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A close image displaying the various packaging and tablets discovered with an instance of SCP-XXXX while imitating a widely-distributed ingestible analgesic.

Item #: SCP-XXXX

Object Class: Keter

Special Containment Procedures: All recovered instances of SCP-XXXX are currently in storage at Site-128 in Locker 5-54. No personnel are to handle the packaging or individual tablets of SCP-XXXX to prevent accidental inhaling of residual dust from the tablets.

By order of the Ethics Committee, all instances of SCP-XXXX-1 are to be immediately destroyed.

Description: SCP-XXXX (referring to a single instance) is a plain container of prescription painkiller tablets for swallowing and ingestion. Chemical analysis reveals that SCP-XXXX is a form of opioid drug. Packaging of all instances is printed with dosage information which refers to SCP-XXXX as the "self-performed brain editing manual", and advises the user to only take if they "have a drill".

Anomalous effects of SCP-XXXX occur approximately 35 minutes following ingestion, hereby referred to as 'exposure', to an instance of SCP-XXXX. The affected individual (designated SCP-XXXX-1) will begin to experience a gradual loss in all physical sensations of pain. Distress from physical injuries, lacerations and burns will become increasingly difficult for SCP-XXXX-1 to notice or register. The rate of this process is determined predominantly by dosage size - a single tablet from SCP-XXXX should be capable of preventing an adult male SCP-XXXX-1 from recognising any form of injury within 2 hours.

SCP-XXXX is proven to be a highly-addictive substance, with significantly higher addiction rate when compared to similar substances such as heroin. Most instances of SCP-XXXX-1 commit to overdosing in SCP-XXXX within approximately 3 days following initial exposure.

Instances of SCP-XXXX-1 who overdose in SCP-XXXX will experience a gradual inversion of pain lasting 24 hours. At an indefinite point in this period, instances will discover that the experience of pain now induces sensations of emotional calm and satisfaction. Once SCP-XXXX-1 is aware of their state, SCP-XXXX-1 may come to enjoy physical injuries, and gradually inflict intended harm upon themselves. The effects of an overdose of SCP-XXXX-1 appear to be irreversible, unlike regular intake of the substance. Most instances of SCP-XXXX-1 are observed to expire from injuries inflicted by themselves, and deaths from SCP-XXXX-1 are frequently abandoned as cases of suicide.

SCP-XXXX is suspected to influence its subjects through chemical editing of the brain, and severe alteration of opioid receptors in the peripheral nervous system. Analysis of chemical composition of SCP-XXXX samples reveal that the object is a form of opioid drug similar to heroin, containing an unidentifiable biological material. When SCP-XXXX is exposed to the human body, substances found within SCP-XXXX are proven capable of altering protein synthesis, and are observed to perform a large adjustment of the nervous system after an overdose of SCP-XXXX.

Distribution of SCP-XXXX is widespread, having infiltrated all areas of drug use including hospital surgery, prescription painkillers, sedatives and narcotics. SCP-XXXX's primary method of entering these markets is through imitation of other opioid substances. It is unknown where SCP-XXXX is entering the pharmaceutical network or the narcotics trade, but investigation is ongoing. Due to this, SCP-XXXX stands as officially uncontained.

Addendum XXXX-a | Evidence File XXXX-1

Addendum XXXX-b | Evidence File XXXX-2

Addendum XXXX-c | Evidence File XXXX-3

Addendum XXXX-d | Evidence File XXXX-4

Addendum XXXX-e | Evidence File XXXX-5

Addendum XXXX-f | Notice & References

Request Note from Dr. Foster addressing Dr. White

Christ, this is fucked-up, Ryan. This isn't some fucking indestructible lizard or inter-dimensional paedophile - these people are doing this to themselves. SCP-XXXX isn't a psychoactive; and it doesn't seem to display any manipulative qualities, so what the fuck is going on?

And why are they calling it 'enlightenment'? This isn't a religious cult. I haven't seen any of them gather to burn any crosses, but they're still trepanning themselves like there's no tomorrow.

Jesus Christ, Ryan. I think we need to pay more attention to this one.

Notice from Dr. White addressing Dr. Foster

They're connected. We've been getting it wrong the entire time.

SCP-XXXX isn't the manual; it's the tool to do so. God knows what monster they will make if they remove the amygdala.

I've enacted neutralisation of all instances of SCP-XXXX-1. What we're seeing is just the first step - they'll continue until they've cut everything that hurts out of them. I'm not acting out of spite for the troubles they have caused us - this is pity.