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Thread: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

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    Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    For the first time since I started to stock up on antibiotics and some other meds incase the SHTF I am having to dip into them. I think I am coming down with a nasty upper respiratory infection.

    I bought a bunch of the Fish Flex antibiotics and the damn Cephalexin which is what is recommended in this situation expired on 08/2010. 6 months after the expiration date I think I will be alright taking them. I plan to take 1 twice a day for ten days.

    So am I dumb to do this or will I live to see next week taking them?
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    Great Value Carrots zap's Avatar
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    Re: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    I think you will live. I don't know how well they work, I know he tried them and they didn't work at all.


    Good Luck
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    Rebel Without a Clue sirgonzo420's Avatar
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    Re: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    Many antibiotics, such as erythromycin, turn toxic past expiration.

    How long past expiration, I'm not at liberty to say.


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    Rebel Without a Clue sirgonzo420's Avatar
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    Re: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    Also, even if they don't become toxic, virtually all antibiotics degrade and become less potent over time, which makes them less effective in fighting bacteria and may end up making the bacteria stronger, depending on the level of degredation.


    But I'm not a medical doctor.

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    Re: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    antibiotics are notoriously unstable. Gotta keep them in dark,cool and dry place I guess.

    before playing with expired antibiotics, use google search and find out what is in store for you.
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    Re: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    Since the S has not HTF yet, why not just buy fresh fish meds ?

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    Re: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    "Don't pluck with your brain, pal. It ain't worth it"
    Why do you strive so hard to live a long life, when you haven't tried to lead a good life? ~a'Kempis

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    Re: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    These have been stored in a dark cool and dry place the entire time I have had them.

    The reason I haven't gone out to buy more is because so far everything I am finding on Google is showing these don't go toxic like some other antibiotics, and that yes they do lose a little of their potency over time.

    I was just wondering if anyone has experience in this type of situation with antibiotics from this forum.

    I guess I will report back with the results in a few days if I go through with it. I may wait another 24 hours to see how I feel tomorrow evening.

    Anyone have any good natural remedies for a possible upper respiratory infection?
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    Iridium ximmy's Avatar
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    Re: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    ok...
    Why do you strive so hard to live a long life, when you haven't tried to lead a good life? ~a'Kempis

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    Re: Safe to use Cephalexin (Antibiotic) 6 months past expiration date? Yes or no?

    I did about 3 weeks ago Cephalexin was over 2 yrs past exp date.

    I had an infection on my leg and I 'm still here.

    This is not to say you should do it however I haven't noticed any harm as of yet.

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