Can hydrocodone, other painkillers, and marijuana have dangerous effects with anesthesia?

I have taken hydrocodone and tramadol, as well as some antihistamines, on about 5 occasions within two weeks of surgery when I will be going under general anesthesia. I have also used marijuana occasionally. I did not tell the nurse about the hydrocodone and tramadol because she was asking about my drug use right in front of my mother (pretty stupid as most kids aren’t going to tell their whole story of drug use in front of their mom), although she did want specific information about my marijuana use.

Could using these drugs this far before surgery have an effect on anesthesia? I have no addiction, so withdrawal would not be an issue. They didn’t make much of an issue of alcohol with the exception of poisoning my liver right before surgery, so I am thinking maybe these drugs aren’t an issue as long as I don’t take them right before surgery. Thanks a lot.

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