Answer:
Narcotics
Explanation:
Narcotics are drugs that produce analgesics effect (release the pain). They also causes narcosis effect in which a person feels very sleepy or in hallucination. Also these class of drugs make a person dependent on drug and alter their mood or behaviour. In USA narcotics is termed as opium.
Enhanced usage of narcotics causes – nausea, respiratory issues, constipation, addiction etc.
