Pediafen

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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 Pediafen

Property Description
Active ingredient Ibuprofen
Form Oral suspension (pediatric liquid)
Pharmacological class Non-steroidal anti-inflammatory drug (NSAID)
Common purpose Relief from pain, fever, and inflammation
Origin Synthetic, propionic acid derivative

Pediafen: Defining the Medicinal Entity and Its Class

Pediafen is a brand-specific medicinal preparation formulated for the pediatric population. Its sole active component is Ibuprofen, a widely known synthetic compound that classifies the drug as a Non-steroidal anti-inflammatory drug (NSAID). Ibuprofen is included on the Model List of Essential Medicines, which confirms the substance's internationally recognized importance in basic healthcare. This classification places Pediafen in the broader categories of analgesic (pain-relieving) and antipyretic (fever-reducing) agents.

Composition and Form: What Pediafen Oral Suspension Is

Pediafen is typically manufactured as an oral suspension, a specialized liquid dosage form designed for convenient and accurate oral administration in young patients. This formulation is one of Pediafen's key differentiating factors, ensuring the medicine is easily palatable and simple for parents to administer to children who require liquid medication. The suspension consists of the active substance, Ibuprofen, finely dispersed within an aqueous vehicle that often contains specific flavorings suited to the pediatric target group. The effectiveness of Ibuprofen suspensions as an antipyretic agent in children is recognized in pharmacological contexts.

Core Function: The General Purpose of This NSAID

The primary function of Pediafen is to provide effective symptomatic relief by acting against fever, pain, and inflammation. As an NSAID, its therapeutic purpose is achieved by modulating the synthesis of prostaglandins, the chemical mediators responsible for generating pain signals and regulating fever. By interfering with the production of these key substances, the medication's general use is centered on making children more comfortable by addressing three core discomforts: pain, elevated fever, and general inflammation.

Regulatory References

  1. NIH StatPearls: Ibuprofen
  2. WHO Essential Medicines List

What side effects are possible with Pediafen?

Possible Side Effects and Safety Information

The safety profile for Pediafen, which contains Ibuprofen, is defined by official regulatory documents that classify potential adverse reactions based on the body system affected and the frequency of occurrence. These classifications are used by government authorities to formally communicate the medicine's risk characteristics.

Adverse Reaction Categories and Frequency

Adverse reactions are grouped into categories such as Common and Uncommon. The most frequently reported category of effects relates to Gastrointestinal Disorders, which may include experiences like dyspepsia, abdominal pain, nausea, and vomiting, and are typically classified as Common in regulatory profiles. Less frequent effects, often classified as Uncommon, may involve Nervous System Disorders (such as headache) and certain Hypersensitivity Reactions (like skin rashes).

Serious Adverse Reactions and Safety Constraints

Official labeling explicitly highlights the potential for Serious Adverse Reactions, which are typically classified as Rare or Very Rare. These include serious Gastrointestinal Events, such as bleeding, ulceration, and perforation. Use of Ibuprofen has also been associated with an increased risk of serious Cardiovascular Thrombotic Events, such as myocardial infarction and stroke, a risk formally noted in regulatory warnings.

Safety documents further define that the risk of certain serious effects may increase with the duration of use. Specific Population-Specific Safety Constraints exist, noting that older adults are recognized as having an increased frequency of serious gastrointestinal events. Furthermore, the medicine is contraindicated in individuals with active gastrointestinal bleeding or severe heart, hepatic, or renal failure.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose Scope: Documented Manifestations and Risk Factors

Official regulatory documents state that Ibuprofen overdose may initially present with manifestations across several physiological systems, including gastrointestinal disturbances (nausea, vomiting, abdominal pain), central nervous system effects (drowsiness, severe headache, confusion), and hypotension. More severe, life-threatening outcomes are documented, including acute renal failure, gastrointestinal perforation/bleeding, and profound CNS depression leading to convulsions or coma.

Regulators note that children exposed to doses over 400 mg/kg are categorized as a high-risk group. Higher risk is also noted for dehydrated children and adolescents, and in the elderly or those with a history of gastrointestinal issues.

