Fero-Grad

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Fero-Grad

Method of action: Antianemic

Treatment option: Anemia, Iron Deficiency

Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Fero-Grad

What is Fero-Grad? Iron and Ascorbate Supplement

Property Description
Active Ingredients Ferrous Sulfate, Sodium Ascorbate
Form Modified-release tablet (Sustained-release)
Pharmacological Class Antianemic agent / Hematinic agent
Common Use Addressing and preventing iron deficiency
Origin Synthetic combination product

What Type of Medicine is Fero-Grad?

Fero-Grad is a fixed-dose combination product categorized as an antianemic preparation and hematinic agent. Its primary function, at an identity level, is the management and prevention of deficiencies related to iron, a mineral essential for the transport of oxygen by hemoglobin.

The medication is a synthetic combination specifically formulated as a tablet for oral administration. The general use of iron supplements, including this product, is clinically recognized for addressing and preventing tiredness and fatigue associated with iron deficiency.

Active Ingredients and Unique Form

The active ingredients in this preparation are Ferrous Sulfate and Sodium Ascorbate (a derivative of Ascorbic Acid, or Vitamin C). Fero-Grad is manufactured as a Modified-release tablet, often referred to as a Sustained-release tablet, utilizing a specialized delivery system known as Gradumet.

This controlled-release mechanism is a key differentiating feature, designed to regulate the pace at which the active ingredients are liberated in the digestive tract. The slow, steady release is intended to optimize iron delivery and minimize the acute gastrointestinal irritation that can be associated with immediate-release iron salts. The Ferrous Sulfate supplies the necessary elemental iron, while the Sodium Ascorbate component is included to enhance its absorption.

The General Benefit of Iron and Ascorbate

The general benefit is the support of the body’s red blood cell production and oxygen-carrying capacity through efficient iron delivery. The major activity of supplemental iron is in the prevention and treatment of iron deficiency anemia. This confirms the primary therapeutic need the medicine addresses.

The inclusion of Ascorbate is a key functional feature, as it chemically enhances the absorption of nonheme iron in the gut, thereby maximizing the overall bioavailability of the mineral. This combined action provides the necessary components to effectively replenish iron reserves crucial for systemic functions, a benefit well-established in pharmacological studies.

Regulatory References

  1. Hemoglobin Function
  2. Iron Dietary Supplement Fact Sheet

What side effects are possible with Fero-Grad?

Possible Side Effects and Safety Information

The safety profile for Fero-Grad, a modified-release ferrous sulfate preparation, is structured around adverse reactions categorized by frequency and the organ systems affected, as documented in regulatory sources.

Frequency-Classified Adverse Reactions

Classification Examples of Documented Effects
Common Nausea, vomiting, abdominal pain, constipation, and diarrhoea. The blackening of stools is an expected and non-pathological consequence of iron supplementation.
Not Known Reactions such as oesophageal ulceration, bronchial necrosis, and intestinal obstruction (ileus). These are typically based on post-marketing surveillance reports.

System-Organ Classes and Serious Reactions

The majority of side effects are classified under Gastrointestinal Disorders. However, serious adverse reactions have been documented under Immune System Disorders (e.g., severe allergic reactions or anaphylaxis), and Respiratory, Thoracic and Mediastinal Disorders.

Localized serious injury, including oesophageal lesions or bronchial necrosis, is linked to the physical characteristic of the tablet. These risks arise from the tablet lodging in the oesophagus or being aspirated if it is not swallowed whole.

Population-Specific Safety Notes

Official regulatory documents note specific safety considerations for certain groups. The product is generally not recommended for children under 12 years old due to the serious risk of acute iron poisoning. Additionally, special caution applies to older adults with delayed intestinal transit or severe constipation, where the inert tablet matrix presents a potential risk. These classifications establish the primary safety constraints and risk contexts associated with the medicine.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Fero-Grad, which contains Ferrous Sulfate, emphasizes the severe nature of acute iron toxicity.

Documented Overdose Manifestations

Overdose is documented as a multi-stage syndrome, typically beginning with Acute Corrosive Toxicity of the gastrointestinal tract. Clinical signs and symptoms listed in regulatory labeling include severe vomiting, abdominal pain, bloody diarrhea, and melena.

If not addressed, this can progress to Systemic Organ Failure. Severe outcomes include shock (hypovolemic or cardiogenic), metabolic acidosis, seizures, coma, and failure of the liver (hepatic) and kidneys (renal). Accidental overdose of iron-containing products is specifically stated as a leading cause of fatal poisoning in children under 6.

