Painkillers being powerful substances that effectively treat chronic pain are likely to create dependence, which over a long term might lead to addiction. They are often sold as over the counter commodities and are abused easily for recreational use. However, not all pain-relief substances have the same potential for abuse.
In this regard, the legitimate need to relieve pain against the potential of abuse and addiction needs to be considered and people with chronic pain should have access to pain-relief substances only under a doctor's supervision. Source: The Dispatch