Concomitant administration of promethazine products with other respiratory depressants has an Affiliation with respiratory depression, and from time to time death, in pediatric patients. Use Tylenol w/ Codeine (acetaminophen and codeine tablets) as purchased by your health care provider. Read all facts supplied to you. Observe all Directions carefully. Consider https://wockusa.com/product/fentanyl-powder/