| Age at onset (y) | 55–75 | 10–80 |
| Family history | +/– | ++ |
| Tremor frequency (Hz) | 4–6 | 5–10 |
| Tremor characteristics | Supination–pronation | Flexion–extension |
| Influencing factors |
| Rest | Increases | Decreases |
| Action | Decreases | Increases |
| Mental concentration | Decreases | Increases |
| Writing | Decreases (micrographia) | Increases (tremulous) |
| Walking | Increases | Decreases |
| Alcohol | — | Decreases |
| Postural tremor | Re-emergent | Without latency |
| Kinetic tremor | +/– | Yes |
| Limb tremor | Asymmetric | Symmetric |
| Distribution other than limbs | Face, jaw, lips, chin | Head, voice |
| Neuroimaging—dopaminergic system | Marked dopaminergic deficit | Mild dopaminergic deficit |
| Mid-brain sonography | Marked hyper-echogenicity | Mild hyper-echogenicity |
| Neuropathology | Nigrostriatal degeneration, Lewy bodies | Mild cerebellar degeneration, Lewy bodies in the substantia nigra, brainstem and cerebellum some cases |
| Treatment | Anticholinergics, amantadine, dopaminergic drugs, deep brain stimulation | Alcohol, beta-blockers, primidone, topiramate, gabapentin, botulinum toxin, deep brain stimulation |