The drug has a high risk of being abused when taken recreationally and long-term use always leads to low-dose dependence. Street names include tranks, downers, benzos, and k-pins. Side effects include confusion, hallucinations, hyperactivity, agitation, weak or shallow breathing, depressed mood, suicidal thoughts. Sep 28, - 1; Mixing with other drugs: Other drugs that can increase the risk of a Klonopin overdose include opioid pain medications (OxyContin, Vicodin), general anesthetics, other sedatives, and cold medicines that contain antihistamines. 4; Abusing the medication: People who abuse Klonopin may take doses that. Learn to recognize who is in danger of overdose, the warning signs and more here. If you or a loved one has a Klonopin addiction, Black Bear Lodge can help.