Thank you for your query at DoctorSpring.com
I understand your concern.
Do not worry. It won't kill you. Just be careful about the following symptoms :
: Slow heart rate, shallow breathing, breathing difficulties
: Excessive drowsiness, weakness in the limbs,
You should skip the night dose, and also skip oxycodone for today. Continue the next dose tomorrow as scheduled. Such kind of mistakes may happen and you have not consumed any dangerously high level to cause severe symptoms.
Please revert back to me if you feel any of the symptoms mentioned above,