Algofen

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Algofen

Algofen: A Quick Overview of Its Identity and Therapeutic Role

Property Description
Active Ingredient Ibuprofen
Form Coated Oral Tablets and Suspensions
Pharmacological Class Non-Steroidal Anti-Inflammatory Drug (NSAID)
Common Use Symptomatic relief of pain, fever, and inflammation
Origin Synthetic Compound

Algofen is a specific over-the-counter (OTC) brand of medication containing the established active pharmaceutical ingredient (API) ibuprofen. Its identity is rooted in its pharmacological classification as a Non-Steroidal Anti-Inflammatory Drug (NSAID), a group of medicines clinically recognized for their capacity to manage pain and reduce inflammatory processes.

Its therapeutic efficacy in reducing fever and managing mild to moderate pain is recognized in pharmacological contexts. The most common forms, such as coated tablets and liquid suspensions, are designed for oral administration and rapid systemic absorption.


What Type of Medicine is Algofen and What is its Composition?

The active compound, ibuprofen, is a derivative of propionic acid and is a purely synthetic compound. Algofen contains ibuprofen as its sole active ingredient and is positioned as a choice for general symptomatic pain management in several markets.

The mechanism of NSAIDs provides both analgesic (pain-relieving) and anti-inflammatory effects. This chemical composition focuses on providing reliable access to the well-known NSAID benefits of ibuprofen.


For What General Conditions is Algofen Used?

The overarching purpose of Algofen is to provide symptomatic relief by effectively addressing the triad of discomfort: analgesia (reducing pain), antipyresis (fever reduction), and anti-inflammation (reduction of swelling).

Patients generally rely on Algofen for the temporary easing of various forms of mild to moderate discomfort, such as headaches, muscle aches, or fever associated with common illnesses. The medicine is focused on improving comfort by mitigating these temporary physical symptoms.

Regulatory References

  1. Ibuprofen - StatPearls - NCBI Bookshelf
  2. Ibuprofen- and dexibuprofen-containing medicines - referral

What side effects are possible with Algofen?

Possible Side Effects and Safety Information

This section summarizes the adverse reactions and safety restrictions associated with Algofen as documented in official government regulatory sources.

Serious and Clinically Significant Risks

Regulatory documents emphasize two major, potentially fatal risks associated with this medicine:

  • Serious Cardiovascular Thrombotic Events: An increased risk of serious, potentially fatal cardiovascular events, including myocardial infarction (heart attack) and stroke, is documented. This risk may increase with prolonged use and higher dosages.
  • Serious Gastrointestinal (GI) Events: The medicine is associated with a risk of serious, sometimes fatal, GI adverse events, such as bleeding, ulceration, and perforation of the stomach or intestines. This risk is also noted to increase with dose and duration of use.

Adverse Reactions

Adverse reactions commonly reported in regulatory documents include gastrointestinal complaints such as nausea, upset stomach, and abdominal pain.

Less frequent, but serious, reactions documented include severe allergic reactions (anaphylaxis) and severe skin reactions like Stevens-Johnson Syndrome (SJS), Toxic Epidermal Necrolysis (TEN), and Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS).

Safety Restrictions and Contraindications

Official safety profiles include specific restrictions based on clinical condition and population:

  • Cardiovascular Restrictions: The medicine is contraindicated for the treatment of pain in the setting of coronary artery bypass graft (CABG) surgery.
  • Pregnancy: It is restricted during the third trimester of pregnancy due to the risk of premature closure of the fetal ductus arteriosus.
  • Other Conditions: It is contraindicated in individuals with a known history of hypersensitivity (e.g., aspirin-sensitive asthma) to the drug or other NSAIDs, or active recurrent peptic ulcer/hemorrhage.

Elderly patients are noted to have a greater risk for serious GI adverse reactions. The medicine may also cause fluid retention and can mask signs of infection, such as fever.

Overdose and Emergency Response

The official regulatory documents state that an overdose of Algofen (ibuprofen) may present with a documented spectrum of clinical manifestations. These commonly include gastrointestinal disturbances such as nausea, vomiting, abdominal pain, and diarrhea. Central Nervous System (CNS) effects are also recognized, ranging from drowsiness and lethargy to confusion and, in severe cases, profound coma or convulsions. Sensory effects like tinnitus (ringing in the ears) are also noted in official labeling.