Emergency Actions

Call a doctor or poison control center immediately in case of accidental overdose or if too much medicine is ingested.

The official instructions mandate seeking urgent medical attention if signs of severe toxicity are present, such as collapse, trouble breathing, or inability to be awakened. Immediate support of airway, breathing, and circulation (ABCs) is required. For confirmed severe systemic toxicity, the antidote Deferoxamine (a chelating agent) is documented as an intervention to remove excess iron. Monitoring of serum iron concentration is a a critical component of management.

Therapeutic Uses of Fero-Grad

What Fero-Grad Treats: Main Uses and Benefits

Fero-Grad is used for managing conditions and symptoms associated with iron deficiency, a state where the body's iron stores are insufficient to maintain normal physiological functions.

This medication is relevant in contexts involving low iron levels and helps address symptom clusters that may become intense or disruptive. This product is commonly used to help manage iron deficiency anemia. The key therapeutic domains include addressing symptoms that interfere with daily functioning and those that create noticeable physiological strain.

Symptomatic Support and Relief

Fero-Grad is applied across domains where additional symptomatic support is needed to address symptoms that create noticeable physiological strain. It is commonly used for conditions presenting with acute episodes of iron depletion. The medication is often used when symptoms intensify and supportive relief is needed, providing support that helps ease the overall symptom burden. It is applicable within clinical settings that involve disruptive symptom patterns related to iron status.

Fero-Grad is used in areas where short-term symptom management is appropriate. This supports general well-being during symptomatic phases and may help individuals cope more steadily with symptom fluctuations, offering symptomatic relief during periods of heightened discomfort.

Quick Fact: Support for Profound Fatigue
Contributes to improved comfort during periods of heightened weakness and is used for managing symptoms that interfere with daily functioning.

Regulatory References

  1. MedlinePlus Medical Encyclopedia on Iron Deficiency Anemia

Eligibility and Restrictions for Use

Fero-Grad is primarily indicated for the treatment and prevention of iron-deficiency anemia in adults and children over 12 years old. It is an iron supplement, often containing ferrous sulfate, that helps restore the body's iron stores.

Fero-Grad is sometimes recommended during pregnancy to manage iron deficiency, particularly after the first trimester, but this should be done under a doctor's supervision.


Contraindications and Precautions

Certain individuals should not take Fero-Grad. These contraindications include:

  • Existing iron overload conditions: Patients with diseases like hemochromatosis or hemosiderosis (excessive iron accumulation) should not use this medication.
  • Intestinal obstruction or diverticular disease: Individuals with certain gastrointestinal conditions may be advised against taking the drug.
  • Receiving repeated blood transfusions or iron injections.
  • Known allergy or hypersensitivity to ferrous sulfate or any other ingredient in the tablet.

Important Warnings

  • Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under six. It is vital to keep Fero-Grad out of their reach.
  • Consult a healthcare provider if you have a history of ulcers, colitis, or other bowel problems. The modified-release tablet formulation may not be suitable if you have difficulty swallowing, as there is a rare risk of ulceration if the tablet lodges in the airways.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Fero-Grad focuses on pharmacokinetic interactions where the iron component interferes with the absorption of other substances in the digestive tract. The ferrous ion ( Fe^2+) can form non-absorbable complexes with co-administered oral medicines, leading to a reduced systemic exposure of both agents. Conversely, the Sodium Ascorbate component is formally documented to enhance the absorption of the ferrous iron.

This risk of reduced drug levels necessitates mandatory timing separation requirements for several drug classes, as documented in government labeling, rather than absolute prohibitions. The constraints are based on the need to physically separate the administration of these substances.

Required Administration Separation

Interacting Substance Class Mandatory Separation Rule Exposure Impact
Thyroid Hormones (e.g., Levothyroxine) Separate by at least 4 hours Decreased Levothyroxine absorption
Tetracycline & Quinolone Antibiotics Separate by at least 3 to 4 hours or more Decreased absorption of both iron and antibiotic
Antacids/Calcium/Zinc Supplements Separate by at least 1 hour before or 2 hours after Decreased iron absorption

Co-ingestion with specific foods, including coffee, tea, milk, eggs, and wholegrain cereals, is also documented to decrease the absorption of iron and requires separation from Fero-Grad doses.

Mechanism of Action

Mechanism of Action: How Fero-Grad Works

Fero-Grad functions primarily through substrate replenishment within the iron homeostatic system. The released ferrous ion ( Fe^2+) is actively transported into the intestinal enterocytes via the Divalent Metal-ion Transporter 1 (DMT1). This initial uptake initiates the systemic iron cascade.

