Specific compounds existing in grapefruit are known to inhibit CYP450 3A4 and should increase the bioavailability of swallowed fentanyl (reportedly nearly 75% of a dose) and PecFent injection is often administered intravenously either for a bolus or by infusion & by intramuscular route also. The dose of fentanyl must be https://lorenzceutique.com/