How to prepare ISONIAZID SYRUP 10MG/ML: 1. Crush tablets in a mortar to a fine powder. 2. Levigate the powder with 10mL of distilled water until a smooth paste is formed. 3. Add Sorbitol 70% to the paste until a liquid is formed and transfer the liquid into the container. 4. Use additional Sorbitol 70% to rinse the remaining drug from the mortar and pour into the container. 5. Make up to final volume with Sorbitol 70%. 6. Shake well and label.