Iron Deficiency Anaemia Treatment in India

Iron deficiency is the most common nutritional deficiency in the world and the leading cause of anaemia. In India, it affects an estimated 50–60% of women of reproductive age, a significant proportion of chronic kidney disease patients, and a large number of people undergoing cancer treatment or recovering from major surgery.

While most people have heard of iron tablets, far fewer understand that for many of these patients, oral iron simply does not work - either because it cannot be adequately absorbed, or because the underlying condition demands a speed and volume of iron repletion that tablets cannot provide. That is where intravenous (IV) iron therapy becomes essential.

This guide explains everything patients, caregivers, and healthcare providers in India need to know about IV iron therapy - including who needs it, which formulations are available, how infusions work, and how to safely access and order IV iron through a licensed Indian pharmacy.

Quick Navigation

1. Understanding iron deficiency anaemia - symptoms and diagnosis

2. Why oral iron fails: when the body cannot absorb it

3. Oral vs IV iron - a complete comparison

4. Types of IV iron available in India: Ferinject, Orofer FCM, Orofer, and Cresp

5. Which medical conditions require IV iron therapy?

6. How is the IV iron dose calculated?

7. What happens during an IV iron infusion?

8. Side effects and safety of IV iron

9. Prescription requirements and how to get IV iron in India

10. How to order IV iron safely from Apothecare

11. Storage and handling of IV iron at home

12. Frequently asked questions

1. Understanding Iron Deficiency Anaemia - Symptoms and Diagnosis

Anaemia is defined as a haemoglobin (Hb) level below 12 g/dL in women and below 13 g/dL in men, according to WHO criteria. Iron deficiency anaemia (IDA) occurs when the body lacks sufficient iron to produce adequate haemoglobin, the protein inside red blood cells that carries oxygen to every tissue and organ.

Common Symptoms of Iron Deficiency Anaemia

Persistent fatigue and low energy even after adequate sleep
Pallor - paleness of skin, inner eyelids, and nail beds
Shortness of breath on mild exertion (climbing stairs, walking short distances)
Heart palpitations - rapid or irregular heartbeat
Cold hands and feet, poor circulation
Brittle nails, hair loss, dry or cracked skin at the corners of the mouth
Restless leg syndrome - uncomfortable sensations in the legs at night
Difficulty concentrating, brain fog, reduced work performance
Pica - unusual cravings for non-food substances like mud, clay, or ice (a hallmark of severe IDA)

Key Diagnostic Tests for Iron Deficiency

Your doctor will order a combination of the following blood tests to confirm iron deficiency anaemia and determine severity:

• Complete Blood Count (CBC) - Haemoglobin, haematocrit, MCV (mean corpuscular volume)

• Serum Ferritin - the most sensitive marker of iron stores; <30 ng/mL suggests deficiency

• Serum Iron and TIBC - Total Iron Binding Capacity; low iron + high TIBC = deficiency

• Transferrin Saturation - <20% confirms functional iron deficiency

• Reticulocyte Count - assesses bone marrow's response to anaemia

Note: Ferritin is an acute-phase reactant - it can appear normal or elevated in infection or inflammation even when iron stores are genuinely depleted. Your doctor may interpret ferritin alongside CRP (C-reactive protein) in such cases.

2. Why Oral Iron Fails: When the Body Cannot Absorb It

Oral iron supplements (ferrous sulphate, ferrous fumarate, ferric bisglycinate) are the first-line treatment for mild iron deficiency in healthy individuals. However, for a large number of patients in India, oral iron is inadequate or unsuitable. Understanding why helps patients advocate for themselves when they need IV iron.

Reasons Oral Iron Does Not Work for Many Patients

Gut disease: Malabsorption syndromes: Iron is primarily absorbed in the duodenum and upper jejunum. Conditions like Crohn's disease, celiac disease, and atrophic gastritis impair this absorption significantly.
Hepcidin elevation: The body regulates iron absorption through a hormone called hepcidin. In CKD, cancer, and chronic inflammation, hepcidin levels are elevated - effectively locking the gut and preventing iron from entering the bloodstream even if taken orally.
Intolerance: Many patients - especially elderly patients and those with sensitive digestive systems - cannot tolerate the nausea, constipation, abdominal cramps, and black stools caused by oral iron, leading to poor compliance.
Speed requirement: When haemoglobin needs to be corrected rapidly - before surgery, before a cancer treatment cycle, or in the third trimester of pregnancy - the slow absorption of oral iron (which takes weeks to months) is simply too slow to help.
Volume of deficit: A patient requiring 1000mg of iron correction cannot achieve this with oral iron without months of perfect daily compliance. IV iron delivers the same amount in one or two infusions.

