Q: Is there any contraindication using Conolidine if getting Jantovan, blood thinner. thanks.. A: There is limited knowledge on contraindications concerning Conolidine and blood thinners like Jantovan. This report describes opioid overdose deaths during July-December 2016 that tested good for fentanyl, fentanyl analogs, or U-47700, an illicit synthetic opioid, https://fernandoivbzb.blogoscience.com/38460644/the-greatest-guide-to-conolidine