Drug Class: Iron Supplement | Haematinic Agent | Form: Oral Tablet | Prescription Status: Prescription Only (Rx) — DRAP Registered
What is Polymalt 100mg Tablet?
Polymalt 100mg contains Iron (III) Hydroxide Polymaltose Complex (IPC) — a third-generation iron supplement that delivers elemental iron in a stable, non-ionic polymaltose complex specifically designed to overcome the well-known tolerability limitations of conventional ionic iron salts such as Ferrous Sulphate and Ferrous Fumarate. In standard ionic iron supplements, free ferrous iron (Fe2+) is released rapidly and aggressively in the gastrointestinal tract — causing the nausea, constipation, dark stools, and metallic taste that frequently lead patients to stop treatment before iron stores are adequately replenished. The Iron (III) Hydroxide Polymaltose Complex of Polymalt 100mg releases iron in a controlled, physiologically regulated manner — releasing iron only as needed based on the body's iron status — significantly reducing gastrointestinal side effects while maintaining full therapeutic efficacy. Polymalt 100mg is prescribed for the treatment and prevention of iron deficiency anaemia (خون کی کمی) in adults and children — including pregnancy-related iron deficiency — providing reliable, well-tolerated iron supplementation that patients are significantly more likely to complete as a full course.
What is Polymalt 100mg Used For?
- Iron deficiency anaemia — treatment of established iron deficiency anaemia in adults and children to restore haemoglobin levels and replenish depleted iron stores (خون کی کمی / آئرن کی کمی)
- Iron deficiency without anaemia — treatment of latent iron deficiency (reduced serum ferritin and transferrin saturation) before anaemia develops
- Pregnancy-related iron deficiency — prevention and treatment of iron deficiency during pregnancy when dietary iron intake is insufficient for the increased demands of mother and developing foetus (حمل میں آئرن کی کمی)
- Post-partum iron deficiency — replenishing iron stores depleted during childbirth and delivery blood loss
- Chronic blood loss — supplementing iron lost through heavy menstrual periods (ماہواری میں زیادہ خون), gastrointestinal bleeding, or regular blood donation
- Dietary iron deficiency — correcting inadequate dietary iron intake in vegetarians, vegans, and patients with restricted diets
- Prevention of iron deficiency — prophylactic iron supplementation in high-risk groups including premature infants, growing children, and pregnant women
How Does Polymalt 100mg Work?
Iron (III) Hydroxide Polymaltose Complex — Controlled Physiological Iron Release: The Iron (III) Hydroxide Polymaltose Complex is a macromolecular structure in which iron (Fe3+) is tightly bound within a stable polymaltose shell — a branched-chain polysaccharide matrix derived from maltose. This complex structure is fundamentally different from conventional ionic iron salts in several clinically important ways.
In the gastrointestinal tract, the IPC complex does not dissociate freely into ionic iron — instead it releases iron in a slow, controlled, and physiologically regulated manner through a competitive ligand exchange process. Iron is transferred from the complex to mucosal iron receptors in the intestinal lining only when the body's iron transport proteins (transferrin and ferritin) have sufficient capacity to accept it — mimicking the natural regulation of dietary iron absorption from food. When iron stores are replete, absorption is automatically reduced — preventing iron overload. When stores are depleted, absorption increases — ensuring adequate replenishment.
Improved Gastrointestinal Tolerability: Because IPC does not release large amounts of free ionic iron into the gastrointestinal lumen, the oxidative damage to the intestinal mucosa that causes the nausea, vomiting, constipation, and abdominal cramping of conventional iron salts is dramatically reduced. The polymaltose complex also has virtually no pro-oxidant activity in the gut — preventing the formation of free radicals that contribute to gastrointestinal irritation. Stools may become darker but the intense black tarry discolouration and associated discomfort of ferrous salts are significantly less pronounced with IPC.
Absorption and Iron Utilisation: Once absorbed across the intestinal mucosa, Fe3+ from the IPC complex is reduced to Fe2+ and transported bound to transferrin to the bone marrow — where it is incorporated into haemoglobin in developing red blood cells — and to ferritin stores in the liver, spleen, and bone marrow. Regular daily dosing progressively replenishes both circulating haemoglobin and storage iron — correcting both the anaemia and the underlying iron deficiency that predisposes to its recurrence.