Functional Iron Deficiency in CKD and Cancer

Many patients with Chronic Kidney Disease (CKD) or cancer-related anaemia have adequate total iron stores but cannot mobilise iron effectively due to inflammation. This 'functional deficiency' does not respond to oral iron at all - IV iron bypasses the hepcidin block and delivers iron directly to the bone marrow where red blood cell production occurs.

3. Oral vs IV Iron - A Complete Comparison

Factor	Oral Iron Supplements	IV Iron Injections
How it works	Absorbed through the gut lining into the bloodstream - requires a healthy digestive system	Delivered directly into the bloodstream - bypasses the gut entirely
Speed of effect	Slow - haemoglobin improvement takes 4–8 weeks	Fast - haemoglobin improves within 1–3 weeks
Dose per session	Small daily dose (100–200mg elemental iron)	Large single dose (500mg–1000mg in one infusion)
Number of doses	Daily tablet or liquid for months	1–3 infusions depending on iron deficit
Absorption rate	5–20% of dose absorbed (lower if gut inflamed)	Near 100% - all administered iron reaches the body
GI side effects	Very common - nausea, constipation, black stools, stomach cramps	Rare - mild nausea or flushing in some patients
Who it suits	Mild deficiency with healthy gut and good tolerance	Moderate-severe deficiency, poor oral tolerance, or malabsorption
Best for	Dietary deficiency, mild anaemia in otherwise healthy individuals	CKD, cancer anaemia, IBD, post-surgery, pregnancy (severe)

When to Ask Your Doctor About IV Iron

Ask your doctor specifically about IV iron if you answer YES to any of these questions:

• Have you tried oral iron for more than 4 weeks without adequate haemoglobin improvement?

• Do you experience severe GI side effects from iron tablets?

• Do you have CKD, IBD, or a malabsorption condition?

• Do you need your haemoglobin corrected quickly (before surgery, before chemotherapy)?

• Is your serum ferritin very low despite taking oral iron regularly?

4. Types of IV Iron Available in India: Ferinject, Orofer FCM, Orofer, and Cresp

Several IV iron formulations are available in India, each with different dosing schedules, maximum single doses, and approved indications. Understanding the differences helps patients understand what their doctor has prescribed and why.

Product	Active Ingredient	Max Single Dose	Infusion Time	Key Use Case
Ferinject 500mg (Vifor Pharma)	Ferric Carboxymaltose (FCM)	1000mg in one session	15 minutes (≤1000mg)	CKD, cancer, post-partum, IBD - rapid high-dose repletion
Orofer FCM 1K (Emcure Pharma)	Ferric Carboxymaltose (FCM)	1000mg in one session	15 minutes (≤1000mg)	Same as Ferinject; Indian-manufactured FCM alternative
Orofer 500mg (Emcure Pharma)	Iron Sucrose	200mg per infusion	30 minutes per dose	CKD on dialysis; multiple smaller infusion sessions
Cresp 40mcg (Dr. Reddy's)	Darbepoetin Alfa (ESA)	Not iron - given alongside IV iron	Subcutaneous injection	ESA for CKD / chemotherapy anaemia; combined with IV iron

Ferric Carboxymaltose (FCM) - Ferinject & Orofer FCM

Ferric carboxymaltose (FCM) is the most advanced IV iron formulation currently available in India. Its key advantages are that it can be administered as a high-dose, rapid infusion - up to 1000mg of elemental iron in a single 15-minute session - without requiring a test dose. This dramatically reduces the burden on patients who would otherwise need multiple weekly iron sucrose infusions.

Ferinject 500mg (Vifor Pharma) is the originator brand - imported and available at Apothecare
Orofer FCM 1K (Emcure Pharma) is the Indian-manufactured FCM equivalent - bioequivalent to Ferinject and available at a lower price point
Both contain ferric carboxymaltose and have the same clinical efficacy for approved indications
No test dose required - faster and more convenient for patients and infusion centres

Iron Sucrose - Orofer 500mg Injection

Iron sucrose (Orofer 500mg) is the older, well-established IV iron formulation that has been in use in India for decades. It is highly effective but requires smaller doses per session (100–200mg per infusion), meaning patients with large iron deficits need multiple sessions spread over several weeks. It remains the standard of care in many dialysis units for CKD patients receiving haemodialysis.

