Pictures of Klonopin (Clonazepam), drug imprint information, side effects for the patient. User Reviews for Clonazepam to treat Burning Mouth Syndrome. Also known as: KlonoPIN, KlonoPIN Wafer. The following information is NOT intended to endorse drugs or recommend therapy. DrugInserts.com provides trustworthy package insert and label information about marketed drugs as submitted by manufacturers to the US Food and Drug Administration. Clonazepam has many side effects. The most common ones in people treated for seizures are drowsiness, ataxia (a type of clumsiness), and behavior changes. Meclizine is the generic name for the prescription drug called Antivert and the over-the-counter (OTC) medicines known as Dramamine and Bonine. Clonazepam is an inexpensive drug used to treat certain types of seizures. It is also used to treat panic disorder. This drug is slightly more popular than comparable drugs. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Looking for the closest thing to Xanax over the counter, and available in stores without a prescription? Look no further! Check out my top 3 OTC Xanax / Ativan alternatives. DESCRIPTION. Klonopin, a benzodiazepine, is available as scored tablets with a K-shaped perforation containing 0.5 mg of clonazepam and unscored tablets with a K-shaped perforation containing 1 mg or 2 mg of clonazepam. Clonazepam oral tablet is available as a generic drug and a brand-name drug. Brand name: Klonopin. Clonazepam comes as both an oral tablet and an oral disintegrating (dissolving) tablet.