Can black cohosh interfere with prescription muscle relaxers?

I hurt my foot about a week ago, and I'm on muscle relaxers (namely, methocarbamal). I haven't really had trouble with feeling dizzy or spacey until today. The only thing I've done differently is take some black cohosh for my PMS. All day I've felt like I was drugged: really tired and draggy, really... show more I hurt my foot about a week ago, and I'm on muscle relaxers (namely, methocarbamal). I haven't really had trouble with feeling dizzy or spacey until today. The only thing I've done differently is take some black cohosh for my PMS. All day I've felt like I was drugged: really tired and draggy, really light-headed and spaced out. Could it be the black cohosh? I'm afraid to take any more!
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