Fentanyl Test Strips*

What is Fentanyl?

Fentanyl is a synthetic opioid, which is being mixed with other drugs, both opioids and non-opioids, including heroin, pressed pills, cocaine, MDMA, and methamphetamines to increase their potency. Non-opioid drugs laced with fentanyl often lead to accidental opioid overdose.

Fentanyl test strips are a drug testing technology. They can be used to test drugs for traces of fentanyl and fentanyl analogs, allowing a person using drugs to know what they are putting into their body, and take the proper steps to prevent an overdose.

Drugs laced with fentanyl often lead to accidental overdose

In Indiana, you can get free fentanyl test strips. Online. Anonymously.

It takes as little as 5 minutes to test your drugs for fentanyl



could save your life


Fentanyl can be up to 50 times stronger than heroin and 100 times stronger than morphine.

Most fentanyl test strips on the market at 96-100% accurate in detecting the presence of fentanyl. It is important to note that a negative test result may still contain a fentanyl analog or fentanyl at a lower concentration than detectable by the test strip.

Fentanyl test strips detect the presence of fentanyl and its analogs. They do not measure how much fentanyl is contained in a drug sample nor do they measure the potency of the supply.

You should respond to a fentanyl overdose the same way you respond to any other overdose: by administering naloxone, calling 911, and starting rescue breaths. Because fentanyl is an opioid, naloxone can be used to reverse a fentanyl overdose. Learn more about naloxone and how it can help in the case of any opioid overdose here.

a. Fentanyl test strips help you make a more informed choice of what you’re putting in your body. Any drug laced with fentanyl can greatly increase your risk of accidental overdose. If you choose to take the drug that tests positive for fentanyl, please take additional steps to stay safe:

  • Don’t use alone – fix with a friend. Develop a plan with friends or partners. Leave doors unlocked or slightly ajar. Have someone check on you.
  • Don’t mix drugs – use one at a time. Avoid mixing alcohol & opioids/
  • Go slow – use less at one time. Do a tester shot.
  • Use a different method – Injecting and smoking drugs can increase risk of overdose. Consider snorting.
  • Keep naloxone close – You can’t administer naloxone to yourself, but have someone with naloxone nearby in the event of an overdose. You can order naloxone here.

b. If you choose not to take the drug that tests positive for fentanyl, please dispose of it safely by mixing it with something undesirable (like leftover coffee grounds or cat litter) and sealing it in a container so that animals, children, etc. are not accidentally exposed to it. The sealed container can be put in the trash.

About this program

This harm reduction campaign is a collaboration between the Marion County Public Health Department and Overdose Lifeline, a non-profit that focuses on education, advocacy, and support around the opioid health crisis in Indiana.

Our goal is to encourage everyone to test their drugs for fentanyl—an extremely potent synthetic opioid that more and more street drugs are being laced with—with the free fentanyl test strips.

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