SAMHSA leads efforts to advance behavioral health across the U.S., offering resources for mental health, substance use, and community well-being.

Jun 6, 2025 — Fentanyl is a powerful synthetic opioid analgesic that is similar to morphine but is 50 to 100 times more potent. It is a Schedule II ...

Fentanyl is a potent synthetic opioid drug approved by the Food and Drug Administration for use as an analgesic (pain relief) and anesthetic.

Fentanyl depresses central nervous system (CNS) and respiratory function. Exposure to fentanyl may be fatal. Fentanyl is estimated to be 80 times as potent ...

Sep 15, 2025 — Fentanyl patches may cause serious or life-threatening breathing problems, especially during the first 24 to 72 hours of your treatment and any time your dose ...

For comparison, the number of overdose deaths involving synthetic opioids (excluding methadone) was 3,105 in 2013. While the synthetic opioid category does ...

Fentanyl injection is used to relieve severe pain during and after surgery. It is also used with other medicines just before or during an operation.

Apr 22, 2024 — About fentanyl, an opioid, short-term and long-term mental and physical effects, risks, addiction, withdrawal, overdose risk and use of ...

Many individuals consume fentanyl without knowledge while others use it intentionally because of its potency. Overdose deaths involving fentanyl have quadrupled ...

Apr 22, 2024 — Fentanyl is a very potent opioid pain reliever. A few grains can be enough to kill you. Fentanyl is usually used in a hospital setting.

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May 27, 2025 — Fentanyl test strips can show if a drug contains fentanyl. Naloxone can reverse an overdose. ​What is fentanyl? Fentanyl is a synthetic opioid ...

Fentanyl is a highly potent synthetic opioid of the piperidine family, used primarily as pain medication. It is 30 to 50 times more potent than heroin and ...

This information is for the public who might be near smoke from fentanyl or encounter fentanyl pills, powder, or liquid in public spaces.

NHS medicines information on fentanyl – what it's used for, side effects, dosage and who can take it.

Fentanyl is an opioid analgesic used in anesthesia, for breakthrough cancer pain, or round the clock pain management.

Oct 27, 2025 — Wisconsin's opioid epidemic began more than 20 years ago. It started with the overprescribing of prescription pain relievers.

Synthetic opioids, including fentanyl, are now the most common drugs involved in drug overdose deaths in the United States. In 2017, 59 percent of opioid- ...

Fentanyl is often mixed into other drugs like heroin, cocaine, crack, and pills before purchase. Fentanyl can't be detected by sight, taste, or smell. Synthetic ...

Apr 25, 2025 — Idaho has seen an increase in fentanyl-related overdoses and overdose deaths. Understanding the risks of fentanyl within illicit drugs is ...