Effectiveness study of a topical analgesic preparation

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1977

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Abstract

This study was designed to evaluate the effect of a topical analgesic in the relief of muscular pain in the neck, shoulder, and low back regions of human subjects. The single blind study was conducted using the commercial product Analgesic Balm^R, composed of methyl salicylate and menthol in an ointment base. Aquaphor^R, a plain ointment base, was selected as the placebo. A series of questionnaires were used to evaluate objective and subjective responses. Thirty-one patients entered the study and were randomly assigned to two groups. The study period lasted twenty-four hours. Analgesic Balm^R was found to relieve perceived pain significantly more than the placebo at p ≤ 0.05. The clinical condition of the study patients did not change significantly at p ≤ 0.01. The author concluded that Analgesic Balm^R contributed to the relief of pain in the study patients, thus demonstrating its usefulness in the population studied.

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