What it's for (Indications)
- Ferrous sulphate is primarily indicated for the treatment and prevention of iron deficiency anemia.
- This includes conditions such as nutritional iron deficiency, chronic blood loss (e.
- g.
- , heavy menstruation, gastrointestinal bleeding), increased iron requirements (e.
- g.
- , pregnancy, lactation, and rapid growth in children and adolescents), and certain malabsorption syndromes.
- It is also utilized as a prophylactic measure in populations identified as high-risk for developing iron deficiency, ensuring adequate iron stores for critical physiological functions.
- This therapeutic intervention aims to restore hemoglobin levels and replenish depleted iron stores within the body, thereby alleviating symptoms associated with iron deficiency, such as fatigue, pallor, and dyspnea.
Dosage Information
| Type | Guideline |
|---|---|
| Standard | The dosage of ferrous sulphate must be individualized based on the patient's age, body weight, the severity of iron deficiency, and the specific preparation (e.g., tablet, liquid). For adults, a typical therapeutic dose for treating iron deficiency anemia is 65 mg of elemental iron (equivalent to 325 mg of ferrous sulfate) administered orally one to three times daily. For prophylaxis against iron deficiency, a common adult dose is 65 mg elemental iron once daily. In children, dosage is typically weight-based, usually ranging from 3 to 6 mg of elemental iron per kilogram of body weight per day, divided into two to three doses. Ferrous sulphate is best absorbed on an empty stomach, but it can be taken with food to mitigate gastrointestinal upset. Concomitant administration with antacids, calcium supplements, or certain antibiotics (e.g., tetracyclines, fluoroquinolones) should be avoided due to potential interference with iron absorption. The duration of treatment usually extends for 3 to 6 months after hemoglobin levels normalize to adequately replenish the body's iron stores, which is crucial for long-term efficacy and prevention of relapse. |
Safety & Warnings
Common Side Effects
- Common side effects associated with ferrous sulphate therapy are predominantly gastrointestinal in nature.
- These include nausea, vomiting, constipation, diarrhea, abdominal discomfort or pain, and the characteristic darkening of stools, which is harmless but can be concerning if not anticipated by the patient.
- Less common but possible adverse effects include heartburn, an unpleasant metallic taste in the mouth, and temporary tooth staining, particularly observed with liquid formulations, which can often be mitigated by diluting the dose or using a straw.
- While rare, hypersensitivity reactions can occur.
- It is crucial to note that high doses or prolonged, unsupervised use can potentially lead to iron overload, especially in individuals predisposed to such conditions, such as those with hereditary hemochromatosis or patients receiving frequent blood transfusions.
- Patients should be thoroughly counseled on these anticipated gastrointestinal effects to improve adherence to therapy and manage expectations.
Serious Warnings
- Black Box Warning: Ferrous sulphate, while not possessing a formal FDA Black Box Warning in the traditional sense, carries an extremely critical safety alert regarding **Accidental Overdose of Iron-Containing Products**. This constitutes one of the leading causes of fatal poisoning among children under six years of age. It is imperative that all parents and caregivers receive explicit and repeated counseling on the absolute necessity of storing all iron-containing supplements, including ferrous sulphate tablets or liquids, securely out of the reach and sight of children in child-resistant packaging. In the event of a suspected or confirmed accidental ingestion or overdose, immediate emergency medical attention is paramount. Iron toxicity can progress rapidly and lead to severe, life-threatening systemic consequences, including acute gastrointestinal hemorrhage, hypovolemic shock, profound metabolic acidosis, severe hepatic necrosis, cardiovascular collapse, and ultimately, death. Initial symptoms of acute iron overdose may include severe nausea, persistent vomiting, abdominal pain, diarrhea, hematemesis (vomiting blood), profound lethargy, and subsequent cardiovascular instability. Prompt intervention with gastric decontamination, chelation therapy (e.g., deferoxamine), and aggressive supportive care is critical for survival and mitigating long-term organ damage. This serious warning demands the highest level of vigilance and patient education to prevent tragic outcomes.
- Patients commencing ferrous sulphate therapy must undergo a thorough diagnostic evaluation to ascertain the underlying cause of iron deficiency.
- Iron deficiency can often be a symptom of a more serious, occult condition, such as chronic gastrointestinal bleeding from ulcers or malignancy, or malabsorption disorders, which require specific management beyond simple iron supplementation.
- Ferrous sulphate should be administered with considerable caution in patients with active inflammatory bowel disease, peptic ulcer disease, or other significant gastrointestinal pathologies, as iron supplementation can potentially exacerbate these conditions, leading to increased discomfort or bleeding.
- Iron can significantly interfere with the absorption of other vital medications, including thyroid hormones (e.
- g.
- , levothyroxine), tetracycline antibiotics, and fluoroquinolone antibiotics, necessitating staggered administration, typically by at least 2-4 hours.
- A critical warning pertains to accidental overdose: iron-containing products are a leading cause of fatal poisoning in children under the age of six.
- All iron supplements must be stored strictly out of the reach and sight of children in child-resistant containers.
- Individuals with confirmed hemochromatosis or other iron overload disorders should strictly avoid iron supplementation to prevent severe organ damage, including cardiac and hepatic toxicity.
How it Works (Mechanism of Action)
Ferrous sulphate functions as an essential exogenous source of iron, a vital mineral indispensable for numerous physiological processes within the human body. Iron is a critical component in the biosynthesis of hemoglobin, the protein in red blood cells responsible for oxygen transport from the lungs to tissues, and myoglobin, which stores oxygen in muscle cells. Furthermore, iron acts as a crucial cofactor for various enzymatic processes involved in cellular respiration, energy production, and DNA synthesis, playing a fundamental role in overall cellular function. Upon oral administration, the ferrous (Fe2+) form of iron is absorbed primarily in the duodenum and proximal jejunum through specific transporter proteins (e.g., DMT1). Once absorbed, it binds to transferrin for systemic transport to sites of erythropoiesis in the bone marrow, or it is stored intracellularly as ferritin, predominantly in the liver, spleen, and bone marrow. By providing readily available iron, ferrous sulphate effectively supports increased erythropoiesis, thereby correcting iron deficiency anemia and ameliorating its debilitating symptoms, such as fatigue, pallor, and impaired cognitive function, while also replenishing the body's depleted iron reserves.
Commercial Brands (Alternatives)
No other brands found for this formula.