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Treatment Comparison

Synvisc-One vs Euflexxa

Compare Synvisc-One (single injection, avian) with Euflexxa (3 injections, non-avian). Key differences in convenience, allergy safety, and cost.

Side-by-Side Comparison

Injections Needed

Synvisc-One 1 (single)
Euflexxa 3 (weekly)

Source Material

Synvisc-One Avian (rooster comb)
Euflexxa Bacterial fermentation

Bird Allergy Safe

Synvisc-One No
Euflexxa Yes

Molecular Weight

Synvisc-One Very high (6M Da)
Euflexxa Medium (2.4-3.6M Da)

Volume

Synvisc-One 6 mL
Euflexxa 6 mL (2 mL × 3)

Self-Pay Cost

Synvisc-One $800-$1,200
Euflexxa $600-$900

Office Visits

Synvisc-One 1
Euflexxa 3

Duration

Synvisc-One Up to 6 months
Euflexxa 6+ months

Medicare Coverage

Synvisc-One Yes
Euflexxa Yes

It Depends on Your Situation

Synvisc-One offers single-injection convenience with highest molecular weight. Euflexxa requires 3 visits but is safe for bird allergies and often cheaper.

Best for: Synvisc-One for convenience; Euflexxa for allergy safety or lower cost.

Convenience vs. Flexibility

This comparison pits the most convenient option (Synvisc-One: one visit) against the most accessible option (Euflexxa: safe for allergies, often cheaper). Both deliver 6 mL of HA total—just differently.


Side-by-Side Comparison

FactorSynvisc-OneEuflexxa
Injections13 weekly
SourceAvianNon-avian
Bird allergy safeNoYes
Volume6 mL (once)6 mL (2 mL × 3)
Molecular weightVery high (6M Da)Medium (2.4-3.6M Da)
Self-pay$800-$1,200$600-$900
Office visits13
DurationUp to 6 months6+ months

Synvisc-One: Maximum Convenience

Advantages

One visit only - Complete treatment in 15 minutes
Single copay - One insurance billing event
Highest molecular weight - Maximum cushioning potential

Considerations

Not for avian allergies - Rooster comb derived
Higher cost - $200-300 more than Euflexxa

Euflexxa: Accessible and Affordable

Advantages

Bird allergy safe - No animal-derived ingredients
Lower total cost - Often $200-300 cheaper
Smaller individual injections - 2 mL each may be more comfortable

Considerations

Three appointments - Must return weekly for 3 weeks
Multiple copays possible - Depending on insurance

The Tradeoff: Time vs. Money

FactorSynvisc-OneEuflexxa
Time investment1 visit (30 min)3 visits (2+ hours total)
Total costHigherLower
ConvenienceMaximumModerate
Allergy-friendlyNoYes

Making Your Decision

Choose Synvisc-One if:

  • No bird/egg allergies
  • Convenience is your priority
  • You can’t make multiple appointments
  • You want highest molecular weight

Choose Euflexxa if:

  • You have avian allergies
  • Cost is a primary concern
  • You can easily attend 3 weekly visits
  • You prefer smaller individual injections

The Bottom Line

Synvisc-One wins on convenience—one visit, one copay, done.

Euflexxa wins on accessibility—allergy-safe, lower cost, smaller injections.

Both deliver 6 mL of HA total and provide similar duration of relief. Your allergy status, schedule, and budget should guide the decision.

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