Your body can only use so much, and the rest doesn’t get “stored” for later use, it just gets filtered out.

Plus, antibiotics can mess with your gut biome if you take too much at once.

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