Dosage and Administration
⚠️ Always take exactly as prescribed by your doctor. Iron supplementation must be continued for the full prescribed duration — typically 3 to 6 months — to adequately replenish iron stores even after haemoglobin normalises.
| Indication | Usual Dose | Frequency | Usual Duration |
|---|---|---|---|
| Iron deficiency anaemia — Adults | 1–2 tablets (100–200mg) | Once or twice daily | 3–6 months |
| Iron deficiency without anaemia | 1 tablet (100mg) | Once daily | 1–3 months |
| Pregnancy — treatment | 1–2 tablets (100–200mg) | Once daily | Until delivery and post-partum |
| Pregnancy — prevention | 1 tablet (100mg) | Once daily | Throughout pregnancy |
| Children (as prescribed) | Based on weight | Once daily | As prescribed by paediatrician |
Critical Dosing Rules:
- Always continue treatment for the full prescribed duration — haemoglobin levels typically normalise within 4 to 8 weeks but iron stores take an additional 2 to 3 months to fully replenish; stopping when blood count improves leaves stores depleted and anaemia rapidly recurs
- Unlike conventional ferrous iron salts, IPC tablets may be taken with or without food — the polymaltose complex is stable and its absorption is not significantly reduced by food, making meal-time dosing perfectly acceptable and improving convenience and adherence
- However taking with vitamin C (orange juice or ascorbic acid supplement) can enhance iron absorption — the mildly acidic environment facilitates iron transfer from the complex
- Monitor haemoglobin, serum ferritin, and transferrin saturation at baseline and after 4 to 8 weeks of treatment to confirm adequate therapeutic response
- Avoid taking within 2 hours of antacids, calcium supplements, dairy products, tea, coffee, or other medicines that reduce iron absorption
- Do not exceed the prescribed dose — iron overload causes serious organ damage even with the safer IPC formulation at very high doses
How to Take:
- Swallow the tablet whole with a full glass of water
- May be taken with or without food — meal-time dosing is acceptable and improves adherence
- Taking alongside a glass of orange juice or with a Vitamin C supplement enhances absorption
- Take at the same time each day for consistent iron replenishment
- If a dose is missed, take it as soon as remembered the same day — skip if it is the next day; never double the dose
Active Ingredients
| Ingredient | Strength per Tablet |
|---|---|
| Iron (III) Hydroxide Polymaltose Complex | 100mg (elemental iron equivalent) |
Who Should NOT Take Polymalt 100mg?
Do not take if you:
- Are allergic to Iron (III) Hydroxide Polymaltose Complex or any ingredient in the tablet
- Have iron overload conditions — haemochromatosis, haemosiderosis, or transfusional iron overload
- Have anaemia NOT caused by iron deficiency — haemolytic anaemia, aplastic anaemia, or thalassaemia; iron supplementation without iron deficiency causes harmful iron accumulation
- Have known iron utilisation defects — sideroblastic anaemia or lead poisoning anaemia
- Are receiving regular blood transfusions — transfused blood provides iron; additional supplementation risks overload
Always consult your doctor before taking Polymalt if you have:
- Liver disease (جگر کی بیماری) — iron is stored in the liver; impaired liver function affects iron metabolism
- Inflammatory bowel disease — Crohn's disease or ulcerative colitis; iron absorption and tolerability may be affected
- Gastrointestinal disorders — peptic ulcer, gastritis, or malabsorption syndromes
- Kidney disease (گردے کی بیماری) — iron metabolism monitoring required
- Rheumatoid arthritis or other inflammatory conditions — inflammation reduces iron absorption regardless of supplementation
- Are pregnant or planning pregnancy — iron requirements increase significantly; confirm appropriate dose with your obstetrician
- Are breastfeeding — iron supplementation is generally safe during breastfeeding at recommended doses
- Are taking antacids, antibiotics, calcium supplements, or other medicines — important absorption interactions
Side Effects
Common Side Effects:
- Darkening of stools — most common and expected; caused by unabsorbed iron in the stool; harmless and significantly less pronounced than with ferrous salts
- Mild nausea or stomach discomfort — significantly less common than with conventional ferrous iron salts; taking with food further reduces this
- Mild constipation — less common than with ionic iron salts; increase fluid and dietary fibre intake if this occurs
- Mild diarrhoea — some patients experience loose stools particularly at higher doses; usually self-limiting
- Mild metallic taste — less pronounced than with ferrous salts; usually temporary
Serious Side Effects — Stop Taking and Seek Medical Help Immediately:
- Iron overload toxicity — extreme fatigue, joint pain, abdominal pain, skin bronzing (darkening), diabetes-like symptoms, irregular heartbeat — develops with prolonged excessive dosing in patients without genuine iron deficiency; requires immediate medical evaluation and cessation of iron supplementation
- Severe allergic reaction — swelling of face, lips, tongue or throat, difficulty breathing, widespread rash or hives (یہ طبی ہنگامی صورتحال ہے)
