American journal of physical medicine & rehabilitation
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Am J Phys Med Rehabil · Aug 2010
Randomized Controlled TrialComparison between botulinum toxin and corticosteroid injection in the treatment of acute and subacute tennis elbow: a prospective, randomized, double-blind, active drug-controlled pilot study.
To compare botulinum toxin type A injection with corticosteroid injection in the treatment of tennis elbow. ⋯ Corticosteroid is superior to botulinum toxin type A in relieving pain in tennis elbow at 4 wks after injection. Because botulinum toxin injection did not relieve pain significantly but is associated with weakness, the muscle weakness caused by botulinum toxin is unlikely to be the sole mechanism of the pain relief observed in previous studies.