Acfol

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Medically reviewed

Marina Burgos

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 Acfol

What is Acfol?

Acfol is a pharmaceutical preparation consisting of folic acid, a water-soluble vitamin belonging to the B-complex group (specifically vitamin B9). It is a synthetic form of folate, a nutrient that occurs naturally in various foods and is essential for several fundamental biological processes within the human body.

Role of Folic Acid

Folic acid serves as a critical coenzyme in the synthesis of nucleic acids, including DNA and RNA. Because it is involved in the production and maintenance of new cells, it is particularly important during periods of rapid cell division and growth. Its primary functions include:

  • Red Blood Cell Formation: Assisting in the production of healthy red blood cells to support oxygen transport.
  • Genetic Synthesis: Facilitating the repair and synthesis of genetic material.
  • Amino Acid Metabolism: Participating in the conversion of homocysteine into methionine, an essential process for protein synthesis and cardiovascular health.

Mechanism of Action

Once ingested, the folic acid in Acfol is converted by the body into tetrahydrofolate. This active metabolite acts as a donor of one-carbon units in various metabolic pathways. This biochemical process is vital for the maturation of megaloblasts into mature erythrocytes (red blood cells). A deficiency in this vitamin can lead to the production of abnormally large, dysfunctional red blood cells, a condition known as megaloblastic anemia.

Clinical Applications

Acfol is primarily used to manage nutritional deficiencies and to support specific physiological demands. Common applications include:

  • Prevention of Neural Tube Defects: Supplementation is often utilized before and during pregnancy to support the proper development of the fetal central nervous system.
  • Treatment of Folate Deficiency: Addressing inadequate levels caused by diet, malabsorption issues, or the use of certain medications that interfere with folate metabolism.
  • Supportive Care: Assisting in various chronic conditions where the body requires higher-than-normal levels of folic acid to maintain cellular health.

Regulatory References

  1. clinically recognized (NIH)
  2. WHO Essential Medicines List

What side effects are possible with Acfol?

Possible Side Effects and Safety Information

The official safety documentation for Acfol (Folic Acid) defines its risk profile primarily around specific contraindications and the classification of adverse reactions by frequency.

Adverse Reaction Classifications

Adverse effects are documented in regulatory sources, mainly concerning two System Organ Classes (SOCs): Immune System Disorders and Gastrointestinal Disorders. Reactions such as general hypersensitivity (including rash, pruritus, and urticaria) and specific gastrointestinal disturbances (such as nausea, flatulence, and anorexia) are generally classified as Rare in the Summary of Product Characteristics (SmPC) and equivalent documents.

Serious Safety Considerations

The most critical safety note documented in official labeling relates to Vitamin B12 deficiency. Folic Acid is contraindicated as sole therapy for megaloblastic anemias caused by a Vitamin B12 deficiency because it may allow the progression of irreversible neurological damage (e.g., subacute combined degeneration of the spinal cord) while masking the blood-related signs. Anaphylactic reactions (including shock) are also listed as a rare, serious adverse event.

Dose, Duration, and Special Population Safety

Dose-Related Effects on the Nervous System (e.g., confusion, altered sleep patterns, and irritability) have been documented when Folic Acid is administered in high daily doses (e.g., 15 mg or more). Prolonged therapy may be associated with a decrease in Vitamin B12 serum levels.

Regarding population-specific safety, official data indicate that the use of Folic Acid by pregnant or lactating individuals has not been shown to increase the risk of fetal abnormalities or harm to the breastfed infant. Caution is also advised for patients using certain anticonvulsant drugs, as Folic Acid may decrease their serum levels, and for patients with folate-dependent tumors.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Acfol (Folic Acid) documents that the substance exhibits low acute toxicity following acute or chronic ingestion of excessive doses. The manifestations of overdose are generally mild and non-specific.


Documented Manifestations and Management

Element Official Regulatory Statements
Documented Manifestations Symptoms may include gastrointestinal disturbances (nausea, abdominal discomfort, flatulence) and Central Nervous System (CNS) effects such as irritability or sleep disturbances (insomnia).
Antidote Information No specific antidote is known or documented for Folic Acid overdose in the regulatory product information.
Management Measures Treatment is limited to symptomatic and supportive measures to address any clinical effects observed.

