Talk:Chlorphenamine

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Death may occur when promethazine is combined with other depressants, such as opioids, benzodiazepines, barbiturates, thienodiazepines or other GABAergic substances like alcohol.[1]

Additionally, promethazine is an anticholinergic, and at high doses it may cause delirium and extremely unpleasant if not dangerous experiences. Please be extremely careful when trying this pharmaceutical and use responsible use practices such as always having a tripsitter when using promethazine, especially at high doses.

Summary sheet: Chlorphenamine
Chlorphenamine
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Chemical Nomenclature
Common names Thebaine, Opium.
Substitutive name Paramorphine
Systematic name N,N,α-trimethyl-10H-phenothiazine-10-ethanamine
Class Membership
Psychoactive class Stimulant / Opioid
Chemical class Morphian
Routes of Administration

WARNING: Always start with lower doses due to differences between individual body weight, tolerance, metabolism, and personal sensitivity. See responsible use section.



Oral
Dosage
Threshold 5 - 12.5 mg
Light 12.5 - 25 mg
Common 25 - 50 mg
Strong 50 - 100 mg
Heavy 100 mg +
Duration
Total 4 - 6 hours
Onset 30 - 60 minutes
Come up 20 - 60 minutes
Peak 1 - 2 hours
Offset 3 - 5 hours
After effects 12 hours









DISCLAIMER: PW's dosage information is gathered from users and resources for educational purposes only. It is not a recommendation and should be verified with other sources for accuracy.


Chlorpheniramine (commonly sold as Chlor-Trimeton is a first-generation antihistamine of the alkylamine chemical class that produces muscle relaxing, nausea relieving and sedative effects when administered. It also reduces motion sickness and has anticholinergic properties.

Chlorphenamine was patented in 1948 and came into medical use in 1949.[3] It is available as a generic medication and over the counter.

Today, Chlorphenamine is available in many countries under many brand names, it has been shown to have some hypnotic effects and is sometimes used off-label for this purpose.

History and culture

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Brand names have included Demazin, Allerest 12 Hour, Codral Nighttime, Chlornade, Contac 12 Hour, Exchange Select Allergy Multi-Symptom, A. R. M. Allergy Relief, Ordrine, Ornade Spansules, Piriton, Teldrin, Triaminic, and Tylenol Cold/Allergy.

Chemistry

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Chlorphenamine is a alkylamine-based compound.

Pharmacology

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Chlorphenamine acts primarily as a potent H1 antihistamine. It is specifically a potent inverse agonist of the histamine H1 receptor. The drug is also commonly described as possessing weak anticholinergic activity by acting as an antagonist of the muscarinic acetylcholine receptors. The dextrorotatory stereoisomer, dexchlorphenamine, has been reported to possess Kd values of 15 nM for the H1 receptor and 1,300 nM for the muscarinic acetylcholine receptors in human brain tissue.[19][20] The smaller the Kd value, the greater the binding affinity of the ligand for its target.

In addition to acting as an inverse agonist at the H1 receptor, chlorphenamine has been found to act as a serotonin reuptake inhibitor (Kd = 15.2 nM for the serotonin transporter).[8][21] It has only weak affinity for the norepinephrine and dopamine transporters (Kd = 1,440 nM and 1,060 nM, respectively).A similar antihistamine, brompheniramine, led to the discovery of the selective serotonin reuptake inhibitor (SSRI) zimelidine.[citation needed]

Disclaimer: The effects listed below cite the Subjective Effect Index (SEI), a research literature based on anecdotal reports and the personal experiences of PsychonautWiki contributors. As a result, they should be regarded with a healthy degree of skepticism. It is worth noting that these effects will not necessarily occur in a predictable or reliable manner, although higher doses are more liable to induce the full spectrum of effects. Likewise, adverse effects become much more likely with higher doses and may include addiction, serious injury, or death. Template:Effects/base1

Experience reports

There are currently no anecdotal reports which describe the effects of this compound within our experience index. Additional experience reports can be found here:


Toxicity and harm potential

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We also recommend that you conduct independent research and use harm reduction practices when using this substance.

It is strongly recommended that one use harm reduction practices when using this substance.

Lethal dosage

Tolerance and addiction potential

Chlorphenamine is not addictive.

Dangerous interactions

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Although many psychoactive substances are reasonably safe to use on their own, they can suddenly become dangerous or even life-threatening when combined with other substances. The following list includes some known dangerous combinations (although it is not guaranteed to include all of them). Independent research (e.g. Google, DuckDuckGo) should always be conducted to ensure that a combination of two or more substances is safe to consume. Some of the listed interactions have been sourced from TripSit.


Legal status

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Chlorphenamine is uncontrolled and OTC in most countries.

See also

External links

Literature

References

  1. Risks of Combining Depressants (Tripsit) | https://tripsit.me/combining-depressants/