The FDA has approved these antidote medications for emergency treatment of patients with known or suspected opioid overdose experiencing respiratory and/or central nervous system (CNS) depression. Common routes of naloxone administration include IV, IM, IN, or subcutaneous (SC). Researchers have recently posed a caveat regarding the intranasal route for naloxone administration. Since the incidence of obstructive nasal pathology is relatively high in patients who experience serious OIRD, there is documentation of relevant instances of treatment failures when using the IN formulations. Fentanyl can be added to heroin for increased potency or be distributed under the guise of highly potent heroin.
Adverse Effects
He told Newsweek his team found 997 of such websites, 260 of which have since been shut down. He said that the 737 that are still online include some which are likely to be scam websites that do not sell drugs at all, though they appear to accept payments. Increasing demand for online pharmaceuticals has in turn raised concerns about the reputability of those who dispense them. ASOP Foundation found that 20 new illicit pharmacy websites are created every day and, in a 2024 survey, found that 54 percent of respondents mistakenly believed that all online pharmacies are FDA approved. The issue of drug safety has come to the fore as more Americans than ever turn to online pharmacies. Buying controlled substances online without a valid prescription may be punishable by imprisonment under Federal law.
Healthcare-Associated Infections Program

As a result, many people may not know they’re ingesting fentanyl, leading to an accidental poisoning. Two important harm reduction tools are the medication naloxone (also known by its brand name Narcan) and fentanyl test strips. CDC drives science, public health research, and data innovation in communities across the country by investing in local initiatives to protect everyone’s health. According to the National Association of Boards of Pharmacy, nearly 95% of websites offering prescription-only drugs online operate illegally.
Fentanyl: One Pill Kills
CDPH works closely with local health departments and multi-sector partners to support local prevention and intervention efforts that address the specific and unique trends and needs of California’s communities. For more information on how to use Fentanyl safely, check out these Fentanyl Use & Overdose Prevention Tips. Explore our resource library for practical resources to promote the health and dignity of people affected by drug use.
Person Interested In
OUDs are chronic but treatable medical conditions that involve changes in our brains, which makes stopping very difficult without support. Effective medications that address cravings and withdrawal symptoms, as well as behavioral treatments, can help people with OUDs. Because fentanyl is so potent and commonly found in the drug supply, it is easy for people to accidentally overdose on fentanyl. A fentanyl overdose can occur after the drug is injected, swallowed, snorted, or smoked. Symptoms of a fentanyl overdose, including slow or absent breathing, generally occur within minutes of the overdose. Death can follow quickly if the overdosed person isn’t treated.
- Bystanders administered naloxone and performed CPR until an ambulance arrived.
- CDC drives science, public health research, and data innovation in communities across the country by investing in local initiatives to protect everyone’s health.
- So even if you don’t have a firsthand connection to this widespread social problem, you probably know someone who does.
- Additional doses may be given every 2 to 3 minutes, if symptoms return before medical help arrives.
- A healthcare professional may prescribe it to treat severe pain.
However, fentanyl exhibits vastly different properties and pharmacokinetics. Clinically, its most common use is as a sedative in intubated patients and in severe cases of pain in patients with renal failure due to its primarily hepatic elimination. At times, fentanyl may also be indicated to treat chronic pain patients who have developed tolerance to opiates. When used as a sedative, drug administration is most commonly via a drip. Lastly, fentanyl use can extend to the treatment of epilepsy.
Your symptoms may return within a few minutes after you receive naloxone.If your symptoms return, the person should give you another dose of naloxone. Additional doses may be given every 2 to 3 minutes, if symptoms return before medical help arrives. Fentanyl is a potent synthetic opioid, which, similar to morphine, produces analgesia but to a greater extent. This robust pharmacologic agent is typically 50 to 100 times more potent. A dose of only 100 micrograms can produce equivalent analgesia to approximately 10 mg of morphine.
Treating Fentanyl Addiction

Tell your doctor if you feel that your pain is not controlled or if your pain increases, becomes worse, or if you have new pain or an increased sensitivity to pain during your treatment with oxycodone. Do not take more of it or take it more often than prescribed by your doctor. Deaths from fentanyl — the synthetic, often deadly opioid frequently present in illicit street drugs — have contributed to the United States’ soaring opioid overdose deaths in the last decade. Naloxone/naltrexone are robust opioid antagonists that function by blocking µ-receptors.

Naloxone: Overdose Reversal Drug

Fentanyl typically relaxes you and puts you in a euphoric state. You may also feel dizzy, drowsy, have vision changes, or have unpleasant side effects such as dry mouth, stomach pain, or anxiety. Some opioids come directly from the opium poppy plant, but manufacturers make fentanyl in a lab and reproduce the chemical structure. For continuous delivery, a transdermal patch can slowly deliver fentanyl through the skin and into the bloodstream for up to 72 hours. A .gov website belongs to an official government organization in the United States. Dependence can cause extremely unpleasant withdrawal symptoms if the person stops using it.
In most cases, you cannot know if someone has used fentanyl. Take the same steps as you would with any suspected opioid overdose. Always have materials (Narcan and the testing strips) and emergency numbers handy. If you suspect someone is having a fentanyl or other opioid overdose, you can administer Narcan to try and revive them. Even if you aren’t 100% sure, Narcan will not hurt the person if they aren’t experiencing an opioid overdose.
According to the CDC, overdoses involving synthetic opioids increased by 72.2% from 2014 to 2015. Illicit fentanyl use has increased sharply over the last decade and has significantly contributed to drug-related overdose and deaths. Illicit fentanyl is often mixed with other drugs like heroin, cocaine, xylazine, counterfeit prescription pills, or legitimate prescriptions. Thus, consumers may unknowingly ingest fentanyl, increasing the risk of overdose and death.
Many were class-A drugs that carried a jail sentence of up to seven years if bought without a prescription. The unnamed victim was one of nine people listed in a September 2024 federal indictment against 18 defendants. These defendants, located in the United States, Dominican Republic and India, allegedly advertised, sold, manufactured and shipped millions of deadly pills marketed as legitimate pharmaceuticals via nine websites. These sites were seized by federal investigators, putting a stop to their illicit pill peddling.
Substance And Addiction Prevention Branch
The fentanyl crisis has become a significant public health issue in recent years. Its potency and widespread availability have contributed to a dramatic increase in opioid-related deaths. Specifically, at least 80% of overdoses are due to non-prescription substances. This percentage may be even higher as fentanyl can easily be mixed with other drugs, often without the user’s knowledge, which has made it particularly dangerous. To put it in perspective, it’s 50 to 100 times more potent than morphine.