There are many different types of painkillers. The type you need depends on the type of pain you have.
There are different types of opioid painkillers. The type and dose you take depends on how severe your pain is. You can take opioid painkillers for mild, moderate and severe pain.
You might take non opioid painkillers for mild to moderate pain. You can also take them alongside stronger painkillers for more severe pain. There are different types.
Your doctor might give you other drugs to take alongside painkillers. These are sometimes called co analgesics or adjuvant analgesics. There are different types.