Hazardous Substances
Benzydamine (Tantum / Difflam)
Street names: Tantum, Difflam, Rinsolution abuse, BZY
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Large doses: stimulant-hallucinogenic delirium (the 'Tantum trip') documented in Poland, Brazil, Middle East teens
⚠Key risks
- THE OTC TRIP: teens drink mouthwash for a jittery deliriant high — documented poisonings and ICU cases
- Tachycardia, hypertension, hallucinations at high dose
- Numbing masks severe oral/esophageal damage from the solvent load
- Cheap and everywhere — the accessibility harm-reduction problem
✚Overdose signs
- Racing heart, hypertension
- Hallucinations, agitation
- Vomiting, seizures
📋Quick facts
Also known asTantum, Difflam, Rinsolution abuse, BZY
CategoryHazardous Substances
Schedule / classOTC/Rx mouthwash-gargle most countries; not controlled as drug
AppearancePink/orange oral rinse (0.15%) or lozenges; users drink/extract the rinse
Street price$3–$10 per bottle OTC
Legal statusOTC mouthwash; drinking it is misuse; poison-control flagged in PL/BR
Last updated2026-09-18
Sources: EMCDDA, poison-center case series
Category comparison — Hazardous Substances
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Benzydamine (Tantum / Difflam) | OTC/Rx mouthwash-gargle most countries; not controlled as drug | THE OTC TRIP: teens drink mouthwash for a jittery deliriant high — documented poisonings and ICU cases; Tachycardia, hypertension, hallucinations at high dose | $3–$10 per bottle OTC |
| Datura (Jimsonweed / Devil's Trumpet) | Not federally scheduled US | THE TOXIDROME: overheating (can't sweat), racing heart, urinary retention, blindness-level pupil dilation — hospitalizations and ICU stays are COMMON, not rare; Teen dare trend ('Datura challenge' videos) has poisoned thousands | Free — grows wild on every continent |
| Benadryl (Diphenhydramine) Abuse | OTC — unrestricted purchase | DELIRIANT — not a fun hallucinogen: users can't distinguish hallucination from reality; Heart arrhythmia — anticholinergic load strains the heart; deaths documented | $3–$8 per box |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Benzydamine (Tantum / Difflam) look like?
Pink/orange oral rinse (0.15%) or lozenges; users drink/extract the rinse
What are the signs of a Benzydamine (Tantum / Difflam) overdose?
Racing heart, hypertension; Hallucinations, agitation; Vomiting, seizures Call emergency services immediately.
How addictive is it?
THE OTC TRIP: teens drink mouthwash for a jittery deliriant high — documented poisonings and ICU cases 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.