SP 39 (Guaifenesin 400 mg)
Pill with imprint SP 39 is White, Capsule-shape and has been identified as Guaifenesin 400 mg. It is supplied by Reese Pharmaceutical Co..
Guaifenesin is used in the treatment of bronchitis; cough; fibromyalgia; bronchiectasis and belongs to the drug class expectorants. Risk cannot be ruled out during pregnancy. Guaifenesin 400 mg is not a controlled substance under the Controlled Substance Act (CSA).
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- Drug class: expectorants
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