Stimulants
Cocaine, meth, speed and the cathinone family — energy at a cardiovascular price. Stimulants drive heart rate, blood pressure and body temperature up. Overdose looks like a heart event: chest pain, racing pulse, overheating.
Cocaine
White crystalline powder (HCl) or off-white 'base'/crack rocks; shiny 'fishscale' = high purity HCl
Speed (amphetamine paste)
Damp white/yellowish paste or dry white powder; damp = high purity base
Methamphetamine
Clear/white crystal shards ('ice'), powder, or pills
Adderall (amphetamine salts)
Blue/peach round tablets (5–30 mg IR), imprint 'AD'
Adderall XR
Capsules (10–30 mg) with two-tone beads (half IR, half delayed)
Methylphenidate (Ritalin)
White/yellow 5–20 mg tablets; Concerta = long grey/red-brown pills
Ephedrine
White 25–30 mg tablets, powder, or dried herb
Pseudoephedrine HCl
White 30/60 mg tablets; red-hot precursor to meth
4-FA (4-fluoroamphetamine)
White/off-white powder or capsules
Mephedrone (4-MMC)
White/off-white crystals or powder (crystals = '4-MMC crystals')
4-MMC crystals
Translucent/white crystalline shards sold as 'pure mephedrone'
Methylone (bk-MDMA)
White/tan powder, crystals, or pressed 'Molly' pills
Pentedrone
White/tan crystals or powder
MDPV
White/off-white powder or crystals; sold as 'bath salts'/'plant food'
α-PVP (Flakka)
White/pink crystals or powder ('gravel')
α-PHP
White/yellow crystals or powder
3-CMC / 4-CMC (clephedrone/chloromethcathinone)
White/off-white crystals or powder
4-Methylaminorex (4-MAR)
White crystalline powder or small pellets
4′-Fluorococaine
White powder mimicking cocaine
Camfetamine
White/off-white powder or pellets
Ethylphenidate
White crystalline powder
Methiopropamine (MPA)
White/off-white crystals or powder
Troparil (β-CPT, WIN 35,428)
White crystalline powder (research chemical)
Synthacaine
White powder sold as 'legal cocaine' (usually dimethocaine + caffeine + lidocaine blends)
β-PVP (beta-pyrrolidinovalerophenone)
White/yellowish crystals or powder