Maximum 200mg per infusion, given over 30 minutes, diluted in normal saline
Requires multiple infusion sessions for full iron repletion
Widely available; preferred in dialysis settings where patients visit 3 times a week anyway
Excellent safety record over decades of clinical use in India

Cresp 40mcg Injection (Darbepoetin Alfa) - An ESA, Not an Iron

It is important to understand that Cresp 40mcg (darbepoetin alfa) is not an iron injection - it is an Erythropoiesis Stimulating Agent (ESA). It works by stimulating the bone marrow to produce more red blood cells. In CKD and chemotherapy-related anaemia, ESAs like Cresp are often prescribed alongside IV iron, because the bone marrow needs both a stimulus (ESA) and adequate iron supply to produce red blood cells effectively.

Important: IV Iron + ESA Combination

Giving an ESA (like Cresp / darbepoetin alfa) without adequate iron is like building a house without bricks. The bone marrow has the signal to produce red blood cells but lacks the raw material. Current nephrology and oncology guidelines recommend ensuring adequate iron status (ferritin > 100 ng/mL, transferrin saturation > 20%) before or alongside ESA initiation.

5. Which Medical Conditions Require IV Iron Therapy?

IV iron is not only for patients who 'failed' oral iron. For many of the following conditions, IV iron is the preferred first-line treatment based on international and Indian clinical guidelines.

Medical Condition	Why IV Iron Is Needed	Recommended IV Iron
Chronic Kidney Disease (CKD) - pre-dialysis and on dialysis	Impaired gut absorption; oral iron worsens GI symptoms; ESA therapy requires iron supplementation	FCM (Ferinject / Orofer FCM) or Iron Sucrose (Orofer)
Cancer-Related Anaemia (chemotherapy-induced)	Chemotherapy damages gut lining; rapid haemoglobin correction needed to maintain treatment schedule	FCM preferred for high-dose single-session repletion
Inflammatory Bowel Disease (Crohn's / Ulcerative Colitis)	Active gut inflammation blocks oral absorption; oral iron worsens IBD flares	FCM - avoids gut entirely; safe with active IBD
Post-Surgical Anaemia (major surgery / ICU)	Blood loss requires rapid iron repletion; oral route too slow to rebuild stores before discharge	FCM or Iron Sucrose depending on urgency
Post-Partum Haemorrhage (severe bleeding after delivery)	Rapid blood loss; breastfeeding mothers need fast recovery; oral iron inadequate for severe cases	FCM - approved for post-partum iron deficiency
Heart Failure with Iron Deficiency (with or without anaemia)	Gut oedema impairs absorption; IV iron improves exercise capacity and hospitalisation rates	FCM - evidence from FAIR-HF and AFFIRM-AHF trials
Bariatric Surgery / Gastric Bypass	Stomach and duodenum (primary iron absorption sites) are bypassed surgically	IV iron lifelong supplementation in many cases
Severe Anaemia in Pregnancy (Hb <8 g/dL, 2nd–3rd trimester)	Oral iron cannot correct deficiency fast enough before delivery	FCM or Iron Sucrose - consult obstetrician

6. How Is the IV Iron Dose Calculated?

The correct IV iron dose is calculated based on the patient's actual haemoglobin level, body weight, and target haemoglobin. The most widely used formula is the Ganzoni formula, though FCM product labelling provides a simplified weight-and-haemoglobin-based dosing table that is commonly used in Indian clinical practice.

Ganzoni Formula (Reference)

Total Iron Deficit (mg) = Body Weight (kg) × (Target Hb − Actual Hb) × 2.4 + Iron Stores

Where Iron Stores = 500mg for patients ≥35kg (added to replenish iron stores, not just correct Hb)

Example: A 60kg patient with Hb 8 g/dL targeting Hb 12 g/dL:

= 60 × (12 − 8) × 2.4 + 500 = 60 × 4 × 2.4 + 500 = 576 + 500 = 1076mg

→ This patient needs approximately 1000–1500mg of IV iron in total.

The table below gives simplified FCM dosing guidance commonly used in Indian clinical practice:

Patient Haemoglobin (Hb)	Body Weight	Approximate FCM Dose Required
Hb < 7 g/dL	50–70 kg	1500mg (2 sessions: 1000mg + 500mg)
Hb 7–10 g/dL	50–70 kg	1000mg (1 session)
Hb 7–10 g/dL	> 70 kg	1500mg (2 sessions)
Hb 10–14 g/dL (maintenance)	Any	500mg (1 session) - based on serum ferritin
CKD on ESA therapy	Any	As directed by nephrologist - usually 200–500mg monthly

Dosing is Always the Doctor's Decision

The dose of IV iron must be calculated and prescribed by your treating physician or specialist. Never self-administer IV iron. The formulations above are for reference only - actual dose depends on your blood test results, weight, and underlying condition.

7. What Happens During an IV Iron Infusion?

Before the Infusion

Blood tests are reviewed: Hb, serum ferritin, transferrin saturation, and kidney function
Your doctor or nurse confirms the dose and formulation of IV iron to be administered
An IV cannula is inserted into a vein in your arm - usually the back of the hand or the forearm
No fasting is required before most IV iron infusions

During the Infusion

FCM (Ferinject / Orofer FCM): Infused over 15 minutes for doses up to 1000mg - rapid and convenient; no test dose required
Iron Sucrose (Orofer): Infused over 30 minutes per 200mg dose; must be diluted in normal saline before administration
You will be seated in a comfortable chair or on a day-care bed throughout
A nurse monitors your blood pressure, pulse, and for any signs of infusion reaction
Most patients can return home within 1–2 hours of completing the infusion

After the Infusion

No specific restrictions - you can eat, drink, and carry on normal activities
A follow-up blood test is usually scheduled 4–8 weeks after the infusion to check haemoglobin and ferritin response
Some patients notice improved energy levels within 1–2 weeks; haemoglobin rise is measurable by 4 weeks
Contact your doctor if you develop fever, rash, joint pain, or shortness of breath in the 24 hours following the infusion

8. Side Effects and Safety of IV Iron

Modern IV iron formulations - especially ferric carboxymaltose - have an excellent safety profile. Serious adverse reactions are rare. The following covers the spectrum of possible reactions:

Common Side Effects (usually mild and transient)

• Transient hypophosphataemia (low phosphate) - common with FCM; usually asymptomatic and self-resolving within 4–8 weeks

• Mild flushing or warmth during infusion

• Transient nausea or headache during or shortly after infusion

• Mild discomfort or bruising at the cannula site

• Temporary change in stool colour - not from IV iron directly but sometimes reported

Uncommon but Important Side Effects

• Hypotension (low blood pressure) - reason blood pressure is monitored during infusion

• Joint pain or back pain in the first 1–2 days after infusion - mild and self-limiting

• Skin discolouration if iron extravasates (leaks) outside the vein - important to report immediately

Serious but Rare: Hypersensitivity Reactions

Severe hypersensitivity reactions (anaphylaxis) are rare with modern formulations but possible. Signs include sudden shortness of breath, swelling of the face or throat, severe rash, or loss of consciousness.

This is why IV iron must ALWAYS be administered in a medical facility with resuscitation equipment available - never at home, and never without trained nursing supervision. Seek emergency care immediately if any of these signs occur.

FCM (Ferinject / Orofer FCM) does not require a test dose unlike older iron preparations such as iron dextran, making the infusion process faster and more convenient while maintaining a strong safety profile.

9. Prescription Requirements and How to Get IV Iron in India

All IV iron formulations - Ferinject, Orofer FCM, Orofer, and Cresp - are classified as prescription medicines under India's Drugs & Cosmetics Rules. They require a valid prescription from a registered medical practitioner and must be administered in a clinical setting by trained healthcare personnel.

Who Can Prescribe IV Iron in India?

Nephrologists - for CKD and dialysis patients
Oncologists / Haematologists - for cancer-related and chemotherapy-induced anaemia
Gynaecologists / Obstetricians - for severe anaemia in pregnancy and post-partum haemorrhage
Gastroenterologists - for IBD and malabsorption-related iron deficiency
General Physicians and Internists - for moderate-to-severe IDA requiring IV therapy

What Your Prescription Must Include

Name, registration number, and signature of the prescribing doctor
Patient's name, age, diagnosis, and haemoglobin/ferritin values
Drug name (Ferinject / Orofer FCM / Orofer / Cresp), dose, volume, and frequency
Whether it is a single infusion or a course of infusions
Date of prescription - must be within 3 months

Step-by-Step: Getting IV Iron Prescribed and Administered in India

Step 1: Consult a specialist (nephrologist, oncologist, gynaecologist, or physician) and present your blood test reports

Step 2: Doctor reviews Hb, ferritin, transferrin saturation and calculates your iron deficit

Step 3: Prescription is issued for the appropriate IV iron formulation and dose

Step 4: Submit prescription to Apothecare via website, WhatsApp (+91 63638 26363), or email

Step 5: Apothecare's pharmacist verifies and confirms stock; provides a price quote

Step 6: Medicine is delivered to your home or directly to the infusion centre with cold chain compliance

Step 7: Infusion is administered by a nurse or doctor at a hospital, clinic, or day-care centre - NOT at home

Step 8: Follow-up blood test 4–8 weeks later to assess haemoglobin and ferritin response

10. How to Order IV Iron Safely from Apothecare

Apothecare is a CDSCO-licensed super-speciality pharmacy stocking Ferinject, Orofer FCM 1K, Orofer 500mg, Cresp, and a full range of anaemia management medicines. We dispatch with end-to-end cold chain compliance and pharmacist prescription verification. We are committed to making life-saving medicines accessible, genuine, and fairly priced - because every patient in India deserves reliable healthcare without compromise.

Pre-Order Checklist for IV Iron

Valid prescription from a registered specialist - dated within 3 months
Blood test reports confirming Hb, serum ferritin, and transferrin saturation
Confirm which formulation has been prescribed: Ferinject, Orofer FCM, or Orofer
Confirm the dose and number of vials required for your course
Arrange the infusion appointment at your hospital or day-care centre before ordering
Request a confirmed price quote from Apothecare
Ensure someone is available to receive and immediately refrigerate the delivery
Plan the order 2–3 days before your scheduled infusion date

Step 1: Upload prescription at apothecare.in or WhatsApp to +91 63638 26363

Step 2: Pharmacist verifies prescription and confirms stock within 2 hours on business days

Step 3: Receive a confirmed price quote and delivery timeline

Step 4: Complete payment via UPI, net banking, or credit/debit card

Step 5: IV iron dispatched with cold chain packaging (2°C–8°C), temperature indicator card included

Step 6: Delivery within 24–48 hours to metros; real-time tracking provided

Step 7: On arrival: inspect packaging, check temperature indicator card, refrigerate immediately

Step 8: Carry medicine to your infusion appointment and hand to the administering nurse or doctor

Delivery Timeline by Location

Location	Standard Medicines	Cold Chain / IV Iron
Metro Cities (Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Kolkata)	1–2 business days	24–48 hours priority
Tier 2 Cities (Pune, Ahmedabad, Jaipur, Lucknow, Surat)	2–3 business days	48–72 hours
Tier 3 Cities / Semi-Urban	3–5 business days	3–4 business days
Remote / Rural Pincodes	5–7 business days	Contact us - 19,000+ pincodes covered

Note: IV iron injections require cold chain storage (2°C–8°C). Ensure you have refrigeration ready when the delivery arrives. Do not accept a delivery where the temperature indicator card shows a breach.

12. Frequently Asked Questions

Q: Can I take IV iron at home without going to a hospital?

No. IV iron must be administered intravenously in a clinical setting - a hospital, day-care centre, dialysis unit, or doctor's clinic - by a trained nurse or physician who can monitor for adverse reactions and respond to any emergency. It is illegal and dangerous to administer IV iron at home without medical supervision.

Q: What is the difference between Ferinject and Orofer FCM?

Both contain ferric carboxymaltose (FCM) as the active ingredient and have the same clinical efficacy. Ferinject (Vifor Pharma) is the originator imported brand; Orofer FCM 1K (Emcure Pharma) is the Indian-manufactured equivalent, generally available at a lower cost. Both are CDSCO-approved. Your doctor or Apothecare can advise which is available and best suited to your prescription.

Q: How many infusions will I need?

This depends entirely on your iron deficit, which is calculated from your body weight and haemoglobin level. Patients with mild deficiency (Hb 10–12 g/dL) may need one 500mg FCM infusion. Those with severe deficiency (Hb < 8 g/dL or large body weight) may need 1000–1500mg spread over two infusion sessions. Your nephrologist or haematologist will specify the exact number.

Q: How soon will I feel better after IV iron?

Many patients notice improved energy levels and reduced fatigue within 1–2 weeks of the infusion. A measurable rise in haemoglobin (0.5–1 g/dL per week) is typically seen within 2–4 weeks. Ferritin levels may continue to improve for up to 8–12 weeks. A follow-up blood test is essential to confirm the response.

Q: Is IV iron safe during pregnancy?

IV iron (particularly iron sucrose and ferric carboxymaltose) is used during the second and third trimesters of pregnancy when oral iron is insufficient or not tolerated. It should only be given on the recommendation of your obstetrician, who will assess the risk-benefit balance for your specific situation. Apothecare can supply IV iron for pregnancy use with a valid obstetric prescription.

Q: Can I take oral iron tablets alongside IV iron?

Generally, oral iron is stopped when IV iron therapy is initiated. Combining both provides no additional benefit and may cause excess iron accumulation. Your doctor will advise when to resume oral iron supplementation - if at all - after your IV iron course is complete.

Q: Is Cresp (darbepoetin alfa) the same as IV iron?

No. Cresp (darbepoetin alfa) is an Erythropoiesis Stimulating Agent (ESA) - it stimulates the bone marrow to produce red blood cells. It does not contain iron. In CKD and cancer-related anaemia, Cresp is often prescribed alongside IV iron because the bone marrow needs both the hormonal signal (ESA) and sufficient iron to produce red blood cells. Both medicines have different mechanisms and are used together, not interchangeably.

Q: Does insurance cover IV iron infusions in India?

Many health insurance policies in India cover IV iron as part of hospitalisation or day-care procedures, especially for CKD and cancer-related anaemia. Ayushman Bharat PM-JAY covers iron infusions at empanelled hospitals for eligible patients. Check with your insurer and obtain pre-authorisation before the infusion date to avoid reimbursement issues. Keep all prescriptions, blood reports, invoices, and delivery receipts for the insurance claim.

References

WHO Global Anaemia Estimates and Iron Deficiency Guidelines World Health Organization (WHO) - Nutrition https://www.who.int/health-topics/anaemia

2. Haemoglobin Concentrations for the Diagnosis of Anaemia and Assessment of Severity World Health Organization (WHO) - Vitamin and Mineral Nutrition Information System https://www.who.int/publications/i/item/WHO-NMH-NHD-MNM-11.1

3. KDIGO Clinical Practice Guideline for Anaemia in Chronic Kidney Disease Kidney Disease: Improving Global Outcomes (KDIGO) https://kdigo.org/guidelines/anemia-in-ckd/

4. Indian Society of Nephrology - Guidelines for Anaemia Management in CKD Indian Society of Nephrology (ISN India) https://www.isncon.com

5. Ferric Carboxymaltose (FCM) in Iron Deficiency Anaemia - FIRM Trial Anker SD et al. - New England Journal of Medicine (AFFIRM-AHF) https://www.nejm.org/doi/full/10.1056/NEJMoa2007699

6. Intravenous Iron Supplementation - FAIR-HF Trial (Heart Failure + Iron Deficiency) Anker SD et al. - New England Journal of Medicine https://www.nejm.org/doi/full/10.1056/NEJMoa0908355

7. Ferinject (Ferric Carboxymaltose) - Prescribing Information and Product Label Vifor Pharma / CSL Vifor https://www.ferinjectionsite.com

8. Iron Deficiency Anaemia in India - Burden, Causes and Interventions Indian Council of Medical Research (ICMR) - National Iron Plus Initiative https://main.icmr.nic.in

9. Management of Iron Deficiency Anaemia in Inflammatory Bowel Disease European Crohn's and Colitis Organisation (ECCO) Guidelines https://www.ecco-ibd.eu/publications/ecco-guidelines-science

10. ASCO / ASH Guidelines - Management of Cancer- and Chemotherapy-Induced Anaemia American Society of Clinical Oncology (ASCO) / American Society of Hematology (ASH) https://www.asco.org/practice-patients/guidelines/supportive-care

11. Intravenous Iron Therapy in Pregnancy - Safety and Efficacy Review Royal College of Obstetricians and Gynaecologists (RCOG) - Green-top Guideline https://www.rcog.org.uk/guidance/browse-all-guidance/green-top-guidelines/

12. Ganzoni Formula - Calculating Total Iron Deficit in Clinical Practice Ganzoni AM. Schweiz Med Wochenschr (1970) - Reference Pharmacokinetic Dosing Formula https://pubmed.ncbi.nlm.nih.gov/5531181/

13. CDSCO - Drug Approvals for Iron Formulations in India Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare https://cdsco.gov.in

14. Ayushman Bharat PM-JAY - Eligible Procedures Including Iron Infusion National Health Authority, Government of India https://pmjay.gov.in