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Sedatives & Hypnotics

Kava (Piper methysticum)

Street names: Kava kava, Awa, Yaqona

⚡What it does

  • Relaxation, mild euphoria, social disinhibition
  • Body heaviness, numbness of mouth/tongue

⚠Key risks

  • LIVER TOXICITY — rare but severe: hepatitis, liver failure requiring transplant; banned/restricted in multiple countries
  • Interactions with alcohol, benzodiazepines, liver-metabolized drugs
  • Heavy use: kava dermopathy (scaly skin), weight loss
  • Short-term: impaired driving ability

✚Overdose signs

  • Jaundice, dark urine (liver)
  • Nausea, weakness
  • Confusion (with other depressants)

Category comparison — Sedatives & Hypnotics

SubstanceClassTop risksStreet price
Kava (Piper methysticum)Legal supplementLIVER TOXICITY — rare but severe: hepatitis, liver failure requiring transplant; banned/restricted in multiple countries; Interactions with alcohol, benzodiazepines, liver-metabolized drugs~$15–$40 per powder bag
Zolpidem (Ambien/Stilnox)Schedule IVSleep-walking, sleep-driving, hallucinations; Dependence and rebound insomnia~$2–$10 per 10 mg tablet
Secobarbital (Seconal)Schedule IIBarbiturates: tiny margin between dose and death; Fatal in overdose, brutal withdrawal (seizures) — replaced by benzos in medicine~$15–$40 per capsule where diverted
Carisoprodol (Soma)Schedule IVConverts to meprobamate (Miltown) — dependence; Popular 'Soma Coma' mix with opioids — deadly~$1–$8 per 350 mg tablet
Cyclobenzaprine (Flexeril)Not scheduledOverdose causes hallucinations, seizures, heart rhythm problems; Abuse usually in combination (potentiates opioids)~$1–$5 per 10 mg tablet
Pentobarbital (Nembutal)Schedule IIVeterinary euthanasia drug — overdose is usually fatal; Narrow safety margin (barbiturate)~$30–$100+ per vial/capsule-equivalent
Street prices are regional estimates. Potency and cuts vary constantly.

?Frequently asked questions

What does Kava (Piper methysticum) look like?

Brown powder, capsules, drinks/teas; sold at health stores, kava bars, gas stations

What are the signs of a Kava (Piper methysticum) overdose?

Jaundice, dark urine (liver); Nausea, weakness; Confusion (with other depressants) Call emergency services immediately.

How addictive is it?

LIVER TOXICITY — rare but severe: hepatitis, liver failure requiring transplant; banned/restricted in multiple countries Dependence can develop with regular use.

🔗Sources & further reading

Facts on this page are compiled from these primary sources. External links open in a new tab.