This page contains brief details about the drug , it's indication, dosage & administaration, mechanism of action, related brands with strength, warnings and common side effects.

Background and Date of Approval

The U.S. Food and Drug Administration (FDA) approved the Iron in 2000.

Mechanism of Action of undefined

Iron supplements primarily work by replenishing the body's iron stores to combat iron deficiency. When an individual takes an iron supplement, the iron is absorbed in the small intestine and becomes available for various vital functions. 

Uses of undefined

Iron has several key uses in healthcare. They are primarily employed to treat and prevent iron deficiency anemia. Additionally, they support its increased needs during pregnancy, manage chronic medical conditions that cause its deficiency, address its loss due to excessive menstrual bleeding, treat pediatric iron-deficiency anemia, supplement vegetarian and vegan diets, assist athletes with its higher requirements, aid recovery after specific surgeries, and help manage iron-related challenges in conditions like inflammatory bowel disease or celiac disease. 

undefined Drug administaration and Dosage available

Iron supplements can be administered through various routes, but the most common method is oral administration. The choice of administration route depends on the severity of the iron deficiency, the underlying condition, and the patient's ability to tolerate and absorb oral iron supplements. 

Warnings, Precautions and Side Effects of undefined


Iron supplements can trigger allergic reactions in some individuals, leading to symptoms like skin rash, itching, swelling of the face or throat, severe dizziness, or difficulty breathing. In severe cases, these reactions can be life-threatening. Excessive intake of this medication or overdose can result in iron toxicity, leading to serious health consequences, including organ damage. Accidental ingestion by children can be especially dangerous. It may cause gastrointestinal discomfort, including nausea, constipation, stomach cramps, and heartburn. These side effects can impact your daily life and well-being.


If you experience symptoms like skin rash, itching, swelling of the face or throat, severe dizziness, or difficulty breathing, seek immediate medical attention. Before starting or adjusting iron supplementation, consult with a healthcare provider to determine if it's necessary and to receive personalized guidance on dosage and duration. Take it exactly as prescribed or as directed on the product label. Avoid altering the dosage without consulting a healthcare professional.

Side Effects

Iron supplements can lead to common side effects like nausea, constipation, stomach cramps, and dark stools. They may also cause severe side effects, including allergic reactions, nausea or vomiting, constipation or bowel obstruction, iron overload, liver or kidney issues, hypotension, and systemic reactions. 

Word Of Advice

Consult a healthcare provider to determine if iron is necessary and to receive personalized guidance regarding dosage and duration. Adhere to the prescribed dosage without self-adjustment, and consider taking it with food to minimize gastrointestinal discomfort. Be aware of foods and substances that can hinder its absorption, such as calcium-rich foods and caffeine, and instead, pair its intake with sources of vitamin C to enhance absorption. If you are on other medications, discuss the timing of this medication with your healthcare provider to prevent potential interactions. Ensure you stay well-hydrated to reduce the risk of constipation. Keep it out of reach of children to prevent accidental ingestion. Report any side effects to your healthcare provider promptly. If long-term supplementation is required, be open to monitoring your levels, especially if you have underlying medical conditions. Finally, expect regular blood tests to track your progress accurately if you're treating anemia or iron deficiency. Always remember that it should be used under professional guidance, as improper use or self-medication can pose risks and may not effectively address underlying health issues.

Frequently Asked Question


  1. KD Tripathi, Essentials of Medical Pharmacology, Haematinics and Erythropoietin, 7th edition, 2013, 599-606.
  2. Goodman & Gilman’s, The Pharmacological Basis of Therapeutics, Hematopoietic agents, 12th edition, 2011, 1077.
  3. Vifor France, Electronic medicines compendium (EMC), [Revised on Dec 2020] [ Accessed on 9th September 2023],
  4. GlaxoSmithKline LLC, US Food and Drug Administration, [Revised on 2nd January 2023] [ Accessed on 9th September 2023],


The drug information on this page is not a substitute for medical advice; it is meant for educational purposes only. For further details, consult your doctor about your medical condition to know if you can receive this treatment.