How To Detect Laced Weed and Symptoms

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Learning if you have laced weed is essential if you don’t want to smoke it. Laced weed is rare because it takes away from profits and makes enemies. It’s more likely that you are smoking moldy weed.

Weed is most commonly laced with coke, PCP, meth, and heroin. If weed is laced, it’s probably intended to be consumed by the person who did the lacing. Dealers may sell laced weed at a higher price as a “wet” or an “amp” joint.

Testing for Laced Weed

Using a drug test is the best way to test for weed laced with coke, PCP, meth, heroin, acid, ketamine, ecstasy, or even formaldehyde. Residue drug tests are made to detect the presence of drugs within seconds and can be bought cheaply on Amazon. If you’ve already tried the weed in question you may be able to use a urine drug test but the results won’t be as accurate. Using a residue drug test as a urine drug test, or vice versa, won’t work because chemicals are changed when they are metabolized by your body.

Related Tutorial: How to Pass a Drug Test

Look, Taste, and Smell

Your cannabis should look green and smell pungent. When it’s laced with another drug it can smell like harsh chemicals and can have a burning sensation when you inhale. If you shake a bud, not many crystals should fall off, a little is alright as those are probably trichomes. Trichomes are brown to clear in color. Blue or white crystals and the weed is probably laced. In order to get a close look of the weed, I like to use a 420 scope.

Jump to: coke, PCP, heroin, acid, formaldehyde, glass, or laundry detergent.

Weed Laced With Coke

Cocaine Laced Weed

Because of cocaine’s availability, coke laced weed is probably the most popular form of laced weed. Coke is the white powdered form of cocaine and is normally smoked, snorted, or ingested. The texture is close to powdered sugar.

Cocaine smells like ether, gasoline, or the chemical that used to extract the freebase from the mash. This smell can sometimes even be mistaken for weed.

Imagine putting a Tylenol in your mouth and chewing it. This is close to what coke tastes like. It’s a little metallic, bitter, and chemical like taste. However, when smoking or ingesting it, the numbness it causes may make it difficult to taste.

Symptoms

Smoking cocaine laced weed is dangerous because it puts stress on your lungs, heart, and brain. Your muscles tense and your heart will beat faster from constricted blood vessels which can result in a heart attack, stroke or even cardiac arrest.

  • Numbness
  • Unable to fall asleep
  • Increased energy
  • Trouble concentrating
  • Paranoia and compulsive behavior

Glass Laced Weed

Laced Cannabis - GlassCrushed glass can be added to weed to make it weigh more, make it look like there are more trichomes than there actually are, or may have gotten there by accident from improperly storing it or shattered grow lights.

Testing for Glass Laced Weed

A good way to test if your weed is laced with glass is to use a CD. Weed, on its own, will not scratch a CD easily. All you have to do is to gently rub a bud on a CD and if it gets scratched your weed is probably laced. Although, if your weed is dry it may still scratch CD.

Weed Laced With PCP

Phencyclidine, aka PCP or angel dust, can be found in the form of white powder or crystals, capsules, tablets, or liquid. Developed in the 1950s as an intravenous anesthetic, PCP was soon discontinued due to its side effects. PCP has a distinctive bitter chemical taste and can range in color from tan to brown.

PCP Laced Weed

Symptoms

In small amounts, it can make you feel detached, distant, and estranged from your surroundings. Friends may notice you staring blankly and blinking often. Smoking PCP laced weed can also cause:

  • hallucinations
  • impaired coordination
  • numbness of the extremities
  • slurred speech
  • aggressive or violent behavior
  • a sense of strength and invulnerability
  • disorientation
  • paranoia
  • seizures
  • coma
  • death

Weed Laced With Acid / LSDLSD and Weed

Smoking weed laced with LSD or acid in a pipe won’t cause you start hallucinating or any other effects. This is because it gets destroyed when it gets too hot. However, if you buy pre-rolled joints or blunts the tip may have LSD or acid on it and when you put it in your mouth it will be absorbed into your system.

