Intravenous fentanyl is often used for anesthesia and as an analgesic. To induce anesthesia, it is given with a sedative-hypnotic, like propofol or thiopental, and a euphoria. To maintain anesthesia, inhaled anesthetics and … 展开

Fentanyl's most common side effects, which affect more than 10% of people, include nausea, vomiting, constipation, dry mouth, somnolence, confusion, and asthenia (weakness). Less frequently, in 3–10% of people, fentanyl … 展开

Fentanyl poses an exceptionally high overdose risk in humans, since the amount required to cause toxicity is unpredictable. In its pharmaceutical form, most overdose deaths attributed solely to fentanyl occur at serum concentrations … 展开

Fentanyl is a synthetic opioid in the phenylpiperidine family, which includes sufentanil, alfentanil, remifentanil, and carfentanil. Some fentanyl analogues, such as carfentanil, are up to 10,000 times stronger than mo… 展开