Initial Treatment for Adolescent Bell's Palsy
Adolescents with Bell's palsy should be treated with oral corticosteroids within 72 hours of symptom onset, using the same regimen as adults: prednisolone 50 mg daily for 10 days OR prednisone 60 mg daily for 5 days followed by a 5-day taper, combined with aggressive eye protection measures. 1
Treatment Algorithm
Immediate Management (Within 72 Hours)
Corticosteroid Therapy:
- Prednisolone 50 mg orally once daily for 10 days, OR 1
- Prednisone 60 mg orally once daily for 5 days, then taper over 5 days 1
- For adolescents significantly below average weight, consider weight-based dosing of 1 mg/kg/day (maximum 60 mg/day) 1
- Critical timing: Treatment must be initiated within 72 hours of symptom onset; beyond this window, there is no proven benefit 1, 2
Evidence supporting this approach: Corticosteroids show 83% recovery at 3 months versus 63.6% with placebo, and 94.4% recovery at 9 months versus 81.6% with placebo 1. While the strongest evidence exists for patients 16 years and older, adolescents should be treated with the adult protocol given their age proximity and the favorable safety profile of short-term corticosteroids 1, 2.
Optional Combination Therapy
Antiviral Addition (Optional, Minimal Benefit):
- May add valacyclovir 1 g orally three times daily for 7 days, OR 3
- Acyclovir 400 mg orally five times daily for 10 days 1, 3
- Only in combination with corticosteroids—never as monotherapy 1, 2
- Combination therapy shows 96.5% complete recovery versus 89.7% with steroids alone, but this small benefit must be weighed against minimal risks 1
Mandatory Eye Protection Protocol
All adolescents with impaired eye closure require immediate aggressive eye protection: 1, 2
- Daytime: Lubricating ophthalmic drops every 1-2 hours while awake 1, 2
- Nighttime: Ophthalmic ointment at bedtime for sustained moisture retention 1, 2
- Mechanical protection: Eye patching or taping at night (with careful instruction on proper technique to avoid corneal abrasion) 1, 2
- Outdoor protection: Sunglasses to protect against wind and foreign particles 1, 2
- Severe cases: Consider moisture chambers using polyethylene covers 1
Urgent ophthalmology referral is required for: 1, 2
- Complete inability to close the eye
- Eye pain, vision changes, redness, or discharge
- Signs of corneal exposure or damage
Diagnostic Considerations
Confirm the diagnosis through: 1, 2
- Acute onset (less than 72 hours) of unilateral facial weakness involving the forehead
- Exclusion of identifiable causes: trauma, infection, tumor, stroke
- No other neurologic abnormalities
- Laboratory testing
- Diagnostic imaging (unless atypical features present)
Atypical features requiring imaging (MRI with and without contrast): 1
- Bilateral facial weakness
- Isolated branch paralysis
- Other cranial nerve involvement
- Recurrent paralysis on same side
- Progressive weakness beyond 3 weeks
Follow-Up Schedule
Mandatory reassessment timeline: 1, 2
- Initial visit: Within 72 hours for treatment initiation and eye care education
- Early follow-up: 1-2 weeks to assess recovery trajectory and reinforce eye protection
- 3-month evaluation: Mandatory reassessment for all patients with incomplete recovery—refer to facial nerve specialist at this point 1, 2
Urgent reassessment required at any time for: 1, 2
- New or worsening neurologic findings
- Development of ocular symptoms
- Progressive weakness beyond expected timeline
Common Pitfalls to Avoid
- Never prescribe antiviral monotherapy—it is completely ineffective and delays appropriate corticosteroid treatment 1, 2, 3
- Do not start corticosteroids beyond 72 hours—no proven benefit after this window 1, 2
- Avoid inadequate eye protection—can lead to permanent corneal damage, particularly with severe lagophthalmos 1, 2
- Do not use standard methylprednisolone dose packs—they provide only 105 mg prednisone equivalent versus the required 540 mg over 14 days, representing significant underdosing 1
- Improper eye taping technique can cause corneal abrasion—provide careful instruction 1, 2
- Failing to refer at 3 months delays access to reconstructive options for the 30% who may have permanent facial weakness 1, 2
Therapies NOT Recommended
The following have no proven benefit: 1, 2
- Physical therapy (limited evidence, no benefit over spontaneous recovery)
- Acupuncture (poor-quality trials, indeterminate benefit-harm ratio)
- Surgical decompression (rarely indicated except in specialized circumstances)
Prognosis
- Adolescents have excellent prognosis, similar to or better than adults
- With corticosteroid treatment: 83% recover at 3 months, 94.4% at 9 months
- Incomplete paralysis at presentation: up to 94% complete recovery
- Most patients begin showing recovery within 2-3 weeks
- Complete recovery typically occurs within 3-4 months