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Thread: Warning about new formulation of bactrim (smz-tmp, septra, and others)

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    Administrator bpatters's Avatar
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    Warning about new formulation of bactrim (smz-tmp, septra, and others)

    If your pig is prescribed Bactrim (also known as SMZ-TMP, Septra, Sulfamethoxazole and trimethoprim), it has a new formulation, and at least two prescribing errors have occurred at vets' offices.

    The old formulation was 240 mg/5 ml, or 48 mg/ml. The new formulation is 400 mg/ml, which is nearly TEN times as strong, and can result in a massive overdose to your pig. The old formulation is pink, the new one is goldish-beige.

    If your pig is prescribed Bactrim, DO NOT LEAVE THE VET'S OFFICE without being sure that the dose that has been prescribed matches the strength of the medication.

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    Cavy Slave
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    Re: Warning about new formulation of bactrim (smz-tmp, septra, and others)

    Thanks for the warning, good to know!

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    Cavy Slave Kensium's Avatar
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    Re: Warning about new formulation of bactrim (smz-tmp, septra, and others)

    Thank you so much! If I hadn't seen this, my boar could have OD'd!

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    Administrator bpatters's Avatar
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    Re: Warning about new formulation of bactrim (smz-tmp, septra, and others)

    Could you do me a favor? If your pig has been prescribed this stuff, could you call the vet and ask where they got it? And maybe get us a picture of the label as it comes from the company?

    Thanks!

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