You meant hydrocodone right? You did not say what your tolerance is so it's hard to say. If you are a frequent user, it could well be that your tolerance has risen and that's why you're not feeling anything now.
You're best asking that in basic Drug Discussion as this is the sub-forum for introducing yourself to the site.
We can't really answer your question because you haven't given us much information. Do you use often, whether medically or recreationally? That could increase tolerance and prevent you getting high. Have you eat a heavy meal? put on weight? started taken any other medication or substances that may lesson its affects?
You meant hydrocodone right? You did not say what your tolerance is so it's hard to say. If you are a frequent user, it could well be that your tolerance has risen and that's why you're not feeling anything now.