Management of Prednisone-Induced Tremors
For patients experiencing tremors after prednisone therapy, the most effective approach is to reduce the prednisone dose by 25-33% and reassess in one month, while considering propranolol as a symptomatic treatment if tremors are significantly impacting quality of life.
Assessment of Prednisone-Induced Tremors
When evaluating tremors that develop after prednisone administration:
Determine tremor characteristics:
- Timing in relation to prednisone initiation
- Severity (mild, moderate, severe)
- Impact on activities of daily living
- Pattern (resting, postural, action)
Rule out other potential causes:
- Other medications that may cause tremor
- Underlying neurological conditions
- Metabolic disorders (thyroid dysfunction, electrolyte imbalances)
Management Algorithm
Step 1: Dose Modification
- If tremors are manageable and tolerable but impacting quality of life:
Step 2: Alternative Corticosteroid Options
If tremors persist despite dose reduction:
- Consider switching to deflazacort if weight gain/behavior are main issues 1
- Consider alternate-day dosing (0.75-1.25 mg/kg every other day) 1
- Consider weekend-only dosing (5 mg/kg given Friday and Saturday) 1
- Consider intermittent dosing (10 days on, 10-20 days off) 1
Step 3: Symptomatic Treatment
If tremors remain problematic despite corticosteroid adjustments:
First-line: Propranolol (beta-blocker) - effective for tremor control 2
- Starting dose: 10-20 mg twice daily
- May increase gradually based on response
- Monitor for bradycardia, hypotension, and bronchospasm
Alternative: Primidone - if propranolol is ineffective or contraindicated 2
- Start at low dose (12.5-25 mg) and gradually increase
- Monitor for sedation and dizziness
Step 4: For Severe, Refractory Cases
- If tremors are severe and unmanageable despite above measures:
- Consider discontinuing prednisone if clinically feasible
- Consult neurology for specialized evaluation and management
- Consider alternative immunosuppressants based on the underlying condition
Special Considerations
Tapering: When reducing prednisone, taper slowly using 1 mg decrements every 2-4 weeks to avoid withdrawal symptoms 3
Monitoring: Regular follow-up to assess tremor response to interventions and monitor for other corticosteroid side effects
Patient Education: Inform patients that tremors are a known side effect of prednisone that often improves with dose reduction or discontinuation
Risk Factors: Higher doses, longer duration of therapy, and older age increase risk of developing tremors 4
Prognosis
Drug-induced tremors typically resolve once the offending medication is discontinued or reduced to the minimum effective dose 4. However, in some cases, tremors may persist (tardive tremor), requiring ongoing symptomatic management.
The goal of management is to balance the therapeutic benefits of prednisone against the impact of tremors on quality of life, using the minimum effective dose of prednisone while providing symptomatic relief as needed.