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Histamine H1 receptor antagonists enhance the efficacy of antibacterials against Escherichia coli

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BackgroundH1 receptor antagonists are commonly used for the treatment of allergic diseases. The aim of this study was to find out, if antihistaminic compounds like mepyramine have the ability to… Click to show full abstract

BackgroundH1 receptor antagonists are commonly used for the treatment of allergic diseases. The aim of this study was to find out, if antihistaminic compounds like mepyramine have the ability to influence the activity of antibacterials. Therefore, the checkerboard method was chosen to detect these possible effects in vitro. Studies were performed with two different Escherichia coli (E. coli) strains as test microbes, treated with antibacterials in combination with mepyramine.ResultsThe minimum inhibitory concentration (MIC) of E. coli ATCC® 25922™ and E. coli PIG 01 was reduced by combinations of the tested antibacterials with mepyramine.ConclusionsThese results have to be confirmed in vivo, before the use of antihistamines should be considered as potential way to minimize the amount of used antibacterials for treatment of E. coli infections.

Keywords: enhance efficacy; escherichia coli; antagonists enhance; receptor antagonists; histamine receptor

Journal Title: BMC Veterinary Research
Year Published: 2019

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