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Robaxacet Extra Strength is an over‑the‑counter dual‑action caplet formulation combining 500 mg of acetaminophen, a proven pain reliever, with 400 mg of methocarbamol, a muscle relaxant, to deliver fast, effective relief from muscle spasms and pain—especially targeting back discomfort, tense neck muscles, strains, and sprains. Designed for adult use, it addresses both pain and muscular tension at the source, with effects often starting within an hour. When used as directed—not exceeding 8 caplets per 24 hours—it provides a reliable option for short‑term management of musculoskeletal discomfort, though users should avoid alcohol and other acetaminophen‑containing products due to liver risks.