Symptoms

  • Hallucinations
  • Impaired Coordination

Weed Laced With Heroin

Heroin can be a white or brown powder, or a black sticky substance known as black tar heroin. It tastes bitter and smells vinegar or rubber.

HeroinSymptoms

  • Surge of euphoria
  • Constricted pupils
  • Slowed Breathing
  • Flush Skin
  • Itching
  • Nausea

Weed Laced With Embalming Fluid / Formaldehyde

Embalming FluidEmbalming fluid contains formaldehyde which is known to cause cancer. Cannabis may be soaked in formaldehyde in order to make it seem stronger that is actually is but is very dangerous. By itself, formaldehyde is colorless and smells somewhat like pickles.

Symptoms

Similar effects to smoking PCP laced weed.

  • Bad headaches
  • Increased heart rate
  • chest pain
  • dry mouth and throat
  • nausea
  • diarrhea
  • severe paranoia
  • hallucinations
  • death

Laundry Detergent Laced WeedPowdered Laundry Detergent

A dealer may coat your buds in powdered laundry detergent in order to make it look like there’s a lot of crystals and to make it smell fresh.

If you smoke weed laced with laundry detergent you’ll taste the chemicals in the soap along with the fragrance.

Symptoms

  • Soar throat
  • Nausea
  • Trouble breathing

Testing for Laundry Detergent

Testing for laundry detergent is very easy. First, find a small watertight container and put some water in it along with some of the weed in question. Next, simply shake the container and look for suds of soap.

Rules To Prevent Purchasing Laced Weed

  • Never buy weed already ground up
  • Only buy from a reputable dealer
  • When in doubt, throw it out
  • Trust your instincts
  • It’s ALWAYS better to be safe than sorry

Now that you know how to detect laced weed, please spread this knowledge and share this guide and you might save a life.




  • 22 Comments

    1. Spot on with this write-up, I truly believe this website needs a lot more attention. I’ll probably be back again to read more, thanks for the advice!

    2. Last night I bought some bud (a gram $15) frm a guy in my Apt complex. I smoked one blunt with a buddy that night…I was high (normal high on dro) smoked last blunt in the morning with 2 co workers. Bout time I got the 2nd hit my hands started shakin.leg went numb on one side. Heart started racing. I just had a bad trip and ran out there apt. Thinkin they wur trying to kill me. It took me 6-7 hours to come down off that high. I was so scared and confused bcuz iddnt get the same effect I did the first blunt the night b4. I believe Someone laced the bud. I been smokin for 7 yrs dat has never happen to me.

      • Do you still smome. I had a similar experience and last time I tried to smome again I had a bad reip. Racing heart panic attack eve. Called ambulance. Fucking awful

    3. This is becoming problematic in the UK most inner city dealers refuse to sell in large amounts, only “dime bags” of weed and with the rise of cheap synthetic chemicals found in “legal highs” I suspect these same chemicals are being used in weed to basicaly get people addicted. Grow your own or from a known grower the risk to your health is not worth it.

      • I have smoked a lot of weed before and so when i got some more i knew what to expect.
        I usually wait about twenty minutes for the high to kick in. But this one kicked in about 20 seconds after i smoked it.
        I did it around 11pm in my room and it is 9am the next morning and i am just now feeling the normal effects if it were like any other weed i smoked.
        It was so weird i cant explain half of it
        I was so lost into my music and this trippy space video i was watching.
        I could barely with all of my energy get out of bed and find the toilet to throw up which was five feet from my bed.(and did this like four times within twenty min.
        The worst part was probably after i threw up. This was way past feeling like a dream.
        My head was leaned over thr toilet and it fely so heavy and i was so dizzy i couldnt lift my head up when i did i threw up.
        The walls were shaking and zooming in and out. And they were dark purple and orange. And my bathroom walls are originally blue.
        I started to dream again with my eyes wide open leaned over the toilet cuz i couldnt mske it to my bed. I started to hallucinate again too but this part was the worst. I felt like i was traveling through space to hell and every time i had my eyes open i thought the toiley was a portal and it was like melting really weirdly. The whole thing was just really fucking different from any of my other weed expiriences.
        If someone could help thatd be dope

        • You had weed with dmt in it. The piece could’ve had it smoked out of previously. That’s what it’s like when you smoke dmt and you don’t know it’s there.

