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Updated on May 3, 2022

Laced Weed

Laced weed is cannabis that’s mixed with other substances. These include other drugs and chemicals, such as fentanyl, crack, hallucinogens, heroin, embalming fluid, and more. 

Lacing weed with illicit drugs or other substances makes it more potent. It can also lead to dangerous or fatal side effects and possibly trigger a need for addiction treatment. 

What Drugs Can Weed be Laced With?

Fentanyl

Fentanyl is a potent synthetic opioid pain medication. It has a rapid onset and is only effective for a short time. 

Fentanyl is 50 to 100 times more potent than morphine. Its legitimate uses include treating severe pain or managing pain after surgery.

Cocaine/Crack

Cocaine is a powerful stimulant drug that can have serious health effects. Short-term effects of cocaine include euphoria, increased alertness, and feelings of power and invincibility. 

Cocaine can also cause dangerous side effects, including heart attack, stroke, and seizure.

Crack cocaine is a highly addictive form of smokeable cocaine. It produces a short, intense high followed by an extreme crash. The risk of crack addiction from laced marijuana is high, especially for regular users.

Heroin

Heroin is a highly addictive illegal drug derived from morphine. It is typically sold as a white or brown powder, or as a black sticky substance. 

Heroin can be injected, snorted, or smoked. It produces an intense rush of pleasure followed by drowsiness and slow breathing.

LSD

LSD is a potent, long-acting, psychedelic drug that produces profound changes in consciousness over several hours. It is usually taken by mouth, although it can also be injected or inhaled. LSD is not addictive, but it causes temporary paranoia and psychosis at high doses.

It was originally intended as a psychiatric medication. Sometimes considered a party drug, it is used alone or with other substances, including laced marijuana.

PCP

PCP is a potent hallucinogenic drug that people have used for centuries in religious and shamanic rituals. It is also known as angel dust, trip, or acid.

PCP triggers intense hallucinations, delusions, and feelings of detachment from reality. It can lead to dangerous behaviors such as aggression and self-harm.

PCP-laced marijuana is sometimes called “wet weed” or “dusted weed.”

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Signs of Laced Weed

Common signs of laced weed include:

  • Abnormally potent 
  • Different or unusual smell 
  • Packaged differently than usual
  • Strange appearance

How to Avoid Laced Weed

Most people don’t test a substance before using it. They assume smoking marijuana is relatively risk-free and that legal marijuana is especially safe. 

Unfortunately, drug dealers lace marijuana for a variety of reasons, from saving money to enhancing the odds of drug addiction. It’s impossible to know exactly what’s in laced weed. This makes it dangerous and puts you at risk of all of the side effects in the other drugs in the weed you’re sold.

Despite the risks, there are several things you can do to avoid laced marijuana: 

Know Your Source

If you purchase marijuana from someone you don't know, there's no way to be sure what's in it. Only purchase drugs from a trusted source.

Inspect Before Using 

If the drug doesn't look right, or if it has an unusual smell, it might be laced with something else.

Be Aware of Your Surroundings

If you're in an environment where people are using drugs, avoid accidentally coming into contact with potentially laced substances.

Use Caution When Trying New Sources or Types of Marijuana

If someone offers you a marijuana cigarette, ask what's in it before using it. You can never know if marijuana is laced without using it, so it’s better to be safe than sorry.

What to Do if You Smoked Laced Weed

If you smoked laced weed, seek emergency medical help immediately. This is especially important if you experience any adverse effects, such as:

  • Slowed breathing
  • Chest pain
  • Irregular heartbeat
  • Slurred speech
  • Severe hallucinations
  • Intense sedative effects

If you must smoke weed, obtain it from a trusted source and inspect it for signs of tampering before smoking it.

Risks of Laced Weed

Smoking weed that has been laced with other drugs can be dangerous and even life-threatening. In addition to risks that come with smoking weed, you’ll also face risks from the other drug(s) it is laced with. 

You could have a bad reaction to the other drug. You also risk a drug addiction and need for addiction treatment if you smoke weed laced with an addictive drug fo a long time. 

Fentanyl-Laced Weed

There are many dangers associated with consuming fentanyl-laced marijuana. 

First, fentanyl is an incredibly powerful synthetic opioid analgesic that is up to 100 times more potent than morphine. Just a tiny amount of fentanyl-laced marijuana can cause serious respiratory depression or even death. When mixed with marijuana, these risks increase significantly.

Fentanyl-laced drugs are often sold on the black market. This means it’s impossible to know the drug’s exact potency, which makes dosing incredibly difficult. Users are more likely to accidentally overdose when using fentanyl-laced weed.

Another serious risk associated with fentanyl-laced weed is that it can be much more potent than regular marijuana. Substance abuse research shows that users experience more severe side effects such as paranoia, anxiety, hallucinations, and psychotic episodes when combining drugs. 

Fentanyl is a Schedule II controlled substance in the United States, meaning it is illegal to possess or use. Anyone caught with fentanyl-laced weed could face serious legal consequences, even if smoking marijuana is legal where you live.

Talk to a Healthcare Provider

Be honest with your healthcare providers about what drugs you have used. Marijuana and other drugs can cause a variety of symptoms and interact with many other medications. Sharing this information can help your medical team provide the best treatment possible.

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Resources

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  1. SAMHSA. “Know the Risks of Marijuana.” Samhsa.gov, 25 Mar. 2019. 
  2. Fentanyl Facts.” www.cdc.gov, 20 Sept. 2021. 
  3. NIDA. “Cocaine.” NIDA for Teens, 25 June 2021. 
  4. National Institute on Drug Abuse. “Heroin DrugFacts.” National Institute on Drug Abuse, 1 June 2021. 
  5. Lsd.” Dea.gov, 2020, www.dea.gov/factsheets/lsd. 
  6. Substance Use - Phencyclidine (PCP).” MedlinePlus, 2018.

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