It's possible you will experience slight withdrawal symptoms. Everyone's different and it depends on your metabolism and history with these types of medications. The worst thing about pain meds is that they're an opiate which involves a physical withdrawal period that isn't always pleasant.
No. There will be no side effects.
Opates are natural substances.
If they are used for very long periods of time withdrawing the opiate can cause various aches and pains.
Some side effects. If you are healthy enough, it should feel like tingling sensations.