One-liner#
Adult/geriatric outpatient approach to tremor: distinguish essential tremor from parkinsonism, medication-induced tremor, and cerebellar tremor, and set an initial management and referral plan.
Quick nav#
- Red flags / send to ED
- Key history
- Focused exam
- Differential (quick pattern recognition)
- Workup
- Initial management
- Management by diagnosis
- Follow-up
- Patient instructions
- Smartphrase snippets
Red flags / send to ED#
- Acute onset tremor with new focal neuro deficits, altered mental status, or severe headache
- Rapidly progressive neurologic symptoms (ataxia, weakness) or toxin/withdrawal concern
Key history#
- Onset: gradual vs sudden; progression; triggers (stress, caffeine, alcohol withdrawal)
- Type: worse at rest vs action; affects handwriting, utensils, voice/head
- Distribution: unilateral vs bilateral; legs/trunk involvement
- Medications: stimulants, SSRIs/SNRIs, lithium, valproate, bronchodilators; new meds/dose changes
- Family history; alcohol effect (often improves essential tremor)
- Parkinsonism symptoms: slowness, stiffness, gait change, reduced arm swing
Focused exam#
- Observe at rest, posture, and action (finger-to-nose, writing/spiral)
- Look for parkinsonism: bradykinesia, rigidity, rest tremor, gait/posture changes
- Cerebellar signs: dysmetria, ataxia, nystagmus
- Review meds and check vitals (thyroid/toxic causes)
Differential (quick pattern recognition)#
Common/likely (outpatient)#
| Diagnosis | Keywords patients use | Key clues | Focused exam clues | Initial next step |
|---|---|---|---|---|
| Essential tremor | “Shaky hands,” worse with activity | Action tremor; often bilateral; family history | Tremor with posture/action | Reduce triggers; consider first-line meds |
| Parkinsonian tremor | “Shaking at rest” | Rest tremor + slowness/stiffness | Bradykinesia/rigidity | Neuro referral for diagnosis/management |
| Medication-induced tremor | “Started after a new med” | Temporal relation to med change | Variable | Adjust/deprescribe |
| Enhanced physiologic tremor | “Worse with anxiety/caffeine” | Stress, caffeine, hyperthyroid | Fine tremor | Remove triggers; evaluate thyroid if indicated |
| Cerebellar/intention tremor | “Shaky when reaching” | Worse with action/targeting | Dysmetria/ataxia | Evaluate for cerebellar disease; refer |
Can’t-miss / urgent#
| Diagnosis | Keywords patients use | Key clues | Focused exam clues | Initial next step |
|---|---|---|---|---|
| Toxic/metabolic cause | “Shaky and sick” | Withdrawal/toxin; systemic symptoms | Abnormal vitals/AMS | ED/urgent eval |
Workup#
- No routine imaging for classic essential tremor.
- Consider targeted labs when suggested by history/exam: TSH, CMP, medication/toxin review.
- Consider neurology referral for suspected parkinsonism, atypical tremor, or rapid progression.
Initial management#
- Reduce triggers (caffeine, sleep deprivation) and review medication contributors.
- Address functional goals (writing, eating) and safety (falls if gait involved).
- If gait changes are present, consider Gait instability / falls and screen for orthostasis/med effects.