Urgent Actions Required

Immediate medical attention must be sought if an overdose is suspected or if severe symptoms develop, such as those related to a serious allergic reaction (e.g., swelling or difficulty breathing). Regulatory authorities mandate that individuals contact emergency services or a poison control center immediately in these situations. Hospital monitoring may be required for large exposures or persistent, severe symptoms.

Of note, high-dose Folic Acid intake carries a regulatory caution regarding the potential to mask the haematological manifestations of underlying Vitamin B12 deficiency, which is a long-term risk of high use.

Therapeutic Uses of Acfol

Supportive Management for Symptoms Related to Systemic Imbalance

This medicine is applied across domains where additional symptomatic support is needed for conditions presenting with systemic discomfort. It is considered relevant in clinical settings marked by temporary physiological imbalance. This medicine is commonly used across conditions presenting with acute episodes and for supportive management of symptomatic periods, such as those associated with megaloblastic anemia. This medicine helps address symptom clusters that may become intense or disruptive, such as symptoms related to physical discomfort, weakness, or functional strain.

“The use of this support contributes to easing the overall symptom load during periods of heightened symptoms.”


Support for Functional Stability

This medicine is commonly used across conditions presenting with systemic or localized discomfort and is applicable within clinical settings that involve acute or disruptive symptom patterns. It is relevant in contexts marked by increased discomfort or tension, as the medicine is applied in addressing the need for support for specific functional stability. This provides support that helps ease the overall burden of symptoms for the developing fetus and assists with maintaining a sense of stability when symptoms are more noticeable.

Quick Fact: Assists with Systemic Discomfort

Eligibility and Restrictions for Use

Official Eligibility and Contraindications for Acfol

Acfol (Folic Acid) is broadly permitted for use across diverse populations, but official regulatory labeling defines strict conditions and absolute contraindications for its use.

Eligibility Classification Population Rule (Based on Regulatory Documents)
Absolute Contraindication Patients with a known hypersensitivity to folic acid or any excipients must not use Acfol. It is also contraindicated in patients with malignant disease unless the related anemia is proven to be a folate deficiency.
Conditional Exclusion The medication is contraindicated for use alone in patients with undiagnosed megaloblastic anemia or pernicious anemia (Vitamin B12 deficiency). Folic acid must not be given alone in these conditions as it can mask hematological symptoms while irreversible neurological damage continues.
Broad Inclusion Use is established and permitted for all age groups, including infants, children, adults, and older adults. It is also permitted for use during pregnancy and lactation, as no adverse effects on the breastfed infant have been observed in labeling.
Specific Restrictions Caution should be exercised when administering Acfol to patients with potential folate-dependent tumours. Additionally, some tablet formulations are contraindicated in patients with rare hereditary metabolic disorders such as Lapp lactase deficiency.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Acfol (Folic Acid) documents specific interaction patterns concerning medicines that affect folate metabolism or alter Acfol's concentration in the body.

Documented Interaction Patterns

Category Interacting Entity Official Interaction Pattern/Outcome
Pharmacodynamic Antagonism Methotrexate Co-administration may interfere with the intended antifolate effect of Methotrexate, establishing a restriction on concurrent use.
Pyrimethamine, Trimethoprim May decrease the therapeutic effectiveness of these antifolate agents by competitive antagonism.
Reduced Exposure/Absorption Phenytoin, Phenobarbital, Primidone These anticonvulsants may increase the metabolism and clearance of Folic Acid, resulting in officially documented lower plasma concentrations.
Antacids (Aluminum/Magnesium) Interfere with absorption, leading to reduced Folic Acid uptake. Mandatory timing separation between doses is required.
Alcohol (Chronic Intake) Documented to impair the absorption and increase the excretion of Folic Acid.

Regulatory Summary

The interaction profile is based on pharmacokinetic effects that alter Folic Acid levels and pharmacodynamic effects that involve competitive inhibition. The most significant constraint is the restriction against co-administration with antifolate agents like Methotrexate, where the interaction is officially classified as potentially compromising treatment efficacy. This structure defines the constraints and required timing separation documented in official prescribing information.

