a message informing of danger. 1  making known, 2  heads-up, 3  wake-up call, 4  false alarm, 5  alerting, 6  alert, 7  informing, 8  threat, 9  caution, 10  caveat, 11  alarmism, 12  premonition, 13  strategic warning, 14  forewarning, 15  tactical warning.
meperidine is an opioid pain medication an opioid is sometimes called a narcotic meperidine is used to treat moderate to severe pain meperidine may also be used for purposes not listed in this medication guide
Street drugs, such as meperidine, sometimes contain the toxic chemical 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine, or MPTP, which causes a breakdown of dopamine-expressing neurons, resulting in low dopamine levels, reports Spencer Cole, the author of New Research on Street Drugs..