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Table 1 The 51 categorized topics and the four overarching themes characterizing the discussions

From: Harm reduction and knowledge exchange—a qualitative analysis of drug-related Internet discussion forums

Themes

Topics

Uncovering the substance facts

Brands

Service

Contraindications

Content speculation

Batches

Vendors

Reviews and evaluations

Acquisition

Specific substances

Availability

Toxicity

Quality

Legal status

Price

Tolerance and cross-tolerance

Pharmacology

Comparing substances

Dosage and administration

Supplements

Purpose and intention

Combinations

Administration

Expectations

Settings

Mood and state

Dosage

Do it yourself

Recreation

Subjectively experienced effects

Initial effects

Aftereffects

Side effects

Positive effects

Physiological

Emotional

Cognitive

Duration

Potency

Evaluating effects

Experiences

Insight

Comparing effects

Support and safety

Coping

Harm reduction

Caution

Acute help

Risks

Warnings

Recovery reports

Addiction

Support

 

Advice