Following the patch, a flavored lollipop of fentanyl citrate mixed with inert fillers was introduced in 1998 under the brand name Actiq, becoming the first quick-acting formation of fentanyl for use with chronic breakthrough pain. After a set of successful clinical trials, Duragesic fentanyl patches were introduced into medical practice. Fentanyl and fentanyl analogues can be qualitatively detected in drug samples using commercially available fentanyl testing strips or spot reagents.
There is always a risk when you use opioids. If you buy drugs illegally, there is a chance fentanyl can be in them. The U.S. Drug Enforcement Administration estimates more than 258,000 people died from fentanyl overdose between 2013 and 2021.

Pain Management
It is norfentanyl that forms fentanyl upon reaction with a phenethyl halide. The original synthesis as patented in 1964 by Paul Janssen involves the synthesis of benzylfentanyl from N-benzyl-4-Piperidone. The sensitivity and specificity of fentanyl test strips vary depending on the concentration of fentanyl tested, particularly from 10 to 250 ng/mL.
It Is Safe To Respond To Fentanyl Overdose?
People who take fentanyl may develop a tolerance to high doses, meaning that more of the drug is needed to achieve the desired effect. For someone who is addicted to fentanyl, withdrawal symptoms can start as early as a few hours after they stop taking it. Physical dependence results in withdrawal symptoms when individuals suddenly stop taking the drug. People may consider talking with a therapist for support with their medication use if medication is part of their treatment. Discarded fentanyl patches may still contain significant amounts of the drug.

What Are The Signs Of Fentanyl Overdose?
Medications for opioid addiction work on the brain by interacting with the same receptors that opioids affect and causing different effects. It's one of the most common drugs involved in overdose deaths. Mixing fentanyl with any drug is risky, but some drugs pose a serious danger if you take them alongside fentanyl. This overdose rate has continued to rise in part because fentanyl is often mixed into or sold as other drugs.
Older Black Men Are Disproportionately Affected By The Overdose Crisis
Depending on a person’s size, tolerance and history of drug use, 2 milligrams of fentanyl can be deadly. Fentanyl is a synthetic opioid. It is an effective medication for managing severe pain when properly prescribed and monitored by a clinician. Fentanyl is estimated to be about 100 times more potent than morphine and 50 times more potent than heroin as a pain reliever. Do not let anyone else use your medication, even if he or she has the same symptoms that you have.Selling or giving away this medication may cause severe harm or death to others and is against the law.
Why Is Fentanyl Dangerous?

Doctors prescribe it to help treat pain. Fentanyl changes the way your nervous system and brain respond to pain. First responders will likely administer naloxone if you haven’t already, or give it to them again.
You could inject a lot more fentanyl than you thought. Dealers may sell it as a standalone drug or as a counterfeit for another drug (like oxycodone). The drug can be manufactured illegally. This more recent version of fentanyl comes in bright colors. Information provided by NIDA is not a substitute for professional medical care or legal consultation. This can raise their risk of serious or even deadly pregnancy complications.
- In an attempt to reduce the number of overdoses from taking other drugs mixed with fentanyl, drug testing kits, strips, and labs are available.
- The Russian Health Minister later stated that the gas was based on fentanyl, but the exact chemical agent has not been clearly identified.
- A urine test was positive for both fentanyl and cocaine (from Joynt & Wand, 2021).
- Whereas opioids like codeine, hydrocodone, oxycodone, and hydromorphone are synthesized by simple modifications of morphine, fentanyl, and its relatives are synthesized by modifications of meperidine.
- As with other opioid drugs, fentanyl binds to the receptors in the brain that affect pain and emotion.
- Many may be worried about stopping prescription fentanyl due to fear of withdrawal symptoms.
Adverse Effects

One line is a positive result and means there is fentanyl in your drug supply. But these tips can reduce some of that risk and lower your chances of overdose, infection, or other problem. Sometimes people freeze fentanyl patches and cut them into smaller portions. Some people take fentanyl illegally by separating it from skin patches and injecting it.
More In: The Opioid Epidemic: America’s Deadliest Drug Overdose Crisis
In a 2020 report by the Australian Institute of Criminology, a 100-microgram transdermal patch was valued from between AU$75 and AU$450 on illicit markets. As of 2023, the average cost for an injectable fentanyl solution (50 mcg/mL) is around US$17 for a supply of 20 milliliters, depending on the pharmacy. In January 2025, President Trump said that tariffs on Mexico were intended to reduce the U.S. trade deficit and force the country to secure its border with the U.S. against fentanyl smuggling and illegal immigration. Based on further research by investigators, fentanyl and analogues are likely synthesized in labs that have the appearance of a legal entity, or are diverted from pharmaceutical laboratories. According to the national archives and the DEA, direct fentanyl shipments from China have stopped since 2022. The response by the federal government to the fentanyl crisis had also faltered, according to the press release.
- Although fentanyl is more powerful than other opioid drugs, standard-strength naloxone (e.g., Narcan®, RiVive®) still works to reverse the drug’s effects in most people who overdose from fentanyl.
- Signs of an overdose can show up within seconds of taking fentanyl.
- They killed more than 19,000 Americans in 2016, topping heroin (15,000) and prescription opioids (14,000) for the first time.
- Starting the process takes little more than Googling “fentanyl for sale.”
- According to the report, most of this fentanyl originates in China.
- According to the CDC, the first wave of the opioid overdose epidemic started in the 1990s with the abuse of prescription opioids.
How Do People Take Fentanyl?
Using formaldehyde and sulfuric acid, the solution will turn purple when introduced to opium drugs. It attenuates "second pain" with primary effects on slow-conducting, unmyelinated C-fibers and is less effective on neuropathic pain and "first pain" signals through small, myelinated A-fibers. When fentanyl binds, downstream signaling leads to inhibitory effects, such as decreased cAMP production, decreased calcium ion influx, and increased potassium efflux. Fentanyl analogs are types of fentanyl with various chemical modifications on any number of positions of the molecule, but still maintain, or even exceed, its pharmacological effects.
Naloxone acts quickly to reverse the effects of an opioid overdose, but opioids last much longer than naloxone. Do not use a larger dose of fentanyl, use the medication more often, or use it for a longer period of time than prescribed by your doctor.While using fentanyl, discuss with your health care provider your pain treatment goals, length of treatment, and other ways to manage your pain. The risk of overdose, people in his camp argue, is high because drugs are a poorly regulated product sold by unscrupulous middlemen.
Recovery is possible with the proper support and treatment. If you or someone you know is struggling with fentanyl use, it is essential to seek professional help. If using fentanyl under a doctor’s care, communicate openly with them about any concerns. If you suspect someone is overdosing on fentanyl, call emergency services immediately. You are likely to start feeling these within 24 hours of stopping the medication. There is a high probability a person will have withdrawal symptoms after two weeks of use.
General Health
The "China White" form of fentanyl refers to any of a number of clandestinely produced analogues, especially α-methylfentanyl (AMF). The 254 pounds (115 kg) of fentanyl, which was estimated to be worth US$3.5M, was concealed in a compartment under a false floor of a truck transporting cucumbers. A seizure of a record amount of fentanyl occurred on 2 February 2019, by U.S. The accused owned a tablet press and ordered fentanyl in powder form from China. Many of the compounds used to manufacture fentanyl have legitimate industrial applications, classifying them as dual-use chemicals.