Generic Name: Calcium

  • What is Phoslo?

    Phoslo is a medicine used to reduce blood phosphorus levels in people with end-stage renal disease (when the kidneys stop working well enough for you to live without dialysis or a transplant).

  • What is the most important information I should know about Phoslo?

    Phoslo can cause an increase in your blood calcium levels. Do not take calcium supplements, including calcium-based antacids, while you are taking Phoslo. Also, you should decrease or stop vitamin D therapy while you are taking Phoslo. Tell your doctor if you experience constipation, loss of appetite, nausea, vomiting, confusion, or loss of consciousness.

    Follow-up with your doctor regularly to monitor your blood calcium and phosphorus levels while you are taking Phoslo.

  • Who should not take Phoslo?

    Do not take Phoslo if you are allergic to it or any of its ingredients, or if you have high blood calcium levels.

  • What should I tell my doctor before I take the first dose of Phoslo?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Phoslo. Also, talk to your doctor about your complete medical history, especially if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults: The recommended starting dose is 2 gelcaps with each meal. Your doctor may adjust your dose based on your blood phosphorus levels.

  • How should I take Phoslo?

    Take Phoslo exactly as prescribed by your doctor. You can take Phoslo with each meal. You should maintain your prescribed diet.

    If you are taking certain oral antibiotics (such as ciprofloxacin or tetracycline), take the antibiotic 1 hour before or 3 hours after you take Phoslo.

  • What should I avoid while taking Phoslo?

    Do not take calcium supplements, including calcium-based antacids while you are taking Phoslo.

  • What are possible food and drug interactions associated with Phoslo?

    If Phoslo is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Phoslo with the following: calcium-based antacids, certain oral antibiotics, or digoxin.

  • What are the possible side effects of Phoslo?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: allergic skin reactions, dizziness, high blood calcium levels, nausea, swelling, vomiting, weakness

  • Can I receive Phoslo if I am pregnant or breastfeeding?

    The effects of Phoslo during pregnancy and breastfeeding are unknown. Phoslo can be found in your breast milk if you take it during breastfeeding. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Phoslo?

    If you miss a dose of Phoslo, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

  • How should I store Phoslo?

    Store at room temperature.