Cancels the effects of opioid analgesics. Serious side effects when combined with morphine. Analgesic Medicine used to relieve pain. The brain, spinal cord and nerves throughout the body. Hallucination A false or distorted perception of objects, sounds, or events that seems real.
Hallucinations usually result from drugs or mental disorders.
Inflammation Pain, redness, swelling, and heat that usually develop in response to injury or illness. Narcotic A drug derived from opium or compounds similar to opium. Such drugs are potent pain relievers and can affect mood and behavior. Long-term use of narcotics can lead to dependence and tolerance. Tolerance A decrease in sensitivity to a drug.