If you have chronic kidney disease (CKD) or are on dialysis, and you need a higher dose of phosphate control, with fewer tablets per meal, Sevelamer 800 mg provides the same clinically proven phosphate binding power, with no calcium, as the standard 400 mg strength — in a more convenient, higher-dose tablet that makes it easier to take your medications every day. The strength recommended by nephrologists for patients with high serum phosphate requiring more binding capacity is Sevelamer 800 mg, the preferred strength of choice for long-term phosphate management at scale.

What Is Sevelamer 800 mg?

Sevelamer 800 mg isA prescription medication used to manage elevated blood phosphorus levels (hyperphosphatemia) in patients with chronic kidney disease (CKD) undergoing dialysis. It is a non-absorbed, non-calcium, non-metal polymer that binds excess dietary phosphate inside the gastrointestinal tract — safely removing it from the body before it enters the bloodstream.

Indicated for:

• Control of hyperphosphataemia in adult patients with chronic kidney disease (CKD)
• Patients on haemodialysis or peritoneal dialysis requiring higher phosphate binding doses
• Patients previously stabilised on Sevelamer 400 mg requiring dose escalation
• CKD patients not yet on dialysis with persistently elevated serum phosphate above target range

How Does Sevelamer 800 mg Work?

Damaged kidneys cannot filter and excrete excess phosphate from food efficiently — causing it to accumulate in the blood. Chronically elevated phosphate accelerates vascular calcification, damages bones through secondary hyperparathyroidism, and significantly increases the risk of cardiovascular events in CKD patients.

Sevelamer 800 mg acts through a targeted, non-systemic mechanical process:

• Binds dietary phosphate in the gut at the point of digestion — before absorption
• Forms an insoluble complex with phosphate that is excreted safely via stools
• Adds no calcium to the body — preventing calcium-phosphate deposits in blood vessels
• Also binds bile acids — delivering a clinically meaningful reduction in LDL cholesterol
• Completely non-absorbed — works entirely within the GI tract with no systemic drug exposure

The 800 mg strength achieves the same binding mechanism as the 400 mg tablet but allows patients requiring 1600 mg or more per meal to take fewer tablets — dramatically improving treatment adherence in high-dose regimens.

Dosage & How to Take Sevelamer 800 mg

Recommended Adult Dose:

• 800–1600 mg per main meal (1–2 tablets of 800 mg per meal depending on serum phosphate)
• Starting dose is based on current serum phosphate levels and prior phosphate binder use
• Dose is reviewed and adjusted every 2–4 weeks based on blood test results
• Always take with meals — timing is critical for phosphate binding effectiveness

Important Instructions:

• Swallow tablets whole — never crush, break, or chew, as intact polymer matrix is required for phosphate binding
• Take during meals, not before or after eating
• Separate Sevelamer 800 mg from other medications — take any interacting drugs at least 1 hour before or 3 hours after your Sevelamer dose
• Maintain your prescribed low-phosphate diet alongside medication for optimal results

Key Benefits of Sevelamer 800 mg

Who Should Use Sevelamer 800 mg?

Sevelamer 800 mg is prescribed for adults who:

• Require higher daily doses of sevelamer (1600 mg or more per meal) for adequate phosphate control
• Want to reduce tablet burden by switching from multiple 400 mg tablets
• Are on haemodialysis or peritoneal dialysis with persistently high phosphate levels
• Cannot tolerate calcium-based binders due to hypercalcaemia or calcification risk
• Are seeking a Renagel-equivalent generic at reduced cost

Do not use if you:

• Have bowel obstruction or a history of significant GI surgery affecting absorption
• Have hypophosphataemia (serum phosphate below normal range)
• Are allergic to sevelamer hydrochloride or any excipient in the formulation
• Are under 18 years of age — paediatric dosing requires specialist nephrology guidance

Common Side Effects — What to Expect

Sevelamer 800 mg shares the same tolerability profile as the 400 mg strength. Side effects are primarily gastrointestinal and mild:

• Nausea
• Vomiting
• Abdominal discomfort or cramping
• Constipation or diarrhoea
• Dyspepsia (indigestion or bloating)

GI side effects are most common when starting treatment and typically reduce within the first few weeks. Always taking Sevelamer with food — never on an empty stomach — minimises the risk of stomach upset significantly.

FAQs About Sevelamer 800 mg

Q: What is Sevelamer 800 mg used for?

Sevelamer 800 mg is used to lower high phosphate levels in the blood — a condition called hyperphosphataemia — in adults with chronic kidney disease, including those on haemodialysis or peritoneal dialysis. It binds dietary phosphate in the gut and removes it from the body before it can be absorbed into the bloodstream.

Q: What is the difference between Sevelamer 400 mg and Sevelamer 800 mg?

Both tablets contain the same active ingredient — sevelamer hydrochloride — and work in exactly the same way. The 800 mg tablet is a higher-strength formulation designed for patients who require larger total daily doses. It reduces the number of tablets needed per meal, making it more practical for patients on high-dose regimens. Two Sevelamer 400 mg tablets are clinically equivalent to one Sevelamer 800 mg tablet.

Q: How many Sevelamer 800 mg tablets should I take per meal?

The number of tablets per meal depends on your current serum phosphate level and your nephrologist's prescription. Typically, patients take 1 to 2 tablets of Sevelamer 800 mg with each main meal. Your dose will be reviewed and adjusted every 2 to 4 weeks based on regular blood phosphate testing.

Q: Can I crush or split Sevelamer 800 mg tablets?

No. Sevelamer 800 mg tablets must be swallowed whole. The tablet's polymer matrix needs to remain intact to bind phosphate effectively inside the gut. Crushing, splitting, or chewing the tablet destroys this structure and significantly reduces its ability to bind dietary phosphate.

Q: Does Sevelamer 800 mg interact with other medications?

Yes. Sevelamer can reduce the absorption of certain medications when taken simultaneously. Key interactions include fluoroquinolone antibiotics, levothyroxine, mycophenolate, and ciclosporin. To avoid this, take all other medications at least 1 hour before or 3 hours after Sevelamer 800 mg. Always inform your doctor and pharmacist of your full medication list.

Q: Does Sevelamer 800 mg help lower cholesterol?

Yes. In addition to binding phosphate, Sevelamer also binds bile acids in the gastrointestinal tract. This leads to a clinically meaningful reduction in LDL (bad) cholesterol — an important additional benefit for CKD and dialysis patients who face significantly elevated cardiovascular risk.

Q: How long does it take for Sevelamer 800 mg to reduce phosphate levels?

Sevelamer starts binding dietary phosphate from the very first dose taken with a meal. However, measurable reductions in serum phosphate levels are typically assessed after 2 to 4 weeks of consistent use. Your nephrologist will monitor phosphate levels at regular intervals and fine-tune your dose as needed.

Q: Where can I buy Sevelamer 800 mg online?

You can order genuine Sevelamer 800 mg tablets safely and securely directly from this product page. We supply pharmacy-grade medication sourced from licensed manufacturers, with fast dispatch, discreet packaging, and fully encrypted secure checkout on every order.

Product Information

Brand name: SAVELINER 800 (STERIS HEALTHCARE PVT LTD)

Composition Name: Sevelamer 800 mg

Pack size: Strip of 10 tablets

Marketed By: Steris Healthcare Pvt Ltd

Regulatory standard: WHO-GMP certified

Schedule: Valid Prescription Required (prescription only) please create in this manner.