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Harm Reduction

Fentanyl Test Strips

A practical introduction to fentanyl test strips and their limits.

4 min read

Fentanyl Test Strips: How to Use Them

Fentanyl test strips cost about $1, take 2-5 minutes, and can detect fentanyl in your drugs before you use. They're not perfect, but they're one of the cheapest harm reduction tools available.

What Are Fentanyl Test Strips?

They detect fentanyl in drugs. They're cheap (about $1 each), easy to use, and give results in 2-5 minutes. Not perfect but helpful.

Where Can You Get Fentanyl Test Strips?

  • Harm reduction organizations
  • Some treatment centers
  • Online (DanceSafe)
  • Some health departments
  • Free from many organizations

How Do You Use a Fentanyl Test Strip?

1. Collect sample.

Put a small amount of drug in a clean container.

2. Add water.

Mix with water (usually 1:10 ratio, check instructions).

3. Dip strip.

Put strip in mixture for 10-20 seconds.

4. Wait.

2-5 minutes for result.

5. Read result.

One line = positive (fentanyl present) Two lines = negative (no fentanyl detected)

What Should You Know Before Testing?

  • Test strips detect many fentanyl analogs but not all
  • No detection doesn't mean safe
  • Test the specific drug, not all drugs
  • Different strips have different instructions

What Do You Do If the Test Is Positive?

  • Don't use alone
  • Use less
  • Have Narcan (naloxone) ready
  • Test with someone present
  • Consider not using

What Should You Do Right Now?

  1. Get strips. Harm reduction orgs and some health departments give them out free.
  2. Learn to use them. Follow the instructions that come with your specific strips.
  3. Test before using. Not perfect, but it helps.
  4. If positive, use less. Have Narcan on hand.
  5. Never use alone. Always tell someone.

Test strips are a harm reduction tool. They don't make drug use safe.

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Harper