Opium - Substance Search

Summary TripSit

Opium is a naturally occurring analgesic harvested as a latex from ripe Papaver somniferum (opium poppy) pods. The sap of the poppy plant primarily contains codeine and morphine with the amounts varying by plant, which can be made into a tea and consumed raw, or further processed.

Dose Information TripSit

ROA	Light	Common	Strong	Heavy
Oral	-	333-500mg	-	-
Smoked	-	100mg	-	-

Light Common Strong Heavy

Onset, Duration & After-effects TripSit

ROA	Onset	Comeup	Peak	Offset	After Effects	Total
Oral	15-30 min	30-60 min	2-4 hrs	2-3 hrs	1-12 hrs	4-8 hrs
Smoked	1-5 min	5-15 min	1-3 hrs	1-2 hrs	1-12 hrs	3-6 hrs

Opioid MME Calculator

⚠ Citation & Disclaimer: Conversion factors sourced from the NIH HEAL Initiative MME Calculator (Adams et al., PAIN 2025), the CDC 2022 Clinical Practice Guideline for Prescribing Opioids for Pain, and the MDCalc MME Calculator. These are approximate equianalgesic ratios for educational reference only. Individual responses vary significantly based on genetics, tolerance, cross-tolerance, and route of administration. This is not medical advice. Do not use these conversions to adjust opioid dosing without professional medical guidance.

Convert from

mg

Convert to

10 mg Opium

≈

— mg Morphine

⚠ Equianalgesic dose ratios are approximations and do not account for genetic factors, tolerance, incomplete cross-tolerance, or pharmacokinetic variations. Methadone conversion is especially variable at higher doses. Always consult a healthcare provider before making any changes to opioid therapy.

Effect Profile

224 reports

Scores (1–10) curated from multiple sources:

Effect keyword matching from PsychonautWiki catalog
Validated against 147 Erowid trip reports
Weighted by importance: core (×3), major (×2), minor (×1)

Full methodology

Opioid 6.6

Strong+ 7/10

Strong euphoria and itching/nausea with moderate sedation, mild pain relief

Euphoria / Warmth ×3

10

physical euphoria euphoria cognitive euphoria mood lift

Analgesia ×2

5

analgesia

Sedation / Relaxation ×1

6

sedation

⚠ Itching / Nausea ×1

10

nausea constipation dry mouth

Based on reports from:

Erowid Experience Reports PsychonautWiki Opium The Drug Users Bible Opium

Tolerance

Build-up develops within days of regular use; analgesic tolerance faster than respiratory depression tolerance

Reset 7–14 days for partial reset; full reset may take weeks — tolerance loss greatly increases overdose risk

Tolerance Decay

Full tolerance 1d Half tolerance 21d Baseline ~35d

Effects Erowid Bluelight

Aggregated from 147 Erowid and 77 Bluelight experience reports

Positive Effects 66

Contentment 44.0% 84%

Euphoria 40.6% 89%

Sedation 35.5% 88%

Body High 23.4% 88%

Anxiety Suppression 22.8% 82%

Tactile Enhancement 22.3% 85%

Stimulation 21.3% 82%

Thought Deceleration 20.0% 80%

Muscle Relaxation 20.0% 88%

Drowsiness 20.0% 88%

Empathy 18.3% 85%

Music Enhancement 18.2% 80%

Vivid Dreams 18.0% 84%

Heaviness 16.0% 85%

Focus Suppression 16.0% 81%

Peace 14.0% 89%

Sociability Enhancement 14.0% 82%

Color Enhancement 12.2% 82%

Joy 12.0% 88%

Closed-Eye Visuals 11.7% 90%

Adverse Effects 38

Nausea 35.6% 86%

Itching 30.0% 89%

Confusion 16.2% 75%

Vomiting 16.0% 91%

Dizziness 10.0% 78%

Stomach Cramps 8.0% 80%

Body Load 8.0% 80%

Headache 6.1% 83%

Emotional Blunting 6.0% 82%

Dysphoria 6.0% 77%

Urinary Retention 6.0% 82%

Disrupted Sleep Architecture 6.0% 83%

Body Temperature Change 6.0% 85%

Sweating 4.1% 83%

Constipation 4.0% 80%

Tremor 4.0% 78%

Increased Heart Rate 3.4% 70%

Jaw Clenching 2.7% 70%

Sociability Suppression 2.0% 80%

Libido Suppression 2.0% 75%

Combinations TripSit

Opium's nerd page Pharmacology, chemical data, effect profiles, and more

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Helpful Links

💊 Pill Identifier 📘 Experience Reports 📖 Erowid 📖 TripSit 📖 PsychonautWiki 📖 The Drug Users Bible