28 Mar 2019 Detailed Loperamide dosage information for adults and children. Includes dosages for Dosage; More. Applies to the following strengths: 2 mg; 1 mg/5 mL; 1 mg/7.5 mL -Use the non-prescription liquid formulation for patients 2 to 5 years old. Loperamide Hydrochloride (AHFS Monograph)...