Emergency Response and Official Management

Immediate medical attention is strictly mandated for a suspected overdose. Individuals must seek medical attention immediately or call the local emergency number if more than the recommended maximum dose is taken, even if feeling well. The official management strategy is symptomatic and supportive, as no specific antidote is known. Documented procedures may include the administration of activated charcoal and continuous monitoring of vital signs.

Therapeutic Uses of Pediafen

Pediafen is primarily used to provide supportive symptomatic relief across three universal therapeutic domains.

Symptom Relief and Therapeutic Benefit

The medication is applied in addressing elevated body temperature (fever) associated with conditions characterized by periods of acute or disruptive episodes, such as seasonal illnesses or post-immunization symptoms. This supportive symptomatic relief may assist with managing symptoms that create noticeable physiological strain.

The medication is relevant for easing symptoms related to physical discomfort, specifically addressing mild to moderate pain clusters like headache, toothache, earache, and sore throat pain. This benefit is commonly used when symptoms interfere with daily comfort, and it may assist with managing symptoms that interfere with daily functioning during acute episodes where short-term symptomatic assistance is needed.

Pediafen is used for managing symptoms related to inflammatory or irritative states, such as localized swelling, tenderness, and stiffness. This supportive therapeutic benefit is applied in situations involving acute or temporary symptoms related to physical strain and for the consistent symptomatic management of chronic inflammatory conditions, such as Juvenile Idiopathic Arthritis (JIA). This contributes to easing the overall symptom load and helps support general well-being during symptomatic phases.

Quick Fact: Relief for Pain, Fever, and Inflammation Pediafen is relevant across therapeutic domains involving heightened physiological activity, helping to ease the overall symptom load in conditions characterized by periods of acute or fluctuating manifestations.

Eligibility and Restrictions for Use

The eligibility profile for Pediafen, an ibuprofen-containing medicine, is determined by official regulatory documents detailing strict exclusions and conditions for use.

Populations for Whom Use is Contraindicated

Use is prohibited for patients with:

  • Known Hypersensitivity to ibuprofen, aspirin, other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), or any of the product's excipients.
  • Active or Recurrent Gastrointestinal Bleeding or peptic ulceration, or a history of GI bleeding related to prior NSAID therapy.
  • Severe Organ Failure, including severe heart failure (NYHA Class IV), severe renal failure, or severe hepatic failure.
  • Active Bleeding (e.g., cerebrovascular or gastrointestinal) or unexplained disorders of blood formation.
  • Pregnancy during the third trimester.
  • Peri-operative pain in the setting of Coronary Artery Bypass Graft (CABG) surgery (NSAID class restriction).

Age-Related and Conditional Use Rules

  • Pediatric Population: Generally eligible for infants 6 months of age and older (or 5 kg body weight) using the appropriate suspension formulation. Use in infants under 6 months is often not established. Adult formulations are not intended for children under 12 years.
  • Elderly: Use requires caution due to a higher risk of serious adverse reactions, particularly gastrointestinal bleeding; the lowest effective dose must be used.
  • Conditional Eligibility: Patients with pre-existing conditions like mild to moderate renal or hepatic impairment, uncontrolled hypertension, or mild-to-moderate congestive heart failure (NYHA Class II-III) are eligible but require special medical consideration and careful monitoring. The medicine should be used with caution in dehydrated patients due to the risk of renal impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Pediafen (Ibuprofen) identifies significant interactions based on pharmacokinetic (PK) and pharmacodynamic (PD) mechanisms documented in labeling.

Contraindicated and Restricted Combinations

Co-administration with other Non-steroidal Anti-inflammatory Drugs (NSAIDs) is strictly restricted due to the documented increased risk of gastrointestinal (GI) ulceration and bleeding. Ibuprofen is officially contraindicated for use in the peri-operative setting of Coronary Artery Bypass Graft (CABG) surgery, and with daily doses of Aspirin greater than 75 mg.