Mechanism of Action

How Acfol Works: Mechanism of Action

Acfol's active component, Folic Acid, functions as an essential precursor in the one-carbon metabolism pathway. It acts as a substrate for the enzyme Dihydrofolate Reductase, undergoing conversion into its active coenzyme forms, primarily Tetrahydrofolate. These active folates serve as one-carbon unit donors required for the biosynthesis of fundamental cellular components, specifically the purine and pyrimidine bases necessary for the de novo creation of DNA and RNA molecules.

This molecular activity supports unimpaired cell division and proliferation in tissues characterized by high cell turnover, such as the bone marrow (hematopoietic tissue). Furthermore, the folate coenzyme is necessary for the enzyme Methionine Synthase to convert the substance homocysteine into methionine. This mechanism underlies the regulated production of blood elements required for effective oxygen transport and modulates the cellular availability of one-carbon units.


Mechanistic Constraints

The full operational capacity of the folate mechanism is functionally linked to the presence of Vitamin B12 (Cobalamin). Since Vitamin B12 acts as a required cofactor for Methionine Synthase, its availability dictates the efficient recycling of the folate coenzyme back into its active metabolic form, placing a functional constraint on the overall pathway's activity.

Dosage and Administration Information

How to Use Acfol

Acfol, containing Folic Acid, is administered according to specific regimens. The primary route of administration is oral, available as a tablet or liquid solution. These regimens detail the doses, frequency, and duration patterns for specific usage contexts.


Dosage and Frequency

Standard dosing is based on the clinical application:

Usage Context Standard Adult Daily Dose Frequency Pattern
Folate Deficiency Treatment 5 mg Once daily
Chronic Prophylaxis 5 mg Every 1 to 7 days (Intermittent)
High-Risk NTD Prevention 5 mg Once daily

For patients with malabsorption, the required dose may be increased up to 15 mg daily to ensure adequate intake. For children, the dose for megaloblastic anaemia treatment is 5 mg daily, while infants under one year are given a weight-based dose of 500 mug/kg daily.


Administration Requirements and Duration

Acfol tablets should be swallowed whole with water and can be taken with or without food. If using the liquid form, a calibrated dosing device must be used for accurate measurement. The duration of use is generally a fixed short-term course of approximately four months for correcting acute deficiency. However, use is designated as long-term or indefinite for maintenance in chronic deficiency states, such as chronic haemolytic conditions. For neural tube defect prevention, the course typically begins before conception and continues throughout the first trimester.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Acfol


Evidence for Preventing Neural Tube Defects (NTDs)

Research has widely explored the association between Acfol (folic acid) supplementation and the occurrence of certain birth defects, specifically Neural Tube Defects (NTDs) like spina bifida and anencephaly. Acfol was studied for its use in women who are pregnant or planning to conceive. Evidence indicates an association between consistent supplementation and observed patterns related to NTD occurrence in the study populations. These findings describe patterns observed in studies where women took Acfol at defined time intervals, generally starting before becoming pregnant and continuing through the early weeks of pregnancy.

However, research does not determine whether an individual will respond similarly, as study results reflect the specific conditions under which they were conducted.


Evidence for Treating Folate-Deficiency Anemia

Acfol was evaluated in studies focusing on individuals diagnosed with a specific type of anemia caused by low levels of folate in the body. This condition is characterized by systemic or functional imbalance. The studies explored how supplementation might be relevant to correcting this imbalance. Findings indicate that, when given to address a confirmed deficiency, Acfol was observed in studies evaluating its use for populations experiencing low folate levels.

Research describes how the physiological strain related to the deficiency was monitored, and studies reported how symptoms evolved in the observed populations. It is important to remember that these results apply only to the populations studied.


What is Still Uncertain About Acfol

Despite the available evidence, certain aspects of Acfol's use still require further research. A primary research limitation is that comparative evidence is lacking between Acfol and other forms or doses of folate supplementation. Results apply only to the populations studied, and findings were mixed in some trials regarding certain other health outcomes that may be linked to folate status. The precise impact on long-term outcomes related to inflammatory or irritative states is still uncertain.