          • Sebastian Scott on

            It probably did not have dmt in it, dmt takes you to another dimention and can last short or long time from 1min to hours and when you take it your not even in the room

    4. My friend and I smoked some weed from a bong and she told me she threw up about 5 times after but I felt fine and nothing happened to me, could it have been laced?

    5. i am really really scared yestarday i smoked weed out of a homeade gravity bong and after 2 big hits it felt as if i got ripped out of my body and was floating over myself as if i were dreaming i still feel like it didnt actually happen but it did. we rushed into the house but i dont remember ever doing that all i remember is i coild barley control myself and felt really weird like i wasnt alive or i was caught in a dream the next thing that happened is that i was inside all the suddon on a couch with my friend trying to keep me calm and i remember being really hot and a burning sensation in my chest and there was a hot pressure in my cheek bones and what was really really weird was the visuals everything seemed to be jerking down diagonaly (best i can explain it) my friends phone whent off and it scared the fuck out of me and and it looked like there was heat waves around me and i couldent feel my tounge???????????? and its the day after and i feel dizzy as fuck PLEASE HELP ME i want to die right now and dont know what to do and what the fuck was the weed laced with ik scared as fuck

    6. Charlotte Manow on

      My daughter smokes weed. She is always edgy, cries over petty things or snaps at the family in anger over little things like the brush not being returned to it’s rightful place, she has lost weight and states that it’s because she’s full vegan now but I think it’s the drugs. Somehow I don’t think weed can do all of this in its own. Any thoughts? I want to get her into a rehab but don’t know if I can, she’s 21 already. Any info as far as what she might be smoking is greatly appreciated.

      • You only mentioned that she smokes weed, and maybe this is something
        else. I do not know you or your daughter, or what your life looks like.
        You have the first hand knowledge, and I will take your indication that
        you think there may be other substances at play here as a sign you think
        drugs are causing this behavior, so I will work from that assumption.

        While I cannot say for sure, this does not sound like a case of someone just
        using cannabis, and there is the possibility of some sort of poly-drug
        abuse going on here. There may also be underlying psych issues, but
        those are exceedingly difficult to diagnose if there is substance use on
        top of it.

        The level and regularity of your daughters outbursts leads me to believe this is not “She got a hold of weed that had an adulterant in it” , and more towards there is a pattern of substance abuse that is deeper then what shows on the surface. She is 21, you
        cannot legally force her into rehab, but it may be worth while to
        surprise her with taking an at home dip stick style drug test if you
        have leverage over her(does she still live at home?) and enforce her
        taking it. This can help provide some objective evidence of other
        substance use, and avoid emotions screwing the view, or your daughter
        trying to manipulate her way out of the situation.

        A 10 panel test will test all of the major categories of commonly abused drugs. A 2
        pack can be picked up pretty cheap but may require you providing the
        specimen cup. This enables you to replicate the results, and avoid
        accusations of the test failing or providing false positives.

        The kit mentioned in the article tests for 10 specific drugs:
        1. Amphetamine (AMP) 1000 ng/ml
        2. Barbiturates (BAR) 200 ng/m
        3. Benzodiazepines (BZO) 300ng/ml
        4. Cocaine (COC) 300 ng/ml,
        5. Methadone (MTD) 300 ng/ml
        6. Morphine/Opiates (OPI) 2000 ng/ml
        7. Methamphetamine (Mamp) 1000 ng/ml
        8. Marijuana (THC) 50 ng/m
        9. PCP 25 ng/ml
        10. Ecstasy (MDMA) 500 ng/ml

        If she shows as positive, (ANY line no matter how faint is to be read)
        work to get her into treatment. If this turns out to be a more serious
        drug abuse issue, whether is is the amounts she is taking or if it is a
        more dangerous substance as Meth or Heroin she will require some form of
        in patient treatment. This is especially true for opiate abuse, which
        may require extensive in patient treatment, and sober living style step
        down.

