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Accidental Overdose, Panicking for Hours
3-Methylmethcathinone (sold as Ketamine)
Citation:   Love Witch 66. "Accidental Overdose, Panicking for Hours: An Experience with 3-Methylmethcathinone (sold as Ketamine) (exp119588)". Erowid.org. Apr 16, 2026. erowid.org/exp/119588

 
DOSE:
T+ 0:00
  oral Alcohol - Beer/Wine
  T+ 0:00   IM 3-Methylmethcathinone
  T+ 13:37   IM 3-Methylmethcathinone
  T+ 13:37 1 tablet oral Pharms - Quetiapine
  T+ 0:00 1 line insufflated Ketamine
BODY WEIGHT: 56 kg
After a very stressful day I chugged a bottle of wine and bought 3g of ketamine to unwind. FYI, I am hugely into ketamine so my tolerance is super high, I can easily do 3g in a span of 24 hours and the effects would be pretty mild on me. I also inject keta intramuscularly in my thighs most of the time.

So I do one injection, and I feel no effect whatsoever. For a whole hour I'm actually mega sober, and also really anxious - at first I'm thinking it's the stress in my life that's fucking up my mind. But the anxiety is severe enough to make me feel it physically - I have a bit of trouble breathing and in my stomach I feel as if I am going up the biggest rollercoaster in the world, anticipating the falling - not in a fun way. So to finally calm down, I decide to take more ketamine. I look at the bag that stores a gram and sigh, noting that with the second injection already around 0,2g will be gone. After I do the injection, I start being extremely talkative to the people in my phone, answering texts that have been waiting for days and having a low key dramatic conversation with my boyfriend. Then suddenly it becomes very clear to me that I feel agitated, stimulated, and at the same time experiencing zero ketamine effects.

I look closely at the crystals that I have in the bag - those are not K needles that the dealer normally sells to me. Those are actual rocky crystals. I contact the dealer to ask what it could be, and after some denial they tell me that apart from K the courier had 3mmc. The sour taste and the intense numbing when I tried a tiny bit on my tongue confirm, 3mmc it is.

This is awful. First of all, I hate stimulants and euphoretics. Never tried this one in particular before. These drugs make me super anxious even on peak, I don't experience happiness or confidence, I just want the high to be over. And now I injected in myself 0,2 of this shitty stuff.

I am actively anti-AI, but I spent the next 9 hours consulting with it on what to do, afraid I overdosed and was having a heart attack. Mind you, I'm writing this still stimulated by that injection at 06:23, I made the second and last injection around 20:00 yesterday. Thank God I think it starts to calm down, I took magnesium which eased my jaw clenching a bit, and popped a Seroquel (was choosing between that and clonazepam that I have in my first aid kit, the AI was telling me confusing info on which is safer).

I took a tiny line of ketamine now nasally, no effects are present. Sadly I am scared to take more, and really annoyed that instead of a relaxing evening on my favorite K I'm having an excruciating night of trying to figure out whether I'm dying or not
really annoyed that instead of a relaxing evening on my favorite K I'm having an excruciating night of trying to figure out whether I'm dying or not
. The effects of 3mmc could be described as intense stimulation, desire for communication, focus, mild dizziness at a point - in general what they say is true, it's more of a stimulant and not nearly as "euphoric" as classic mephedrone (which I've done A LOT but years ago so I know what I'm talking about).

I guess I'm writing this report to say that theoretically you can survive a big amount of this drug taken IM at once, so far I think I'll be ok (knocking on woods). I have absolutely no craving to repeat this experience, which sometimes occurs with this kind of drugs.

Exp Year: 2026ExpID: 119588
Gender: Female 
Age at time of experience: 27
Published: Apr 16, 2026Views: Not Supported
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3-Methylmethcathinone (592) : Difficult Experiences (5), What Was in That? (26), Train Wrecks & Trip Disasters (7), Alone (16)

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