Key Studies & References

  1. Folic Acid Tablet, USP Labeling (DailyMed / NIH)

Frequently Asked Questions (FAQ)

Common questions about Acfol (FAQ)

Q: Is Acfol a vitamin, a drug, or a supplement?

A: Acfol contains Folic Acid, which is chemically classified as a extbfB-complex vitamin ( Vitamin B9). When used as a pharmaceutical preparation to prevent or treat a medical deficiency, regulatory bodies categorize it as a extbfdrug or extbfantianemic agent. It is commonly available both as a medicine and as a dietary extbfsupplement.

Q: Why is Acfol prescribed for purposes other than deficiency?

A: Official prescribing information indicates that a key use is extbfprophylaxis, or prevention, particularly for reducing the risk of extbfNeural Tube Defects (NTDs) when taken around conception. It is also used to prevent deficiency in people with chronic conditions that increase folate loss, such as those undergoing extbfrenal dialysis.

Q: Are the side effects of Acfol generally considered mild?

A: According to official product information, adverse effects are generally considered extbfrare. These usually involve mild reactions like skin rashes or itching. However, regulatory documents also list extbfanaphylactic reactions as a rare, serious event. The full safety information provides necessary context for these events.

Q: Are there any long-term side effects or risks associated with Acfol?

A: The most significant regulatory caution regarding long-term use is the risk of extbfmasking a Vitamin B12 extbf deficiency. Taking Acfol alone under this condition may allow extbfirreversible neurological damage to continue while the blood symptoms appear resolved. Because of this risk, official prescribing information sometimes recommends Vitamin B12 testing, especially for older adults.

Q: Is Acfol appropriate for all age groups?

A: Official documents confirm that the use of Folic Acid is extbfpermitted and established across all age groups, including extbfinfants, children, adults, and older adults. The appropriate amount and duration of use are specifically determined based on the age of the patient and the medical reason for taking it.

Q: Is Acfol safe for older adults?

A: The use of Acfol is extbfpermitted in older adults. Official prescribing information notes that if long-term therapy is planned, precautions are sometimes necessary, such as screening for underlying Vitamin B12 deficiency. This is done to ensure an underlying deficiency is not present before starting treatment.

Q: What is the general research consensus on the safety profile of Acfol?

A: Research and regulatory documents describe Folic Acid as having a generally extbflow toxicity profile for both short-term and chronic use. The primary safety concern is its extbfconditional exclusion for use alone in cases of undiagnosed megaloblastic anemia, as this could prevent the detection of related Vitamin B12 deficiency and its potential neurological consequences.

Q: Why do some people experience a change in urine color while taking Acfol?

A: This common occurrence is a direct result of Folic Acid being a extbfwater-soluble vitamin. Any amount the body does not use is rapidly absorbed and then extbfexcreted unchanged in the urine. This process can cause the urine to appear bright yellow or orange, which is generally considered a harmless, expected outcome documented in official information.

Q: Can Acfol be taken with general daily vitamins or supplements?

A: Regulatory documents note the need for caution because many extbfvitamin and mineral supplements already contain Folic Acid, increasing the potential for high intake. Official information also notes that Folic Acid may affect the function of extbfzinc in the body, which is a common supplement ingredient.

Q: Are there any specific foods that should be avoided when taking Acfol?

A: Official interaction profiles focus on the impact of extbfchronic or excessive alcohol consumption. This is documented to extbfimpair the absorption of Folic Acid and increase its excretion, which could diminish the medicine’s overall effectiveness.

Q: How are potential drug interactions with Acfol usually managed?

A: Official guidelines for managing known interactions describe two main methods. These include mandated extbftiming separation between doses of Acfol and the interacting medicine (such as antacids). For other interacting drugs, management may involve extbfdose adjustments or enhanced monitoring, as documented in prescribing information.

Q: Can certain herbal supplements affect how Acfol works?

A: Official guidance states that professional oversight is advised when combining Acfol with extbfherbal remedies. This is due to the potential for interactions, such as those noted in official documentation with supplements containing extbfzinc.

Q: Is there a generic version of Acfol available?

A: Acfol is a extbfbrand name used for a pharmaceutical product. The active ingredient is known by its extbfgeneric name, Folic Acid, which is widely manufactured and available globally.