- Severe liver toxicity — yellowing of skin or eyes (یرقان), dark urine, extreme fatigue — iron accumulation in liver with excessive dosing; stop immediately and seek medical attention
- Accidental iron poisoning in children — nausea, vomiting, abdominal pain, bloody stools, lethargy — iron tablets are among the most common causes of fatal accidental poisoning in young children; store securely out of reach and seek emergency care immediately if ingestion is suspected (طبی ہنگامی صورتحال)
Drug Interactions
| Medicine / Substance | Possible Interaction |
|---|---|
| Antacids (e.g., Aluminium / Magnesium hydroxide, Calcium carbonate) | Significantly reduce IPC iron absorption — take Polymalt at least 2 hours before or after antacids |
| Calcium supplements / Dairy products | Calcium competes with iron for intestinal absorption — take iron at least 2 hours apart from calcium supplements and dairy-rich meals |
| Tetracycline / Doxycycline antibiotics | Iron significantly reduces tetracycline absorption and tetracyclines reduce iron absorption — take at least 2 to 3 hours apart |
| Fluoroquinolone antibiotics (e.g., Ciprofloxacin, Levofloxacin) | Iron forms insoluble chelates with fluoroquinolones — significantly reduces antibiotic absorption; take at least 2 hours apart |
| Levothyroxine (thyroid medicine) | Iron significantly reduces Levothyroxine absorption — take at least 4 hours apart; monitor thyroid function during concurrent use |
| Methyldopa / Levodopa | Iron reduces absorption of both medicines — take at least 2 hours apart |
| Penicillamine | Iron significantly reduces Penicillamine absorption — take at least 2 hours apart |
| Bisphosphonates (e.g., Alendronate) | Iron reduces bisphosphonate absorption — take at least 2 hours apart |
| Vitamin C (Ascorbic acid) | Enhances iron absorption from IPC complex — taking Polymalt with orange juice or a Vitamin C supplement is recommended to maximise absorption |
| Tea / Coffee / Phytates (whole grains) / Oxalates | Reduce iron absorption through chelation — avoid consuming large amounts of tea, coffee, or high-phytate foods close to the time of iron supplementation |
| Zinc supplements | Compete with iron for intestinal absorption — take at separate times |
| Cholestyramine | Reduces iron absorption — take at least 4 hours apart |
Storage Instructions
- Store below 25°C in a cool, dry place
- Protect from moisture and direct sunlight
- Keep in original blister pack until use
- Keep out of reach of children — iron tablets are a leading cause of fatal accidental poisoning in young children; store securely and never leave accessible (بچوں کی پہنچ سے دور رکھیں)
- Do not use after the expiry date printed on the pack
Frequently Asked Questions (FAQs)
Q: Why do my stools become dark when taking Polymalt 100mg? Dark or greenish-black stools are an expected and harmless consequence of unabsorbed iron passing through the gut — this discolouration is significantly less intense with Iron Polymaltose Complex than with conventional ferrous iron salts and does not indicate a problem; however if stools become bright red or tarry black with abdominal pain, seek medical evaluation as this may indicate gastrointestinal bleeding.
Q: How long must I take Polymalt 100mg for iron deficiency anaemia? Treatment must continue for the full prescribed duration of 3 to 6 months — haemoglobin typically normalises within 4 to 8 weeks but iron stores require an additional 2 to 3 months of supplementation to fully replenish; stopping when blood count improves leaves stores depleted and anaemia rapidly returns.
Q: Why is Polymalt better tolerated than standard iron tablets? The polymaltose complex releases iron in a slow, physiologically regulated manner rather than flooding the gut with free ionic iron — this dramatically reduces the oxidative mucosal damage responsible for the nausea, constipation, metallic taste, and abdominal discomfort that cause many patients to discontinue conventional ferrous iron salts before completing the full treatment course.
Q: Can Polymalt 100mg be taken during pregnancy? Yes — Iron (III) Hydroxide Polymaltose Complex is considered safe during pregnancy and is frequently prescribed for pregnancy-related iron deficiency; it is particularly well tolerated in pregnancy where nausea is already a significant concern; always take under your obstetrician's supervision at the prescribed dose.
Medical Disclaimer: This information is for general awareness only and does not replace advice from your doctor or pharmacist. Iron supplementation should only be taken when iron deficiency has been confirmed by blood tests — taking iron without confirmed deficiency risks harmful iron overload. Keep iron tablets securely out of reach of children at all times — accidental ingestion of iron tablets is a medical emergency requiring immediate treatment.
DRAP Registered | Prescription Required (Rx) | Continue for full 3–6 month course even after blood count normalises | May be taken with or without food | Taking with Vitamin C enhances absorption | Keep securely out of reach of children — iron poisoning emergency | Never take without confirmed iron deficiency diagnosis | Separate from antacids, antibiotics, and calcium by at least 2 hours
