Medrol in syrup or solution:, how to prepare best?

  So 30 ml should be prepared with 8 mg methylprednisolone per 5 ml. Methylprednisolone is available in a quantity of 400 mg per pack.  

In A small   mortar, tarnished together with pestle,   weigh 48 mg of methylprednsiolon and add 60 mg of xanthan gum,   60 mg of nasaccharinate, 45 mg K sorbate and 30 mg citric acid, 1.2   g sorbitol. All products are mixed together. The powder mass is rubbed with a small amount of water into a smooth paste  . Then it is diluted with 15 ml of water and the contents of the mortar is mixed to homogenous. . The mortar is placed on the balance and diluted with water up to tare weight + 30