Do not take nabumetone during pregnancy nabumetone ei reseptia ostaa unless your doctor has told you to. MedicineNet does not provide medical advice, diagnosis or treatment. Nursing Mothers It is not known whether this drug is excreted in human milk, however 6MNA is excreted in the milk of lactating rats. Nabumetone nb mt ,n brand name: drug class: nonsteroidal action: inhibits prostaglandin synthesis by interfering with cyclooxygenase needed for possesses analgesic, antiinflammatory, and antipyretic uses: osteoarthritis, rheumatoid arthritis. Com provides free, accurate and independent advice on more than 24,000 prescription drugs, over-the-counter medicines natural products.