Can Cancer Patients Take Painkillers?

Can Cancer Patients Take Painkillers? Opioids are highly effective medicines for relieving cancer pain. These include morphine, fentanyl, codeine, oxycodone, hydromorphone, and methadone. Some people fear the potency of morphine in particular. What painkillers can I take with cancer? Tramadol (Ultram) Hydromorphone (Dilaudid) Methadone (Dolophine, Methadose) Morphine (Apokyn, Avinza, Kadian, MS-Contin, and others) Oxycodone (OxyContin,