Suboxone is a combined medication to treat Opioid addiction. Suboxone available in two variants: Suboxone 8 mg and 2 mg. It contains two ingredients buprenorphine and naloxone. Buprenorphine is best for decreasing the symptoms of opioids and Naloxone helps to prevent medicine overdose. Suboxone is an FDA-Approved medication. Suboxone can cause mild and severe side effects.