How Does Kratom Get You High?
Because it is a legal substance that can be used to get high, kratom's popularity has increased. It can act as both an opioid and a stimulant depending on the amounts used. Below we will take a look at the exact mechanisms that kratom uses to produce its effects.
By Phillippe Greenough
Alongside writing and editing for The Summit Wellness Group, Phillippe is a pers … read more
Medically Reviewed By Dr. Mary Gay
Dr. Mary Gay is a Licensed Professional Counselor of GA in clinical practice sin … read more
- Last Updated on August 30th, 2021
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Kratom Addiction Treatment
What Does Kratom Feel Like?
There are several different types, or strains, of kratom which are rumored by users to produce a variety of effects. Each carries with them the potential for abuse. Aside from the strains, there are subcategories referred to as “veins” which come in three colors: red, green, and white. The rumored effects of these strains and veins include:
- Thai: Green and White may produce a euphoric high and act as a stimulant. Red is said to help dampen pain.
- Maeng Da: Originating in Thailand, Maeng Da supposedly acts as a stimulant while also reducing anxiety and pain.
- Malaysian: Reported to act as a stimulant, provide pain relief, and enhance mood.
- Green Malay: Supposedly acts as a stimulant as well as assists with concentration or focus.
- Borneo: Said to be more sedating in its effects than other strains.
- Indo: Also said to be more of a downer. This strain supposedly promotes relaxation, pain relief, and serenity.
- Bali: Reported to be a more effective pain reliever than other strains.
- Kali: Green is said to act as a stimulant with minor pain relief. White is said to produce euphoria and promote relaxation.
While there are thorough and ongoing animal studies to investigate the way kratom works, little is currently known about the exact ways it produces the variety of effects observed in humans. Further research and behavioral health studies are needed to better understand this strange drug.
The exact medicinal chemistry of Kratom has yet to be clearly understood and research is still ongoing. What is known, however, is that there are over 40 biologically active compounds in kratom. The most potent of these compounds is mitragynine, its major metabolite 7-Hydroxymitragynine (7-HMG), and mitragynine pseudoindoxyl (MPI). The way the plant is processed can affect the balance and total quantities of these drugs in the final product, be it whole leaf, powder, capsule, or tablet.
Some of the different extraction and processing methods include:
- Methanolic Extract
- Water-Based Extract
- Acid Extract
Depending on the purity of the kratom and the way it is processed, the effects can be quite different. While the potency of mitragynine is up for debate, its painkilling effects (including those of MPI & 7-HMG) are due to μ-opioid receptor stimulation, regardless of their other interactions. Mitragynine and its metabolites interact with several neurotransmitters and non-opioid receptors in the nervous system. Mitragynine also causes skeletal muscle relaxation through interactions at the nerve-muscle junction. In addition, MPI has inhibitory effects on the gastrointestinal tract leading to opioid-like constipation as well as partial paralysis of male genitalia (specifically the vas deferens).
Low doses of kratom can produce stimulant-like effects such as increased energy and decreased appetite. The mechanism for this is currently unclear, but more than likely has to do with mitragynine’s effect on neurotransmitters such as serotonin, norepinephrine, and dopamine. While the overall effects are similar to other stimulants, kratom can produce secondary effects that are strangely opposite of many stimulants, such as constricted pupils. Taking smaller amounts of kratom can produce effects including:
Diaphoresis (Excessive Sweating)
Elevated Mood or Euphoria
Increased Concentration or Focus
Increased Energy and Endurance
Tingling in the Extremities
Tremors or Shaking
Increased Heart Rate and Body Temperature
While it seems that mitragynine may be responsible for the stimulant-like effects, 7-HMG and MPI are most likely responsible for the opioid-like effects. 7-HMG is 13 times more potent than morphine. MPI is 20-times more potent than morphine as a painkiller. When taking medium-to-large doses of Kratom, it seems that the effects of 7-HMG and MPI become more dominant and overpower the stimulant effects of mitragynine. These two metabolites bind to the same opioid receptors in the brain as do traditional opioids, particularly the μ-opioid receptor, so the effects felt are very similar to those of classic opioid drugs. These effects can include:
Reduced Anxiety and A Sense of Calm
Reduction in Pain or Discomfort
Drowsiness or “Nodding Off”
Skin Discoloration (particularly of the face)
Extreme Muscle Relaxation
Lowered Heart Rate
Delayed Orgasm (particularly in men)
Several less active compounds can lead to secondary effects for kratom users. These are considered analogs of mitragynine and can include:
- Speciogynine. Contributes to skeletal muscle relaxation in a way irreversible by naloxone as well as partial gastrointestinal paralysis.
