It is a prescription drug that is also made and used illegally. Like morphine, it is a medicine that is typically used to treat patients with severe pain, especially after surgery. It is also sometimes used to treat patients with chronic pain who are physically tolerant to other opioids. Tolerance occurs when you need a higher and/or more frequent amount of a drug to get the desired effects.
In its prescription form, fentanyl is known by such names as Actiq®, Duragesic®, and Sublimaze®.
Synthetic opioids, including fentanyl, are now the most common drugs involved in drug overdose deaths in the United States.
What are Opioids?
Opioids are a class of drugs naturally found in the opium poppy plant. Some opioids are made from the plant directly, and others, like fentanyl, are made by scientists in labs using the same chemical structure (semi-synthetic or synthetic).
How do people use fentanyl?
When prescribed by a doctor, fentanyl can be given as a shot, a patch that is put on a person’s skin, or as lozenges that are sucked like cough drops.
The illegally used fentanyl most often associated with recent overdoses is made in labs. This synthetic fentanyl is sold illegally as a powder, dropped onto blotter paper, put in eye droppers and nasal sprays, or made into pills that look like other prescription opioids.
Some drug dealers are mixing fentanyl with other drugs, such as heroin, cocaine, methamphetamine, and MDMA. This is because it takes very little to produce a high with fentanyl, making it a cheaper option. This is especially risky when people taking drugs don’t realize they might contain fentanyl as a cheap but dangerous additive. They might be taking stronger opioids than their bodies are used to and can be more likely to overdose. To learn more about the mixture of fentanyl into other drugs, visit the Drug Enforcement Administration’s Drug Facts on fentanyl.
How does fentanyl affect the brain?
Like heroin, morphine, and other opioid drugs, fentanyl works by binding to the body’s opioid receptors, which are found in areas of the brain that control pain and emotions.8 After taking opioids many times, the brain adapts to the drug, diminishing its sensitivity, making it hard to feel pleasure from anything besides the drug. When people become addicted, drug seeking and drug use take over their lives.
Fentanyl’s effects include
extreme happiness
drowsiness
nausea
confusion
constipation
sedation
problems breathing
unconsciousness
Can you overdose on fentanyl?
Yes, a person can overdose on fentanyl. An overdose occurs when a drug produces serious adverse effects and life-threatening symptoms. When people overdose on fentanyl, their breathing can slow or stop. This can decrease the amount of oxygen that reaches the brain, a condition called hypoxia. Hypoxia can lead to a coma and permanent brain damage, and even death.
How can a fentanyl overdose be treated?
As mentioned above, many drug dealers mix the cheaper fentanyl with other drugs like heroin, cocaine, MDMA and methamphetamine to increase their profits, making it often difficult to know which drug is causing the overdose. Naloxone is a medicine that can treat a fentanyl overdose when given right away. It works by rapidly binding to opioid receptors and blocking the effects of opioid drugs. But fentanyl is stronger than other opioid drugs like morphine and might require multiple doses of naloxone.
Because of this, if you suspect someone has overdosed, the most important step to take is to call 911 so they can receive immediate medical attention. Once medical personnel arrive, they will administer naloxone if they suspect an opioid drug is involved.
People who are given naloxone should be monitored for another two hours after the last dose of naloxone is given to make sure breathing does not slow or stop.
Some states have passed laws that allow pharmacists to dispense naloxone without a personal prescription. Friends, family, and others in the community can use the nasal spray versions of naloxone to save someone who is overdosing.
Can fentanyl use lead to addiction?
Yes. Fentanyl is addictive because of its potency. A person taking prescription fentanyl as instructed by a doctor can experience dependence, which is characterized by withdrawal symptoms when the drug is stopped. A person can be dependent on a substance without being addicted, but dependence can sometimes lead to addiction.
Addiction is the most severe form of a substance use disorder (SUD). SUDs are characterized by compulsive drug seeking and drug use that can be difficult to control, despite harmful consequences. When someone is addicted to drugs, they continue to use them even though they cause health problems or issues at work, school, or home. An SUD can range from mild to severe.
People addicted to fentanyl who stop using it can have severe withdrawal symptoms that begin as early as a few hours after the drug was last taken. These symptoms include:
muscle and bone pain
sleep problems
diarrhea and vomiting
cold flashes with goose bumps
uncontrollable leg movements
severe cravings
These symptoms can
be extremely uncomfortable and are the reason many people find it so difficult to stop taking fentanyl. There are medicines being developed to help with the withdrawal process for fentanyl and other opioids. The FDA has approved lofexidine, a non-opioid medicine designed to reduce opioid withdrawal symptoms. Also, the NSS-2 Bridge device is a small electrical nerve stimulator placed behind the person’s ear, that can be used to try to ease symptoms for up to five days during the acute withdrawal phase. In December 2018, the FDA cleared a mobile medical application, reSET®, to help treat opioid use disorders. This application is a prescription cognitive behavioral therapy and should be used in conjunction with treatment that includes buprenorphine and contingency management.
How is fentanyl addiction treated?
Like other opioid addictions, medication with behavioral therapies has been shown to be effective in treating people with a fentanyl addiction.
Medications for opioid use disorders—including fentanyl use disorder—are safe, effective, and save lives. These medicines interact with the same opioid receptors in the brain on which fentanyl acts, but they do not produce the same effects.
Methadone, an opioid receptor full agonist, attaches to and activates opioid receptors to ease withdrawal symptoms and cravings.
Buprenorphine, an opioid receptor partial agonist, attaches to and partially activates opioid receptors to ease withdrawal symptoms and cravings.
Naltrexone, an opioid receptor antagonist, prevents fentanyl from attaching to opioid receptors, thus blocking its effects.
Counseling: Behavioral therapies for addiction to opioids like fentanyl can help people modify their attitudes and behaviors related to drug use, increase healthy life skills, and help them stick with their medication. Some examples include:
cognitive behavioral therapy, which helps modify the patient’s drug use expectations and behaviors, and effectively manage triggers and stress
contingency management, which uses a voucher-based system giving patients “points” based on negative drug tests. They can use the points to earn items that encourage healthy living
Motivational interviewing, which is a patient-centered counseling style that addresses a patient’s mixed feelings to change
These behavioral treatment approaches have proven effective, especially when used along with medicines. Read more about drug addiction treatment on the Treatment page.
Points to Remember
Fentanyl is a powerful synthetic opioid analgesic that is similar to morphine but is 50 to 100 times more potent. In its prescription form it is prescribed for pain, but fentanyl is also made illegally.
Fentanyl and other synthetic opioids are the most common drugs involved in overdose deaths.
Illegal fentanyl is sold in the following forms: as a powder, dropped on blotter paper like small candies, in eye droppers or nasal sprays, or made into pills that look like real prescription opioids.
Illegal fentanyl is being mixed with other drugs, such as cocaine, heroin, methamphetamine, and MDMA. This is especially dangerous because people are often unaware that fentanyl has been added.
Fentanyl works by binding to the body’s opioid receptors, which are found in areas of the brain that control pain and emotions. Its effects include extreme happiness, drowsiness, nausea, confusion, constipation, sedation, tolerance, addiction, respiratory depression and arrest, unconsciousness, coma, and death.
The high potency of fentanyl greatly increases risk of overdose, especially if a person who uses drugs is unaware that a powder or pill contains it. They can underestimate the dose of opioids they are taking, resulting in overdose.
Naloxone is a medicine that can be given to a person to reverse a fentanyl overdose. Multiple naloxone doses might be necessary because of fentanyl’s potency.
Medication with behavioral therapies has been shown to be effective in treating people with an addiction to fentanyl and other opioids.
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