Once absorbed, the iron is bound to the carrier protein Apo-transferrin for distribution to tissues, most notably the bone marrow. Here, the iron is integrated into protoporphyrin to form Heme, which is subsequently incorporated into Globin chains to generate functional Hemoglobin molecules. This molecular structure is essential for oxygen binding and transport.

Furthermore, the controlled-release formulation influences the kinetics of iron delivery, thereby modulating the body’s iron regulatory loop. This occurs by influencing the activity of Hepcidin, the hormone that governs iron efflux by mediating the degradation of the transport protein Ferroportin, ultimately impacting the duration and efficiency of iron absorption.

Dosage and Administration Information

Fero-Grad is a prolonged-release iron supplement strictly administered via the oral route as a film-coated tablet containing 105 mg of elemental iron. The official usage protocol requires the tablet to be swallowed whole with water; it must not be chewed, sucked, or crushed. This procedural constraint is essential to ensure the proper functioning of the medicine's controlled-release mechanism, which regulates the pace of iron delivery.


The dosing schedule is standardized for adults based on the therapeutic goal. For maintenance or prophylaxis, the standard regimen is one tablet daily. For curative treatment of established iron deficiency, official guidelines permit the use of one to two tablets per day. The duration of treatment is typically a long-term commitment, lasting three to six months to fully replenish the body’s iron reserves.


Administration timing is a key procedural condition. While the tablet is ideally taken before a meal to optimize iron absorption, it may be taken with food to manage gastrointestinal tolerance. Absorption can be reduced when taken with substances like tea, coffee, or milk.

For age-group administration, the medicine is not recommended for use in children under 12 years but is officially indicated for prophylaxis during the second and third trimesters of pregnancy. If a dose is missed, the patient should simply resume the standard daily schedule and not take more than one tablet to make up the difference.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Fero-Grad

Evidence for Use in Iron Deficiency Anemia (IDA)

This section summarizes the randomized controlled trials (RCTs) and systematic reviews that have evaluated the administration of ferrous iron salts in the context of Iron Deficiency Anemia.

The research base includes Randomized Controlled Trials (RCTs) and systematic reviews that consolidate data from various trials. Studies focused on measuring changes in Hemoglobin and Serum Ferritin (a measure of iron stores). Research also explored patient-reported outcomes describing perceived discomfort. Major regulatory and guideline bodies cite extensive data for this class of medicine, and the overall evidence level for this general approach is often categorized as High.

What Research Shows About the Active Ingredients

This part outlines how studies have investigated the two key components—ferrous sulfate and the added ascorbate (Vitamin C)—by summarizing the outcomes that researchers measured, such as changes in Hemoglobin and Serum Ferritin levels.

The main component, ferrous sulfate, was evaluated in studies examining low iron status. Studies explored whether the combination with Sodium Ascorbate (Vitamin C) was associated with different outcomes on hematological parameters. Findings related to the Ascorbate component were mixed across different studies. Trials monitoring final hematological biomarkers have reported patterns where a definitive, significant measured difference from the Ascorbate component was not always observed.

The Role of the Modified-Release Formulation

Fero-Grad uses a specific modified-release delivery system, which was evaluated in specific research. These studies explored how the modified-release system may be linked to outcomes related to physical discomfort (gastrointestinal tolerance). Comparative studies also monitored the resulting absorption of iron. Further comparative evidence is lacking to characterize the overall clinical effect of this specific delivery mechanism.

What Remains Uncertain in the Research

Despite the High evidence level for oral ferrous iron as a class, data are still emerging regarding the incremental value of the Ascorbate component for specific hematological outcomes. Additionally, some follow-up durations were short in many studies, meaning that information for long-term effects remains insufficient, particularly for maintaining iron stores years after treatment. Findings describe group patterns, and research does not determine whether an individual will respond similarly, especially since results apply only to the populations studied.

Key Studies & References

  1. Iron Deficiency Anemia (MedlinePlus Medical Encyclopedia)

Frequently Asked Questions (FAQ)

Common questions about Fero-Grad (FAQ)


Q: Is Fero-Grad the same as just taking an iron pill?

Fero-Grad is a specific type of iron supplement that uses a prolonged-release delivery system known as Gradumet. This controlled release is a key difference that is intended to influence the kinetics of iron delivery, unlike some conventional immediate-release iron pills.

Q: What's the difference between Fero-Grad and generic ferrous sulfate?

