At a Glance
| Dextromethorphan | Diphenidine | |
|---|---|---|
| Class | Dissociatives | Dissociatives |
| Common Dose (oral) | 200–400 mg | 65–100 mg |
| Total Duration | 4.5–10 hrs | 1–3 hrs |
| Routes | oral | oralrectal |
Dextromethorphan, a Dissociatives, and Diphenidine, a Dissociatives, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. Both are classified as Dissociativess, meaning they share a common pharmacological foundation. They share 55 documented effects in common, with 55 effects unique to Dextromethorphan and 2 unique to Diphenidine. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
| Dextromethorphan | Diphenidine | |
|---|---|---|
| Class | Dissociatives | Dissociatives |
| Common Dose (oral) | 200–400 mg | 65–100 mg |
| Total Duration | 4.5–10 hrs | 1–3 hrs |
| Routes | oral | oralrectal |
| Effects | 110 documented | 57 documented |
| Interaction | Caution | |
| Level | Dextromethorphan | Diphenidine |
|---|---|---|
| Threshold | 75 mg | 30 mg |
| Light | 100–200 mg | 40–65 mg |
| Common | 200–400 mg | 65–100 mg |
| Strong | 400–700 mg | 100–130 mg |
| Heavy | 700 mg | 130 mg |
| Level | Dose |
|---|---|
| Threshold | 5 mg |
| Light | 10–20 mg |
| Common | 20–40 mg |
| Strong | 40–80 mg |
| Heavy | 80 mg |
| Level | Dose |
|---|---|
| Light | 20 mg |
| Common | 20–40 mg |
| Strong | 40–55 mg |
| Heavy | 55 mg |
Dextromethorphan
Diphenidine
Compounding dissociative effects can cause confusion, mania, and loss of motor control