Management by diagnosis#
Essential tremor#
Education:
- Common and benign but can be function-limiting; progression is usually slow
- Alcohol often temporarily improves tremor (do not recommend as treatment)
- Medications help ~50% of patients; may need to try multiple options
Treatment:
- Reduce triggers (caffeine, sleep deprivation); treat anxiety when it is a driver
- OT/adaptive devices for utensils, pens, and keyboarding; consider weighted utensils
| Drug | Dose | Contraindications | Monitoring | Cost | Notes |
|---|---|---|---|---|---|
| Propranolol | 20–40 mg BID–TID (start 20 mg BID); max 320 mg/day | Asthma/COPD, bradycardia, decompensated HF, depression | HR, BP | $ | First-line; also helps anxiety; avoid abrupt discontinuation |
| Propranolol LA | 60–160 mg daily | Same as above | Same | $ | Once-daily option; start 60 mg |
| Primidone | 25 mg QHS, titrate slowly to 250 mg TID | Porphyria | Sedation, ataxia (start very low) | $ | First-line alternative; very sedating initially—start 12.5–25 mg |
| Topiramate | 25–200 mg BID | Kidney stones, pregnancy | Cognitive SE, weight | $ | Second-line; weight loss effect |
| Gabapentin | 300–600 mg TID | CKD (reduce dose) | Sedation | $ | Second-line; modest evidence |
Elderly patients: start propranolol at 10–20 mg BID; avoid primidone if fall risk or cognitive concerns.
Botulinum toxin injections: specialist-administered for refractory head/voice tremor.
Follow-up: 6–12 weeks to assess function and med response.
Suspected parkinsonism#
Education:
- Tremor at rest with slowness/stiffness suggests parkinsonism
- Parkinson’s disease is a clinical diagnosis; imaging rarely needed initially
- Early PT and fall prevention are important regardless of medication decisions
Treatment:
- Refer to neurology for diagnosis confirmation and medication initiation
- PT for gait/balance early
- Review meds that can worsen parkinsonism:
| Medication class | Examples | Action |
|---|---|---|
| Dopamine blockers | Metoclopramide, prochlorperazine, haloperidol | Avoid or substitute |
| Atypical antipsychotics | Risperidone, olanzapine | Use quetiapine if antipsychotic needed |
| Antiemetics | Promethazine | Use ondansetron instead |
Do NOT start levodopa or dopamine agonists without neurology guidance—diagnosis confirmation and dosing require specialist input.
Follow-up: 2–4 weeks to ensure referral and safety planning.
Medication-induced tremor#
- Education: common; often reversible with dose changes.
- Treatment: identify the culprit and adjust/deprescribe per local protocol; reassess after changes before extensive testing when safe.
- Follow-up: 2–6 weeks depending on severity.
Follow-up#
- Reassess in 6–12 weeks for essential tremor management response.
- Escalate sooner for rapid progression, gait instability, or new focal deficits.
Patient instructions#
- Reduce caffeine and prioritize sleep; note if alcohol changes tremor (do not use alcohol as treatment).
- Bring a medication list to review potential contributors.
- Seek urgent care now for sudden tremor with weakness, confusion, severe headache, or trouble walking.
Smartphrase snippets#
Essential tremor, starting treatment:
Action tremor consistent with essential tremor: bilateral, worse with posture/action, no bradykinesia or rigidity. Family history [positive/negative]. No red flags. Discussed trigger reduction (caffeine, sleep). Starting propranolol [dose]. Follow up 6–12 weeks to assess response. Return sooner if new symptoms (stiffness, gait changes, weakness).
Suspected parkinsonism, referral:
Rest tremor with [bradykinesia/rigidity/gait changes] concerning for parkinsonism. Referred to neurology for evaluation and management. Reviewed medications for dopamine blockers—[none identified/discontinued X]. PT referral for gait and balance. Fall precautions discussed. Follow up 2–4 weeks to ensure referral completed.
Medication-induced tremor:
Tremor temporally related to [medication]. No other neurologic findings. Plan: [reduce dose/discontinue/switch to alternative]. Reassess in 2–4 weeks. If tremor persists after medication change, will pursue further workup.
Related pages#
Complaint pages#
- Gait instability/Falls — if tremor with balance/gait changes
- Memory change — if cognitive symptoms accompany parkinsonism
- Weakness — if motor weakness accompanies tremor
- Anxiety — enhanced physiologic tremor with anxiety
Problem pages#
- Generalized Anxiety Disorder — anxiety-related tremor
- Hyperthyroidism — thyroid-related tremor