Your doctor will tell you how much of this medicine to use and how often. Your dose may need to be changed several times in order to find out what works best for you. Do not use more medicine or use it more often than your doctor tells you to.
Carefully follow your doctor's instructions about diet, vitamins, and mineral supplements.
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Make sure your doctor knows if you are also using digoxin (Lanoxin®).
Do not use vitamin D or calcium supplements without asking your doctor.
Your doctor may tell you to limit your dietary intake of phosphate. Foods that are high in phosphate include milk, cheese, yogurt, peas, beans, leafy green vegetables, nuts, chocolate, and cola soft drinks.