- Speciociliatine. Contributes to skeletal muscle relaxation in a way irreversible by naloxone as well as produces partial paralysis of muscles through inhibition of acetylcholine signaling.
- Paynantheine. Contributes to skeletal muscle relaxation in a way irreversible by naloxone as well as partial gastrointestinal paralysis.
Through similarly unknown means, it has been shown in rodents that the effects of chronic kratom use can degrade working memory in mice, such as spatial orientation and cognitive behavioral function. In addition, use of high doses of kratom has been shown to produce severe liver toxicity and mild kidney toxicity in a very short time; as little as 14 days.
Effects On The Brain
The effects of kratom are dose-dependent. This means that doing small amounts will produce stimulant-like effects. Larger doses produce an opioid-like effect. The reason for this is not exactly clear, but the fact that different “strains” seem to have a proclivity for either stimulant or opioid type effects suggests that the particular balance of active compounds such as MPI and 7-HMG plays a role in the effect produced.
The way that mitragynine works is very complex. It stimulates opioid receptors weakly but also interacts with serotonin and norepinephrine receptors. 7-HMG, while a more potent opioid receptor stimulator than mitragynine, is both present in the raw kratom plant and produced from the human body’s metabolism of mitragynine. Painkilling effects of mitragynine is more pronounced when taken orally as opposed to injected. This suggests an additional metabolite is produced during first-pass metabolism that may contribute to the painkilling effects. Injecting mitragynine straight into the brain of mice produced a similar painkilling effect as when taken orally. This also suggests that further metabolism may actually take place in the brain itself.
The medical use of kratom is a very contentious subject within the medical community. There are those who believe that kratom can offer minor therapeutic benefits as a tool in certain health treatments. Others are much more cautious, citing the many risks associated with kratom. Kratom has already resulted in deaths through overdose. It is clear that it does have a potential for abuse as many treatment facilities can attest.
Much more research is needed before a definitive and factually supported position can be taken by the medical community and government. In the meantime, proceed with caution and don’t hesitate to reach out via our contact form or find an Atlanta rehab to get help. Just because it isn’t a controlled substance doesn’t mean it isn’t dangerous. If you’re struggling with kratom use and want to stop, contact a detox center in Atlanta to have the best possible chance to safely stop using kratom.
Our Kratom Addiction Resources
European Monitoring Centre for Drugs and Drug Addiction: Kratom Drug Profile
Bangkok Post: Kratom Leaves – Are They Really A Dangerous Drug?
BBC World News: The Drug Addictions Devastating Thai Villages
Pharmacognosy Research: The Evaluation of Antinociceptive Activity of Alkaloid, Methanolic, and Aqueous Extracts of Malaysian Mitragyna Speciosa Korth Leaves in Rats
Neuroscience and Biobehavioral Reviews: From Kratom to Mitragynine and Its Derivatives – Physiological and Behavioural Effects Related to Use, Abuse, and Addiction
Molecules: In Vitro and in Vivo Effects of Three Different Mitragyna Speciosa Korth Leaf Extracts on Phase II Drug Metabolizing Enzymes—Glutathione Transferases (GSTs)
Journal of the American Chemical Society: Synthetic and Receptor Signaling Explorations of the Mitragyna Alkaloids – Mitragynine as an Atypical Molecular Framework for Opioid Receptor Modulators
ACS Central Science: 7‑Hydroxymitragynine Is an Active Metabolite of Mitragynine and A Key Mediator of Its Analgesic Effects
Journal of Medicinal Chemistry: Mitragynine/Corynantheidine Pseudoindoxyls As Opioid Analgesics with Mu Agonism and Delta Antagonism, Which Do Not Recruit β-Arrestin-2
Frontiers in Psychiatry: Biochemical Benefits, Diagnosis, and Clinical Risks Evaluation of Kratom
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