I've had terrible experiences going off meds suddenly.
The general rule is that if you remember your medes within 6 hours of when you are supposed to take them, you can take them. Any later than that, skip the dose and take the next one.

But check with your pdoc.
There are plenty threads on here about stopping meds suddenly and without a pdoc watching over you.
You do know it's bad for you. Don't put yourself through this.