Final answer:
Opiates and opioids like morphine, codeine, heroin, methadone, and oxycodone have distinct signs and symptoms, both physical and psychological. Withdrawal from these substances can also cause various symptoms.
Step-by-step explanation:
Opiates such as morphine and codeine, as well as opioids like heroin, methadone, and oxycodone, have specific signs and symptoms. People who use opiates and opioids may experience a range of physical and psychological effects.
Physical symptoms include drowsiness, constipation, pinpoint pupils, slowed breathing, and reduced heart rate. Psychological symptoms may include feelings of euphoria, confusion, depression, and decreased motivation.
It's important to note that withdrawal from opiates and opioids can occur after prolonged use, and symptoms may include restlessness, muscle and bone pain, insomnia, diarrhea, and vomiting.