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Kratom (Mitragyna speciosa)
by Erowid
Caution :   Reactions and experiences may vary dramatically from person to person. [see below]
  • Simultaneous stimulation & sedation
  • Feelings of empathy
  • Feelings of euphoria
  • Aphrodisiac qualities for some people
  • "Nodding", vivid waking dreams
  • Useful with physical labor
  • Low doses can result in a lasting "glow" in some people, feeling better than normal the next day
  • Increased sociability and talkativeness
  • Reduction of opioid withdrawal symptoms
  • Relatively short duration
  • Change in ability to focus eyes
  • Pupil pinning / miosis
  • Analgesia
  • Very bitter taste
  • Dizziness, nausea and/or vomiting at higher doses
  • Mild depressed mood during and/or after
  • Increase in perceived body temperature, feeling hot and sweaty
  • Hangover similar to alcohol, including headaches and sometimes nausea (at higher doses)
  • Itchiness / pruritus
  • Reduced sexual desire or performance
  • Desire to repeat use more than intended
  • Mild to strong opioid withdrawal symptoms upon cessation of frequent/heavy use
  • Addiction, difficulty controlling use, taking steps to avoid withdrawal symptoms
  • Tolerance building quickly after a few days in a row of repeated use, tolerance to effects reduced with one to three days of abstinence
  • Liver health problems (rare / unknown whether due to kratom or product contaminants)
The effects of Mitragyna speciosa are described as being a combination of both stimulation and sedation. The stimulatory effects may be shorter in duration than the sedation effect, coming on faster and fading sooner.
Erowid's effects information is a summary of data gathered from users, research, and other resources. This information is intended to describe the range of effects people report experiencing. Effects may vary dramatically from one person to another or one experience to another based on a variety of factors such as body chemistry, age, gender, physical health, dose, form of material, etc.