What is the strongest med.: percocet, fentanyl patch, dilaudid, or norco (hydrocodone and acetaminophen)?

Strongest opiate: Fentanyl is the strongest followed by dilaudid, Percocet and narco. However, over time every opiate produces tolerance and withdrawals if stopped abruptly. They are usually never a long term solution for chronic non cancer pain. Fentanyl hsbc a black box warning to be used only for cancer pain in a patch form. It is used IV for intra operative pain during surgery.

Thanks for asking!: Depends on dose and mode of administration. Iv administered narcotics are most potent. As for dosage, fentanyl is the most potent of the listed medication.