Nociceptive stimulation prevents development of tolerance to narcotic analgesia.
D000701:Analgesics, Opioid / Q000494:pharmacology*; D000818:Animals; D004361:Drug Tolerance; D005283:Fentanyl / Q000494:pharmacology; D010146:Pain / Q000503:physiopathology*; D010812:Physical Stimulation; D051381:Rats; D011930:Reaction Time / Q000187:drug effects
D000701:Analgesics, Opioid; D005283:Fentanyl