Morphine is a powerful pain-relieving medication classified as an opiate narcotic. It is derived from the opium poppy plant and is commonly used for the treatment of severe pain, such as that experienced after surgery or in individuals with advanced stages of certain medical conditions.
Opiate narcotics, also known as opioids, act on the opioid receptors in the brain and body, producing analgesic (pain-relieving) effects. They can also induce feelings of euphoria and sedation, which can lead to their misuse and addiction.
LSD (lysergic acid diethylamide) is a hallucinogenic drug, not an opiate narcotic. Barbiturates are a class of central nervous system depressants that are used as sedatives or hypnotics but are not opiate narcotics. Amphetamines are stimulant drugs that increase alertness and energy levels but are not opiate narcotics either.