Opioids
Dipipanone (Diconal)
Street names: Diconal, Dipipanone-cyclizine
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Strong opioid euphoria
- Sedation
⚠Key risks
- Notorious in the UK for injection deaths — cyclizine gave a 'rush' that drove IV use
- Withdrawn due to fatal abuse
- Any current supply is illicit or counterfeit
✚Overdose signs
- Slow breathing
- Pinpoint pupils
- Collapse
Category comparison — Opioids
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Dipipanone (Diconal) | Withdrawn in the UK; Schedule I | Notorious in the UK for injection deaths — cyclizine gave a 'rush' that drove IV use; Withdrawn due to fatal abuse | Rare relic |
| Heroin | Schedule I | Extremely addictive — physical dependence in weeks; Overdose: breathing slows or stops | ~$10–$40 per bag |
| Fentanyl | Schedule II | Respiratory depression; Addiction in days | ~$20–$40 per counterfeit pill |
| Fentanyl HCl (powder) | Schedule II / analogue prosecutions | Lab-purity powder is far stronger than street mixes; Weighing errors are fatal | ~$60–$120/gram wholesale equivalent |
| Acetylfentanyl | Schedule I | ~5–15× weaker than fentanyl but still deadly at gram-level mistakes; Frequent cause of cluster overdoses | ~$25–$60/g where found |
| Furanylfentanyl (Fu-F) | Schedule I | Linked to hundreds of fatal overdoses 2016–2018; Potency similar to fentanyl | ~$20–$50/g |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Dipipanone (Diconal) look like?
Tablets combined with cyclizine (Diconal); illicit leftovers and lookalikes
What are the signs of a Dipipanone (Diconal) overdose?
Slow breathing; Pinpoint pupils; Collapse Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.
How addictive is it?
Notorious in the UK for injection deaths — cyclizine gave a 'rush' that drove IV use Dependence can develop with regular use.