Q: What is the difference between Acfol and standard folic acid?

A: extbfFolic acid is the stable, synthetic form of the B vitamin, which is documented to have extbfhigher bioavailability than the natural folate found in foods. extbfAcfol is the extbfbrand name given to a pharmaceutical preparation containing Folic Acid as its single active ingredient.

Q: What is the typical timeframe to notice effects from Acfol?

A: Official pharmacokinetic information shows Folic Acid is extbfrapidly absorbed from the small intestine, with levels appearing in the blood plasma within extbf15 to 30 minutes after administration. In cases of deficiency, symptomatic improvement may begin quickly, potentially within the first extbf24 hours, though the complete correction requires the full prescribed treatment duration.

Q: Does Acfol interact with common over-the-counter pain relievers?

A: Folic Acid can generally be taken with common over-the-counter pain relievers like extbfparacetamol. However, regulatory documents note that if a patient is taking the anti-folate drug Methotrexate, the use of extbfNSAIDs such as ibuprofen or aspirin is a matter of documented caution.

Q: What types of medications can interact with Acfol?

A: Regulatory documentation classifies several types of medications that can interact. These include certain extbfantiepileptic drugs, extbfantifolate agents (used in chemotherapy or anti-malaria treatment), extbfantacids that contain aluminum or magnesium, and specific extbfantibiotics.

Q: Is it necessary to separate the intake of Acfol from other medications?

A: Official guidelines indicate that timing separation is extbfmandated in official documents for certain medications to prevent reduced absorption. Specifically, extbfindigestion remedies (antacids containing aluminum or magnesium) should be taken at least extbftwo hours apart from Acfol.

Q: Can people with kidney issues take Acfol?

A: Official product information indicates that Folic Acid is extbfindicated for the prevention of folate deficiency in some patients undergoing extbfrenal dialysis. This use demonstrates that the medicine is considered appropriate and sometimes essential for this population.

Q: What happens if too much Acfol is taken?

A: Regulatory documents report that Folic Acid has a extbflow toxicity profile in cases of acute overdosage. Official information states that there is generally extbfno specific medical procedure or antidote required for acute overdosage.

Q: How does Acfol differ from simply getting more through diet?

A: Folic acid (the synthetic active ingredient in Acfol) is documented to have extbfhigher bioavailability and greater stability compared to the natural folates found in food. Furthermore, patients with extbfmalabsorption issues who struggle to absorb food folates are often extbfable to absorb the folic acid found in Acfol.

Q: Why might Acfol be prescribed for men?

A: Folic Acid is officially indicated to treat or prevent extbffolate deficiency anemia, a condition that affects both men and women. It is also used to mitigate potential extbftoxicity caused by certain medications, such as extbfmethotrexate, which is prescribed for various autoimmune diseases and is not gender-specific.

Q: Does Acfol work immediately upon absorption?

A: Official pharmacokinetic information states that Folic Acid is extbfrapidly absorbed after being swallowed. Levels of the medicine can be detected in the blood plasma approximately extbf15 to 30 minutes following an oral dose.

Q: Is Acfol a slow-acting medicine?

A: While the medicine itself is extbfrapidly absorbed and quickly appears in the blood plasma, the condition being treated often requires a prolonged duration of therapy. Therefore, the overall process of correcting a deficiency or achieving the full therapeutic goal takes time, which is why a prolonged treatment duration (e.g., several months) may be prescribed.

How should Acfol be stored and disposed of?

Storage Conditions

Acfol (Folic Acid) tablets must be stored at Controlled Room Temperature, specifically between 20 C and 25 C. It is mandatory to protect the medication from light and moisture and to avoid excessive heat. Regulatory documents explicitly state do not freeze the product.

For container requirements, the medicine must be kept in its original container and maintained with a tightly closed, child-resistant closure to preserve stability and ensure safety.

Handling and Disposal

It is required to keep Acfol out of the sight and reach of children.

Regarding disposal, unused or expired Acfol must be managed according to local regulations. Official guidance states that the medicine must not be discarded via wastewater or household waste to protect the environment. Consult a pharmacist or local disposal center for proper collection procedures.

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

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