Suboxone is an FDA-approved medication used to treat ADHD. It is a combination of buprenorphine, which is a partial opioid agonist, and naloxone, which is an opioid antagonist. It is a Schedule IV controlled substance. This medicine works instantly within 20 minutes after taking the first dosage. Pregnant women can not take suboxone because it may cause life-threatening withdrawal symptoms in the newborn. Store this medicine at room temperature keep away from heat and water.