        If she refuses or will not take it where you can supervise
        and assure the sample was not tampered with, I would treat it as a
        positive result. If she will not allow you or a medical professional to
        administer the test in a controlled environment, and withdraws from you
        or runs, this is a critical time to determine and set your boundaries.
        (see last paragraph about Al-Anon)

        My totally not certified, and
        absolutely-not-medical-advice-GUESS is it is one of the two above
        substances, depending on how things are playing out. If your daughter
        has an abnormal amount of acne, or has been picking pimples, or showing
        other compulsive behavior, staying up all night or for multiple days,
        and generally seems to be experiencing mania, I would guess meth. If she
        is slipping away and becoming distant, but sleeps pretty regularly and
        otherwise seems pretty normal, I would suspect heroin, or other opioid
        abuse.

        I wish you the best of luck, I hope you, your daughter, and
        your family come through this, whatever it may be, happier, and
        stronger for it.If drugs are causing this: It is heart breaking,
        and so frustrating to watch those we love become ensnared in the abuse
        of these hard drugs. I have been there, and the best mantra I can offer
        is : Love the addict, hate the disease. If your daughter does come up
        positive, while you work to be firm, loving, and get her into treatment,
        YOU need to go to your local AL-Anon meeting, which will be a great
        place to learn more about the disease, and develop a strong, specific
        support network that have all been in your place. It is a great resource for those affected by addiction in their families.

    7. I suspect that I smoked meth laced weed. I’ve been smoking since I’ve been 14 yo (19 now) and have never had an effect like this. My heart was beating extremely fast, I was realy disoriented and kept blacking out/passing out. A few other things happened as well that I can’t seem to recall at the moment because I haven’t slept yet. But I vaguely remember the weed being kind of sparkly which I didn’t really think anything of. But the weird thing was I ended up smoking crystal meth one night (yeah fucking stupid, I know) and I was having the same exact effects as when I smoked the weed I had gotten.

    8. Twisted Tweak on

      I’ve been smoking for well over a decade and have never gotten laced weed until last night. There are so many reasons why dealers wouldn’t lace weed, so I’ve always shot down people when they claimed to have gotten laced weed. This time, though, there’s absolutely no doubt in my mind that the weed I got was laced with coke.

      My buddy and I rolled up a blunt, and a few hits in, something felt off. My mouth started feeling a bit numb and I tasting a hint of crack. I used to do a lot of coke (and I preferred freebasing), so I know the taste of crack very well, but I dismissed it at first. Crack was my problem drug for a long time, so I still get the occasional craving, and when I start thinking about it, I imagine I can taste it. So… I usually dismiss it. Right up until I went from tired enough to fall asleep to wide awake and twitchy, feeling wonderfully geeked.

      The chick that we bought from is a coke dealer, and apparently she’s on her way to rehab (never get high on your own supply), so it wouldn’t surprise me if she was hooking a preferred customer up with a little extra before she had to ditch her stash. Even though I try not to fuck around with the shit, I still love rock, so this was a very pleasant surprise… until I realized that I just bought a quarter of laced shit. I smoke weed to help me sleep, so… kinda not very useful… kinda wish it had been meth instead, but oh well.

    9. My 17 year old daughter stayed the night with one of her friends and the girl’s dad and his friend broke out a bag of weed. They convinced my daughter to try it even though she didn’t want to. She said that they smoked some from a pipe and then some from a bong. She told me that she suddenly felt panicked and that it seemed like everything around her curved inward towards her and appeared wavy. Does it sound like the weed was laced with something? She believed that they were planning on killing her and was scared to death.

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