B 839 (Mefenamic acid 250 mg)
Pill imprint B 839 has been identified as Mefenamic acid 250 mg.
Mefenamic acid is used in the treatment of period pain; pain and belongs to the drug class nonsteroidal anti-inflammatory agents. Risk cannot be ruled out during pregnancy. Mefenamic acid 250 mg is not a controlled substance under the Controlled Substance Act (CSA).
More about mefenamic acid
- Other brands: Ponstel
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