Exposure and Risk Alteration

Ibuprofen's interaction with several medicines alters plasma concentration. The drug is documented to reduce the renal clearance of substances such as Lithium and Methotrexate, which results in elevated plasma levels and the potential for toxicity. Furthermore, co-administration with CYP2C9 inhibitors (like Fluconazole) increases Ibuprofen's systemic exposure.

Additive Risk and Timing Rules

Pharmacodynamic interactions involve an additive risk of serious GI bleeding when Ibuprofen is combined with Oral Corticosteroids, Anticoagulants (e.g., Warfarin), Anti-platelet agents, SSRIs, or Alcohol. Additionally, Ibuprofen may inhibit the anti-platelet effect of low-dose Aspirin. To manage this potential antagonism, a timing rule is mandatory: Ibuprofen must be administered at least 8 hours before or 30 minutes after low-dose Aspirin. Interactions are also documented to reduce the anti-hypertensive effect of Diuretics and ACE Inhibitors.

Mechanism of Action

Core Mechanism: Enzyme Inhibition

Pediafen primarily acts within the eicosanoid pathway by targeting the Cyclooxygenase (COX) enzyme system. It functions as a non-selective inhibitor of the COX-1 and COX-2 isoforms. These enzymes are responsible for converting arachidonic acid into prostanoids and other signaling molecules involved in local vascular and neuronal activation. This targeted interference modifies early molecular steps that shape systemic physiological outcomes.


Modulating Humoral and Neural Signals

By limiting the synthesis of prostaglandins, Pediafen dampens excessive signaling within the affected physiological pathways. This results in a reduction of the overactive physiological responses, specifically the enhanced sensitivity of peripheral nociceptors and the elevation of the body's hypothalamic temperature set-point. This mechanistic cascade contributes to a more regulated state within the targeted pathways, contributing to the physiological consequences observed through pathway modulation.

Dosage and Administration Information

How to Use Pediafen (Ibuprofen Oral Suspension)

The administration of Pediafen, an ibuprofen oral suspension, relies on precise adherence to weight-based dosing and scheduling. The route of administration is oral only. Before use, the bottle must be shaken well to ensure the suspension is uniform. Dosing must be measured using the dedicated device (e.g., dosing cup or oral syringe) provided with the product; household spoons are not considered accurate measurement tools.

Official Dosing and Schedule

Official dosing is based on the child's weight in kilograms or pounds, which corresponds to the dose in milliliters (mL). The general single-dose range for fever and pain is typically 5 mg/kg to 10 mg/kg of body weight. The medicine may be repeated every six to eight hours as needed, but the total daily dose must not exceed the maximum limit of 40 mg/kg. Administration can occur with food or milk to help reduce the risk of stomach irritation.

Age Group Standard Instruction
Infants under 6 months Not for use unless directed by a physician.
Children 6 months and older Dose based on weight (or age if weight is unknown) using the dosing chart.
Missed Dose Administer the dose as soon as it is remembered. Skip the dose if the next scheduled time is near; do not administer a double dose.

For short-term treatment of common symptoms, the duration of use should not exceed three days unless directed by a healthcare professional.

Recent Clinical Evidence

Pediafen: Recent Clinical Evidence

The research for Pediafen, an ibuprofen-based liquid medicine, focuses on how this compound was evaluated in trials related to common childhood symptoms. The evidence base primarily consists of many Randomized Controlled Trials (RCTs) and meta-analyses, which observe large-scale patterns and are documented in official regulatory summaries.

Evidence for Relief of Fever Symptoms (Antipyresis)

Research exploring short-term symptom changes in relation to fever was evaluated in numerous clinical trials. Large-scale RCTs monitored specific outcomes like the change in body temperature and the time subjects spent at normal temperatures. Findings describe patterns observed over short periods, typically 4 to 24 hours after administration. Comparative research examined this agent against other compounds studied for fever. Data for infants under six months of age remains insufficient in some cohorts, and research notes that study results reflect the specific conditions under which they were conducted.

