What solubility and stability checks are required before adding another medicine to the Baxter Healthcare Ltd potassium chloride 0.15% w/v + sodium chloride 0.9% w/v solution for infusion product in a Viaflo container?

Before adding medicine to the Baxter Healthcare Ltd potassium chloride 0.15% w/v + sodium chloride 0.9% w/v infusion product in Viaflo, consult the added medicine’s instructions, assess incompatibility, verify solubility and/or stability in water at pH 4.5–7.0, and exclude known incompatible additives.