Opioids are a class of drugs that derive from, or mimic, natural substances found in the opium poppy plant. Opioids work on opioid receptors in the brain and other organs to produce a …

Opioids (sometimes called narcotics) are a class of drugs healthcare providers prescribe to manage moderate to severe pain. They also sometimes prescribe opioids for chronic coughing …

芬太尼 是一种合成的阿片类药物，其结构类似于芳基哌啶。 它是一种强效 μ-r 受体激动剂，比吗啡强 80-100 倍，起效快，作用持续时间比吗啡短。 它在肝脏中通过 CYP3A4 酶代谢为化合物 …

2023年8月26日 · Opioids are a broad group of pain-relieving medicines that work with your brain cells. Opioids can be made from the poppy plant — for example, morphine (Duramorph, MS …

2025年1月8日 · Opioids are a class of natural, semi-synthetic, and synthetic drugs. These include both prescription medications used to treat pain and illegal drugs like heroin. Opioids are …

Prescription opioids, when legally prescribed by a doctor and used as directed, can relax the body and relieve symptoms of an illness, an injury or a surgical procedure, such as: Post-surgical …

2023年8月26日 · 阿片类药物是一大类作用于脑细胞的止痛药物。 阿片类药物可以从罂粟植株中提取，—比如吗啡（Duramorph、MS Contin 等）。 阿片类药物也可以在实验室制造，—比如 …

2022年12月16日 · HHS continues to support science- and community-based efforts to combat the opioid crisis. Download the graphic. More than 760,000 people have died since 1999 from a …

2025年3月18日 · opioid, class of drugs derived from substances that occur naturally in the opium poppy (Papaver somniferum) and that are widely used for pain relief and sedation. Opioid …

2024年3月27日 · Prescription opioids used for pain relief are generally safe when taken for a short time and as prescribed by your provider. However, people who take opioids are at risk for …