Confidence votes 76. It depends on the temperature of the refrigerator and how well the pack is resealed. Three to ten days depending on the environment.
Pediatric Patients: Klonopin is administered orally. In order to minimize drowsiness, the initial dose for infants and children (up to 10 years of age or 30 kg of body weight) should be between 0.01 and 0.03 mg/kg/day but not to exceed 0.05 mg/kg/day given in two or three divided doses.
For the treatment of seizures, most adults start with 0.5 mg clonazepam tablets (one tablet three times a day). Your healthcare provider may slowly increase your dose as necessary to control your seizures, up to a maximum of clonazepam 20 mg total per day (split up into three smaller doses per day).