Evidence for Acute Mild-to-Moderate Pain

Research related to acute pain, such as headache, toothache, or earache, was observed in systematic reviews summarizing many RCTs. Studies explored how patient-reported outcomes describing perceived discomfort were measured using specific scales. Findings indicate patterns in pain score changes over defined intervals, generally up to 24 hours. However, studies often used a variety of different pain scales, which complicates the comparison of results across different trials, and data for the very short-term (under four hours) is less consistently reported.

Evidence for Symptoms of Chronic Inflammation (e.g., JIA)

This medicine was studied for use in chronic conditions characterized by fluctuating manifestations, such as Juvenile Idiopathic Arthritis (JIA). Evidence includes older RCTs and long-term observational settings evaluating outcomes reflecting daily functioning or activity level. Reports from regulatory sources describe that this evidence contributes to the broader landscape but often reflects trials that pre-date current, modern trial standards. Consequently, certainty remains low when judged by contemporary methodological standards.

Research Gaps and Uncertainty

Most research focuses on short-term outcomes (4 to 24 hours). While studies were evaluated in diverse pediatric subgroups, including infants from three months upward, data for certain very young groups remain insufficient. Long-term effects regarding the durability of observed symptom patterns with continuous use are not fully established in comprehensive trials outside of specific long-term observational monitoring.

Key Studies & References

  1. WHO Model List of Essential Medicines - 23rd List (2023) - (Used for standard formulation/indication baseline)

Frequently Asked Questions (FAQ)

Common questions about Pediafen (FAQ)


Q: Can Pediafen be taken on an empty stomach?

Official product information suggests taking Pediafen with food or milk if stomach upset occurs. However, the regulatory label does not strictly prohibit administration on an empty stomach.

Q: Can Pediafen be given to infants under 6 months old?

Official instructions state that Pediafen is generally intended for children aged 6 months and older. Use in this age group requires consulting a healthcare professional, as appropriate dosing is not established.

Q: What are the most common side effects?

According to official regulatory documents, the most frequently reported side effects are related to Gastrointestinal Disorders. These common experiences include symptoms such as abdominal pain, nausea, vomiting, and dyspepsia (indigestion).

Q: What is the maximum daily dose for Pediafen?

The regulatory directions for Pediafen advise against administering more than 4 doses in a 24-hour period.

Q: What happens if I accidentally give my child too much Pediafen (overdose)?

Official safety information for Pediafen indicates that, in the event of an overdose, emergency medical attention, such as contacting a Poison Control Center, should be sought immediately. Symptoms of overdose may include headache, stomach pain, blurred vision, or ringing in the ears.

Q: After how long does Pediafen start to relieve fever or pain?

Studies and official information indicate that the active ingredient in Pediafen is rapidly absorbed into the body after being taken by mouth. The maximum concentrations of the drug in the bloodstream are generally reached within one to two hours after administration.

Q: Can I give Pediafen at the same time as an antibiotic?

The official label for Pediafen advises consulting a doctor or pharmacist before use if the child is taking any other drug, including prescription and over-the-counter medicines.

Q: What should I look out for if my child is having a serious side effect?

Regulatory documents state that use should be stopped and a doctor consulted if specific signs of serious problems are observed. These include symptoms of internal bleeding, such as bloody or black stools and vomiting blood, or symptoms of a heart problem, like chest pain or slurred speech.

How should Pediafen be stored and disposed of?

How to Store and Dispose of Pediafen?

The storage and disposal of Pediafen (Ibuprofen oral suspension) must strictly follow the requirements documented in its official regulatory labeling to ensure product stability and environmental safety.

Storage Requirements

The medicine must be stored at a temperature not exceeding 25°C and must remain in its original container. The most critical child-safety requirement is to ensure the product is kept out of the sight and reach of children at all times.

Stability

After the bottle has been opened for the first time, the product is stable and should be used within six months.

Disposal Instructions

Official labeling requires the disposal of any unused or expired Pediafen to be carried out according to local regulations. The medicine must not be thrown into wastewater or standard household waste to prevent active ingredients from contaminating the environment.

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

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