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Foscure 500 Chewable Tablet

Lanthanum Carbonate (500mg)

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Foscure 500 Chewable Tablet is used to treat increased phosphate level in the blood. It is used in patients who are on dialysis due to severe kidney disease. It inhibits the absorption of phosphate from the intestine and lower the phosphate levels in the blood.

Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 08 Oct 2026 | 01:02 AM (IST)

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General Information

Contains

Lanthanum Carbonate (500mg)

Marketer

Amzenex Healthcare Private Limited

Storage

Store below 30°C

The content is shown in English

Product introduction

Foscure 500 Chewable Tablet is used to control the levels of phosphate in the blood of adult kidney failure patients on dialysis

Uses of Foscure Chewable Tablet

High phosphate levels in blood

Benefits of Foscure Chewable Tablet

High phosphate levels in blood
High phosphate levels in the blood (also known as hyperphosphatemia) commonly occur in people with chronic kidney disease, where the kidneys are unable to properly filter out excess phosphate. Foscure 500 Chewable Tablet is used to manage this condition. It helps by binding to phosphate from food in the digestive tract, preventing its absorption into the bloodstream. This helps maintain healthier phosphate levels and reduces the risk of complications related to bone and heart health.

Side effects of Foscure Chewable Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Foscure

Vomiting
Abdominal pain
Nausea

How to use Foscure Chewable Tablet

Use it as advised by your doctor or check the label for directions before use. Take this medication by mouth. Chew it completely before swallowing, or as directed by your doctor. Foscure 500 Chewable Tablet should be taken with or after food.

How Foscure Chewable Tablet works

Foscure 500 Chewable Tablet inhibits the absorption of phosphate from the intestine and lower the phosphate levels in the blood.

Quick tips

Foscure 500 Chewable Tablet is used to control blood phosphate level in patients that are on dialysis treatment.
You must take it with food and stick to the diet prescribed by your doctor.
You may develop low levels of calcium, folic acid, and vitamins A,D,E, and K in your blood. Your doctor may prescribe supplements, if necessary.
Avoid taking any other medicine 1 hour before or 3 hours after taking Foscure 500 Chewable Tablet.
Inform your doctor if you have nausea, vomiting, constipation, pain in the abdomen, or if you have undergone any major stomach surgery.
Foscure 500 Chewable Tablet is used to control blood phosphate level in patients that are on dialysis treatment.
You must take it with food and stick to the diet prescribed by your doctor.
You may develop low levels of calcium, folic acid, and vitamins A,D,E, and K in your blood. Your doctor may prescribe supplements, if necessary.
Avoid taking any other medicine 1 hour before or 3 hours after taking Foscure 500 Chewable Tablet.
Inform your doctor if you have nausea, vomiting, constipation, pain in the abdomen, or if you have undergone any major stomach surgery.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Foscure 500 Chewable Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Foscure 500 Chewable Tablet is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.

Breast feeding

CONSULT YOUR DOCTOR

Information regarding the use of Foscure 500 Chewable Tablet during breastfeeding is not available. Please consult your doctor.

Driving

UNSAFE

Foscure 500 Chewable Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Dizziness and vertigo (a feeling of dizziness or “spinning”) are uncommon side effects reported by patients taking Foscure 500 Chewable Tablet

Kidney

SAFE IF PRESCRIBED

Foscure 500 Chewable Tablet is safe to use in patients with kidney disease. No dose adjustment is recommended.

Liver

CONSULT YOUR DOCTOR

There is limited data available on the use of Foscure 500 Chewable Tablet in patients with liver disease.

Frequently asked questions

What is Foscure 500 Chewable Tablet used for?

Foscure 500 Chewable Tablet is a phosphate binder used in people with end-stage kidney disease. It helps reduce high phosphate levels in the blood, which dialysis alone cannot fully control, and lowers the risk of bone and heart complications caused by excess phosphate.

Who should not take Foscure 500 Chewable Tablet?

Foscure 500 Chewable Tablet should not be used by people who are allergic to lanthanum carbonate or any ingredients present in it. It is also contraindicated in patients with blocked intestines, severe constipation, or fecal impaction.

What serious stomach problems can Foscure 500 Chewable Tablet cause?

Some patients taking Foscure 500 Chewable Tablet have developed serious bowel problems, including intestinal blockage, perforation, and severe constipation. These may require hospitalization or surgery. Patients with bowel disease, prior stomach surgery, or slow gut movement are at higher risk.

Can Foscure 500 Chewable Tablet interfere with medical tests?

Yes, Foscure 500 Chewable Tablet is radio-opaque, meaning it can appear on abdominal X-rays or scans like a contrast agent. This can sometimes be mistaken for another medical issue unless doctors know you are taking this medicine.

What are the serious side effects of Foscure 500 Chewable Tablet?

Serious side effects of Foscure 500 Chewable Tablet may include severe abdominal pain, vomiting, constipation that does not go away, black stools, swelling of the face or throat, difficulty breathing, or signs of an allergic reaction. Seek immediate medical attention if you experience any of these symptoms.

Can Foscure 500 Chewable Tablet be taken long-term?

Yes, many patients with kidney disease take Foscure 500 Chewable Tablet long-term to control phosphate levels. Regular monitoring of blood phosphate, calcium, and other laboratory tests is required to ensure safe and effective treatment.

Fact Box

Chemical Class

Organic carbonic acids

Habit Forming

Therapeutic Class

BLOOD RELATED

Action Class

Phosphorus Binders

Related lab tests

Calcium

Phosphorus, Serum

Phosphorus, Urine

References

Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 778-79.
Lanthanum carbonate hydrate. London, England: Shire Pharmaceuticals Limited; 2006 [revised 6 Sep. 2017]. [Accessed 6 Apr. 2019] (online) Available from:
Lanthanum Carbonate. Shire Way, Lexington: Shire US Inc.; 2004 [revised Feb. 2016]. [Accessed 6 Apr. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 6 Apr. 2019] (online) Available from:

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Manufacturer details

Name: A)Rivpra Formulation Pvt. Ltd.
Address: A)Plot No. - 8, Sector - 6A, I.I.E. SIDCUL HARIDWAR - 249 403

Marketer details

Name: Amzenex Healthcare Private Limited
Address: A7, 3rd Floor, Mainak Green Apartment, GS Road, Christian Basti, Guwahati, Kamrup, Assam, India, 781005

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

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Blood Related

Chelating Agents

Foscure 500 Chewable Tablet

Foscure 500 Chewable Tablet

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Foscure Chewable Tablet

Benefits of Foscure Chewable Tablet

Side effects of Foscure Chewable Tablet

How to use Foscure Chewable Tablet

How Foscure Chewable Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is Foscure 500 Chewable Tablet used for?

Who should not take Foscure 500 Chewable Tablet?

What serious stomach problems can Foscure 500 Chewable Tablet cause?

Can Foscure 500 Chewable Tablet interfere with medical tests?

What are the serious side effects of Foscure 500 Chewable Tablet?

Can Foscure 500 Chewable Tablet be taken long-term?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Calcium

Phosphorus, Serum

Phosphorus, Urine

References

Want to know more

Have issue with the content

Disclaimer

Manufacturer details

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests