IV Fer 100mg Injection: Complete Guide to Uses, Side Effects, and Safety
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026
When to Call Your Doctor IMMEDIATELY
- Sudden rash, itching, or hives during or after the infusion
- Swelling of the face, lips, tongue, or throat
- Difficulty breathing or wheezing
- Severe dizziness or fainting
- Chest pain or tightness
- Severe abdominal pain with vomiting
- Blood in stool or vomit
- Yellowing of the skin or eyes
- Decreased urine output
If experiencing severe symptoms, call emergency services immediately.
What is iv fer 100mg injection used for?
This medicine is an intravenous iron preparation used to treat iron deficiency anaemia when oral iron is not effective, not tolerated, or not fast enough. It is given by a healthcare professional in a clinic or hospital and works by delivering iron directly into the bloodstream to help the body make red blood cells.
- Generic Name: Elemental Iron (100mg)
- Manufacturer: Glaxo SmithKline Pharmaceuticals Ltd
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 iv fer 100mg injection के बारे में (Hindi Summary)
उपयोग: यह दवा आयरन की कमी से होने वाले एनीमिया (खून की कमी) के इलाज के लिए दी जाती है। जब मुँह से ली जाने वाली आयरन की गोलियाँ काम नहीं करतीं, पेट में परेशानी करती हैं, या बहुत धीमी असर करती हैं, तब डॉक्टर इस इंजेक्शन का सुझाव देते हैं। यह दवा खून में सीधे आयरन पहुँचाती है, जिससे शरीर लाल रक्त कोशिकाएँ बनाने में मदद पाता है। यह गुर्दे की बीमारी, आंतों की सूजन, अत्यधिक मासिक रक्तस्राव, प्रसव के बाद, और गर्भावस्था में होने वाली खून की कमी के लिए भी दी जाती है। यह दवा केवल अस्पताल या क्लिनिक में प्रशिक्षित स्वास्थ्यकर्मी द्वारा ही दी जाती है, क्योंकि कभी-कभी इससे गंभीर एलर्जी हो सकती है।
साइड इफेक्ट्स: इस दवा से आमतौर पर हल्के दुष्प्रभाव होते हैं, जैसे सिरदर्द, चक्कर आना, जी मिचलाना, मुँह में धातु जैसा स्वाद, मांसपेशियों या जोड़ों में दर्द, और इंजेक्शन वाली जगह पर हल्की जलन या सूजन। ये लक्षण आमतौर पर कुछ घंटों से एक दिन में ठीक हो जाते हैं। कभी-कभी ब्लड प्रेशर अचानक गिर सकता है, साँस लेने में तकलीफ, चकत्ते, या चेहरे और गले में सूजन हो सकती है, जो गंभीर एलर्जी के संकेत हैं। ऐसा होने पर तुरंत डॉक्टर या नर्स को बताएं। बहुत कम मामलों में बार-बार दवा लेने से शरीर में आयरन जमा हो सकता है, इसलिए नियमित खून की जाँच जरूरी है।
सुरक्षा सलाह: यह दवा केवल अस्पताल या क्लिनिक में प्रशिक्षित स्वास्थ्यकर्मी द्वारा ही दी जानी चाहिए। इसे घर पर खुद न लगाएं। हर बार दवा लेने से पहले अपने डॉक्टर को अपनी सभी दवाओं और एलर्जी के बारे में बताएं। डॉक्टर समय-समय पर खून की जाँच करके हीमोग्लोबिन, फेरिटिन और ट्रांसफेरिन सेचुरेशन देखेंगे ताकि आयरन की मात्रा सही रहे। बिना डॉक्टर की सलाह के मुँह से ली जाने वाली आयरन की गोलियाँ साथ में न लें। अगर दवा लेते समय चक्कर, साँस की तकलीफ, चकत्ते या सूजन महसूस हो, तो तुरंत बताएं। गर्भवती महिलाएँ यह दवा केवल विशेषज्ञ की सलाह पर ही लें। दवा लेने के बाद चक्कर आने पर गाड़ी न चलाएं।
💊 iv fer 100mg injection Uses & Benefits
[{"condition":"Iron deficiency anaemia in chronic kidney disease","description":"Used to replenish iron stores in patients with kidney disease who often cannot absorb oral iron effectively and may be on dialysis.","evidence":"Well-established"},{"condition":"Iron deficiency anaemia in inflammatory bowel disease","description":"Provides iron directly into the bloodstream when oral iron causes gut irritation or is poorly absorbed due to intestinal inflammation.","evidence":"Well-established"},{"condition":"Iron deficiency anaemia in pregnancy","description":"Used in the second and third trimester when oral iron is not tolerated or when rapid correction is needed, under specialist supervision.","evidence":"Well-established"},{"condition":"Post-operative anaemia","description":"Helps restore iron levels after major surgery when blood loss has caused anaemia and oral iron is too slow.","evidence":"Well-established"},{"condition":"Heavy menstrual bleeding with iron deficiency","description":"Replenishes iron stores in women who lose significant blood during periods and cannot keep up with oral iron.","evidence":"Well-established"}]
Off-label uses: [{"condition":"Restless legs syndrome with iron deficiency","description":"Sometimes used off-label when iron deficiency is confirmed and oral iron has failed, but this is not a standard approved use.","evidence":"Limited"},{"condition":"Pre-operative anaemia optimisation","description":"Occasionally given before planned surgery to reduce the need for blood transfusion, but protocols vary and evidence is still developing.","evidence":"Limited"}]
Primary treatment for: Iron deficiency anaemia
Also treats: Chronic kidney disease, Inflammatory bowel disease, Heavy menstrual bleeding, Post-operative anaemia, Pregnancy-related anaemia
📋 Drug Information
| Generic Name(s) | Elemental Iron (100mg) |
| Brand Name | iv fer 100mg injection |
| Manufacturer | Glaxo SmithKline Pharmaceuticals Ltd |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | OPHTHAL |
| Action Class | Haemopoetic agents |
| Route of Administration | Parenteral (intravenous infusion or injection) |
| Storage | Store this medicine in its original packaging at room temperature, between 15°C and 30°C. Protect it from light and moisture. Do not freeze. Keep out of reach of children. |
| Shelf Life | Not established from the available information. Check the expiry date on the packaging before use. |
| WHO Guideline | Not established from the available information. |
| ICMR Guideline | Not established from the available information. |
👨⚕️ Doctor's Practical Tips
Evidence-based practical advice from experienced clinicians
🔍 Is This Medicine Right for Your Symptom?
Educational reference. Always consult a doctor for diagnosis.
🔬 How This Medicine Works (Pharmacology)
Pharmacokinetics
How It Works
This medicine works by delivering elemental iron directly into the bloodstream, where it binds to transferrin, a protein that carries iron to the bone marrow and other tissues. In the bone marrow, the iron is used to build haemoglobin, the oxygen-carrying pigment in red blood cells. By rapidly increasing the available iron, this medicine helps correct iron deficiency anaemia more quickly than oral iron, especially when the gut cannot absorb enough iron or when oral iron causes unacceptable side effects. The iron is also stored in the liver, spleen, and bone marrow as ferritin and haemosiderin, ready to be used when needed.
Mechanism Steps
💡 How to Take iv fer 100mg injection
Strength: Injection, 100 mg elemental iron
Dosage Information
| Adult Dosage | The dose of this medicine is always decided by a qualified clinician based on your weight, haemoglobin level, iron stores, and the underlying cause of anaemia. It is given as an intravenous infusion or injection in a clinic or hospital. The total dose may be calculated using a formula that considers your current haemoglobin and target haemoglobin. Treatment may be repeated at intervals until iron stores are replenished. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function. |
| Pediatric Dosage | Pediatric dosing is not established from available information. Consult a pediatrician. |
| Elderly Dosage | Older adults can receive this medicine, but they may be more sensitive to side effects such as dizziness and low blood pressure. The dose is individualized by a clinician, and monitoring during and after the infusion is important. Kidney and heart function should be checked before treatment. |
| Renal Impairment | This medicine is often used in people with chronic kidney disease, including those on dialysis. The dose is adjusted based on iron stores and haemoglobin levels, and regular monitoring is required. No specific dose reduction is usually needed, but the clinician will tailor the dose to the individual. |
| Hepatic Impairment | People with liver disease may need lower doses or longer intervals between doses because the liver stores iron and is involved in its regulation. Liver function should be monitored closely. The dose is individualized by a qualified clinician. |
| Maximum Daily Dose | Not established from the available information. The maximum dose is determined by the clinician based on the patient's iron needs and response. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of iv fer 100mg injection
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Oral iron supplements | Major | |
| Other intravenous iron products | Major | |
| Vitamin C supplements | Moderate | |
| Antacids | Moderate | |
| Proton pump inhibitors | Moderate | |
| Calcium supplements | Minor | |
| Tea, coffee, dairy | Minor |
🚨 Major Interactions
- Oral iron supplements
- Other intravenous iron products
⚡ Moderate Interactions
- Vitamin C (ascorbic acid) supplements
- Antacids and proton pump inhibitors
🍷 Alcohol Interaction
Alcohol does not directly interact with this medicine, but heavy drinking can worsen anaemia and increase the risk of stomach bleeding. It is best to avoid alcohol while you are being treated for iron deficiency anaemia, as it can slow your recovery and affect your liver, which stores iron.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Known hypersensitivity to elemental iron or any component of this medicine","Iron overload conditions such as haemochromatosis","Anaemia not caused by iron deficiency","Active severe infection or inflammation","First trimester of pregnancy unless clearly needed and prescribed by a specialist"]
⚠️ Warnings & Precautions
["This medicine must only be given by a healthcare professional in a setting with emergency equipment.","Tell your doctor if you have had an allergic reaction to any iron injection before.","Inform your doctor if you have asthma, eczema, or other allergies, as these may increase the risk of a reaction.","Blood tests are needed before and during treatment to check iron levels and avoid overload.","Do not take oral iron supplements at the same time unless your doctor tells you to.","Avoid driving or operating machinery if you feel dizzy after the infusion.","Pregnant women should only receive this medicine under specialist supervision.","People with liver or heart disease need careful monitoring during treatment."]
🤱 Lactation Safety
Iron is a normal component of breast milk, and this medicine is not expected to harm a nursing infant when used as prescribed. However, tell your doctor if you are breastfeeding so they can decide whether this medicine is appropriate for you.
💊 Overdose Management
Overdose with this medicine can cause iron overload, which may lead to liver damage, heart problems, and other serious complications. If too much iron is given, treatment may include chelation therapy with a medicine that binds excess iron and helps remove it from the body. Supportive care for blood pressure, breathing, and heart rhythm may also be needed. Always report any symptoms such as severe abdominal pain, vomiting, or collapse immediately.
⏰ Missed Dose
This medicine is given by a healthcare professional, so missed doses are managed by your clinic. If you miss a scheduled appointment for your infusion, contact your doctor or clinic as soon as possible to reschedule. Do not try to catch up by taking extra oral iron on your own.
Additional Safety Advice
This medicine must only be given by a trained healthcare professional in a setting where emergency equipment is available. Do not attempt to self-administer it at home. Before each dose, tell your doctor about all your medicines, especially any other iron products, vitamin C supplements, or medicines that affect blood pressure. Your doctor will check your haemoglobin, ferritin, and transferrin saturation before and during treatment to make sure the iron is being used properly and not building up. Avoid taking oral iron supplements at the same time unless your doctor specifically tells you to, because the combination can increase stomach upset. If you feel dizzy, short of breath, or notice a rash or swelling during or after the infusion, tell the nurse or doctor immediately. Pregnant women should only receive this medicine if clearly needed and prescribed by a specialist, as safety depends on the stage of pregnancy and the severity of anaemia. Do not drive or operate heavy machinery right after the infusion if you feel light-headed. Keep all follow-up appointments so your response to treatment can be monitored.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Older adults may be more prone to dizziness and low blood pressure after this medicine. They should be monitored closely during and after the infusion. Kidney and heart function should be assessed before treatment, and doses should be individualized. Falls risk should be considered if dizziness occurs.
🤰 Pregnancy Planning (TTC)
If you are planning pregnancy and have iron deficiency anaemia, talk to your doctor. Correcting anaemia before conception is important for a healthy pregnancy. This medicine may be used if oral iron is not effective, but only under specialist supervision. Discuss the risks and benefits with your healthcare provider.
🏥 Post-Surgery Considerations
This medicine may be used after surgery to correct anaemia caused by blood loss. It is given intravenously in a hospital setting. Your doctor will monitor your haemoglobin and iron levels and decide on the dose. Tell your surgical team if you have had any reactions to iron injections before.
🦷 Dental Procedures
There are no specific restrictions for dental procedures while receiving this medicine. However, inform your dentist about your treatment and any medicines you are taking. If you feel dizzy or unwell on the day of your dental appointment, reschedule it.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
You can usually continue light to moderate exercise while receiving this medicine, but avoid strenuous activity on the day of your infusion if you feel dizzy or tired. Listen to your body and rest if needed. If you have heart or kidney disease, ask your doctor about safe exercise levels.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
Most people can return to work after their infusion, but if you feel dizzy or light-headed, avoid driving or operating heavy machinery until you feel normal. Your energy levels should improve as your anaemia is corrected, which can help you perform better at work and daily activities. Plan your infusion appointments around your work schedule and allow some rest time afterwards.
🛑 When to Stop This Medicine
Do not stop this medicine on your own. Your doctor will decide when to stop based on your haemoglobin and iron stores. Treatment is usually stopped once iron levels are normal and the cause of deficiency is addressed. If you experience a serious side effect, your doctor may stop the infusion immediately and change your treatment.
📅 Long-Term Use Effects
Long-term use of this medicine is generally safe when doses are calculated correctly and iron levels are monitored. The main risk of long-term or excessive use is iron overload, which can damage the liver, heart, and other organs. Regular blood tests for ferritin and transferrin saturation help prevent this. Some people may develop low phosphate levels after repeated infusions, which can cause bone pain or weakness. Your doctor will review your treatment regularly and stop or adjust it once your iron stores are replenished.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
First-line treatment for iron deficiency anaemia when the gut can absorb iron and the patient tolerates it.
Evidence: Well-establishedIncreasing iron-rich foods and vitamin C can help maintain iron levels but is usually not enough for severe deficiency.
Evidence: Well-establishedReserved for severe, life-threatening anaemia when rapid correction is needed.
Evidence: Well-established💉 Vaccination Considerations
💉 If You're Getting Vaccinated
There are no known interactions between this medicine and vaccines. You can receive routine vaccinations as scheduled, but tell your doctor if you have recently received this medicine or plan to, so they can advise on timing if needed.
📦 Storage Guide
✅ DO
Store at room temperature (15-30°C)
❌ DON'T
Do not freeze
✅ DO
Keep in original packaging
❌ DON'T
Do not transfer to unmarked containers
✅ DO
Protect from light and moisture
❌ DON'T
Do not store in bathroom cabinet
✅ DO
Keep out of reach of children
❌ DON'T
Do not use after expiry date
✈️ Traveling with This Medicine
This medicine is given in a clinic or hospital, so travel planning should be discussed with your doctor. If you are travelling, carry a copy of your prescription and a letter from your doctor explaining that you receive intravenous iron. Keep the medicine in its original packaging if you need to transport it, and store it at room temperature away from direct sunlight. If you are flying, check airline regulations for carrying medical supplies. Plan your infusions around your travel dates so you do not miss a dose. Always inform the treating healthcare professional about your travel plans and any recent infusions.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: It usually takes two to four weeks to see a rise in haemoglobin after a sufficient dose. Your doctor will check your blood counts to see how well you are responding.
A: It is given as an intravenous infusion or injection by a healthcare professional in a clinic or hospital. You will be monitored during and after the infusion.
A: Common side effects include headache, dizziness, nausea, metallic taste, and mild injection site reactions. These usually settle within a few hours to a day.
A: You should not take oral iron on the same day unless your doctor specifically tells you to, as it can increase the risk of side effects and iron overload.
A: It may be used in pregnancy when clearly needed, especially in the second and third trimester, but only under specialist supervision.
🤔 Common Patient Concerns
🔄 Substitutes for iv fer 100mg injection
View AllAlternative brands with exact same active ingredient:
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: This medicine can be taken at home like a tablet.
Fact: This medicine must be given by a healthcare professional in a clinic or hospital because it can rarely cause serious allergic reactions. - Myth: More iron is always better.
Fact: Too much iron can be harmful and cause iron overload. Doses are carefully calculated and monitored with blood tests. - Myth: This medicine works immediately.
Fact: It takes two to four weeks to see a rise in haemoglobin, depending on the severity of anaemia and the dose given. - Myth: You can stop oral iron and switch to this medicine on your own.
Fact: Only a doctor can decide if intravenous iron is needed. Do not change your treatment without medical advice.