Lannett Company $LCI said on Tuesday that it got an approval from the FDA for Buprenorphine and Naloxone Sublingual Tablets, 2 mg/0.5 mg and 8 mg/2 mg, meant to cure opioid addiction, the therapeutic equivalent to the reference listed drug, Suboxone Sublingual Tablets, 2 mg/0.5 mg and 8 mg/2 mg.