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.
The recommended starting Keppra dosage for treating myoclonic seizures in adults and adolescents (age 12 and older) and for treating partial or grand mal seizures in adults and adolescents (age 16 and older) is 500 mg twice daily.or children age 6 months to 15 years old with partial seizures (or children age 6 years to 15 years old with grand mal seizures), the recommended Keppra dose depends on weight. Usually, the starting dose is Keppra 10 mg per kg twice daily (about 4.5 mg per pound twice daily).