Fero-Grad contains the active ingredient ferrous sulfate. The key difference is the prolonged-release (Gradumet) formulation, which utilizes a specialized system designed to regulate the pace of iron delivery. Generic ferrous sulfate may come in an immediate-release format.

Q: Does Fero-Grad interact with my morning coffee?

Official product information notes that co-ingestion with specific substances, including coffee and tea, is documented to decrease the absorption of iron. To optimize the absorption of iron, administration should be separated from coffee and tea, as listed in the product information.

Q: Why is Fero-Grad usually recommended once a day?

The design of this specific formulation, which releases the iron slowly and steadily, is intended to allow for once-daily dosing. The Gradumet delivery system regulates the pace of iron delivery over a period of hours.

Q: Is a metallic taste in my mouth normal when taking Fero-Grad?

A metallic taste is a commonly reported sensation sometimes associated with oral iron salts, though it may not be listed in the official Fero-Grad documents. It is a known chemical effect related to the ingestion of ferrous salts.

Q: Will Fero-Grad mess up my multivitamin absorption?

The ferrous ion can form complexes with and reduce the absorption of other substances, including certain minerals like calcium and zinc, which are often found in multivitamins. Separation of the administration time may be required to help mitigate this interaction.

Q: Can children take Fero-Grad for low iron?

Fero-Grad is not recommended for use in children under 12 years old due to the serious risk of acute iron poisoning. The product information should be consulted to confirm suitability and appropriate use in children over this age.

Q: How long does it typically take for Fero-Grad to fix an iron deficiency?

Treatment duration commonly lasts for three to six months to fully replenish the body’s iron reserves, according to official guidance. This timeframe is necessary to allow for the body to restore its iron stores.

Q: Can Fero-Grad interfere with antibiotics?

Fero-Grad can interfere with the absorption of certain antibiotic classes, specifically Tetracycline and Quinolone antibiotics. The official administration constraint requires a mandatory separation period of at least 3 to 4 hours between Fero-Grad and these specific antibiotics to prevent reduced absorption of both agents.

Q: What should I do if Fero-Grad makes me feel nauseous?

Nausea is listed as a common side effect of Fero-Grad. Product labeling mentions that while Fero-Grad is ideally taken before a meal, it can be taken with food to help manage gastrointestinal tolerance.

Q: Are there any long-term side effects known for Fero-Grad?

The information for long-term effects beyond the typical treatment duration (three to six months) is often noted as insufficient in regulatory documents. Risks of long-term iron use are primarily related to general risks of iron accumulation.

Q: What are the signs that Fero-Grad is actually working?

Studies evaluate effectiveness by monitoring changes in key blood markers, such as Hemoglobin and Serum Ferritin (iron stores). Changes in patient-reported outcomes like perceived discomfort were also monitored in research.

Q: Is it true that Fero-Grad absorbs better when taken with orange juice?

The Sodium Ascorbate component (a form of Vitamin C) is already included in the tablet and is formally documented to enhance the absorption of the ferrous iron. While orange juice contains Vitamin C, the product's formulation includes this component for optimal absorption.

Q: Can Fero-Grad affect my ability to drive or operate machinery?

Regulatory documents state that Fero-Grad has no known influence on the ability to drive or use machines.

Q: Is it safe for a man to take Fero-Grad for general fatigue?

Fero-Grad is indicated for the treatment and prevention of iron-deficiency anemia in adults. Its safety profile is defined by contraindications and is not gender-specific.

Q: Is it normal to still feel tired even after starting Fero-Grad?

Yes, it can be normal to still feel tired soon after starting treatment. Because the treatment involves the gradual replenishment of iron stores, which commonly takes several months, symptom improvement is part of a steady process and may not be immediately noticeable.

How should Fero-Grad be stored and disposed of?

Storage and Disposal Requirements

Fero-Grad (ferrous sulfate prolonged-release tablets) must be stored strictly according to official regulatory labeling to ensure product stability and prevent accidental ingestion.

Requirement Official Regulatory Statement
Temperature Store below 30 C or 25 C in a cool, dry place.
Container & Protection Keep in the original container and store protected from light.
Child Safety Keep out of the reach and sight of children. Accidental overdose of iron-containing products can be fatal to a young child.
Stability Do not use after the expiry date printed on the packaging.
Disposal Do not dispose of via wastewater or household waste. Ask the pharmacist how to dispose of unused or expired medicine.

These storage conditions are mandatory to maintain the quality of the medicine until the stated expiry date. Disposal must follow pharmaceutical waste protocols to protect the environment.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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