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.
Clonazepam comes in tablets from .125 mg to 2 mg. According to information from Drugs.com, while .5 mg every eight hours is a starting dose for treatment of seizure disorders, doctors may increase the dose of clonazepam by .5 mg over time until symptoms are controlled.