Hyslinga is extended release hydrocodone. If vicodin was an effective opiate for you previously, changing over to Hyslinga may work well for you.
There are dosage adjustments made for cross tolerance when switching from one opiate to another, so there should be little to no issues regarding withdrawal.
Switching to a different opiate simply replaces one for another, in Hope's of better effectiveness and reducing the need to increase doses as fast as staying on the same opiate for years often causes.