Opioids are drugs that can be used to relieve pain. They have similar effects as depressant drugs, slowing down the central nervous system, and lowering the heart rate, breathing and blood pressure. Taking too many or too much of an opioid is dangerous and so is taking them with any depressant type drug. Some common opioids are heroin, methadone, and tramadol.
Opiate Pain Killers
These are medicines that are used to treat severe pain. As well as taking away pain they can make people feel relaxed and sleepy. They can also make you feel drowsy, sick and confused. Although these types are weaker than heroin and methadone, they can still causes all the typical opiate effects.
Class C drug without prescription.