depressants that help to slow down the nervous system. Klonopin is only available with a doctor’s prescription and should only be used as prescribed. Klonopin is a controlled substance. This medication may be habit-forming, you should take special precautions when using Klonopin to ensure you are being safe. Klonopin may be used alone or together with other medications, which your doctor will determine. Klonopin can be used by both adults and children for seizure disorders, and by adults only for panic attacks