Overdose is classified as having a liability for serious and life-threatening outcomes, specifically gastrointestinal bleeding, acute renal failure, and cardiovascular collapse (hypotension). Regulators mandate that immediate medical attention must be sought if an overdose is suspected, and that a Poison Control Center should be contacted right away. This action is required even if the person appears well initially.

The regulatory management framework for Algofen overdose states that treatment is primarily symptomatic and supportive, with interventions such as administration of activated charcoal being listed. Critically, no specific antidote is known for acute NSAID toxicity. Observation and monitoring of vital signs and laboratory values are required in a medical setting. Population-specific warnings note that elderly patients face a greater risk of severe gastrointestinal complications.

Therapeutic Uses of Algofen

What Algofen Treats: Main Uses and Benefits

Algofen plays a role in managing symptoms related to physical discomfort: pain, fever, and inflammation. It is commonly used in situations involving symptomatic distress to help ease the overall burden of acute and chronic manifestations. Its uses span several key therapeutic areas.

The medication is applied in contexts where temporary relief from mild to moderate pain is appropriate, such as tension headaches, dental pain, muscle aches, or backaches. It is also relevant for easing cyclical pain like menstrual cramps (primary dysmenorrhea), and for providing symptomatic assistance during flare-ups of chronic rheumatic conditions. These uses align with its role in addressing clusters of symptoms that interfere with daily comfort.

Specific therapeutic areas include symptomatic management of systemic fever associated with common acute illnesses. It is applied in addressing localized inflammatory signs such as swelling and stiffness linked to minor injuries (sprains, strains), and may be part of symptomatic management for joint discomfort in conditions like osteoarthritis and rheumatoid arthritis.


“Algofen is relevant for easing symptoms that become more noticeable, supporting the patient during difficult episodes by easing distress.”

Relevance to: Joint and Muscle Discomfort Algofen is relevant for easing symptoms related to inflammatory or irritative states affecting musculoskeletal comfort.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Eligibility Profile: Who Can and Cannot Use Algofen?

The official regulatory eligibility for Algofen (Ibuprofen) is structured by specific contraindications and population restrictions based on age and pre-existing medical status. Only individuals without the absolute contraindications listed below should use this medicine.


Contraindicated Populations (Must Not Use)

Classification Populations and Conditions
Hypersensitivity Patients with known allergy (asthma, urticaria, allergic-type reactions) to ibuprofen or any other Nonsteroidal Anti-inflammatory Drug (NSAID), including aspirin.
Severe Organ Impairment Individuals with severe heart failure (NYHA Class IV), severe renal failure, or severe hepatic failure.
Gastrointestinal Risk Patients with active or history of recurrent peptic ulceration or gastrointestinal bleeding/perforation related to prior NSAID therapy.
Cardiovascular Surgery Use is strictly prohibited right before or after Coronary Artery Bypass Graft (CABG) surgery.
Pregnancy Women in the third trimester of pregnancy (after 28 weeks gestation).

Restricted/Conditional Use

Classification Eligibility Rules/Restrictions
Age Restriction Not for use in children typically under 12 years of age for oral tablet formulations. Elderly patients (aged 60 and over) should use caution and the lowest effective dose due to increased risk of serious adverse effects.
Cardiovascular Risk Use is not recommended or requires careful assessment in patients with established cardiovascular disease, such as certain classes of heart failure, uncontrolled hypertension, or a history of stroke.
Pregnancy Status Avoided from 20 weeks gestation onwards unless advised by a healthcare professional. Use during the first and second trimesters is not recommended unless clearly necessary.

These official regulatory statements define the strict boundaries of who can and cannot initiate treatment, ensuring patients with a known risk of life-threatening complications are excluded from use.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Algofen (Ibuprofen) interacts with various medicines and substances, primarily affecting the clearance of co-administered drugs and increasing the risk of adverse events due to combined pharmacodynamic effects. All interaction information is aligned with official regulatory labeling.


Official Regulatory Restrictions

Classification Constraint
Contraindicated Combinations Co-administration with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) and use for peri-operative pain in Coronary Artery Bypass Graft (CABG) surgery are formally prohibited.
Timing Requirements A dose separation of at least 8 hours before or 30 minutes after a dose of non-enteric coated, low-dose Aspirin is required to mitigate interference with antiplatelet effects.

Documented Pharmacokinetic Outcomes

Algofen has been shown to reduce the renal clearance of certain medicines, resulting in increased plasma concentrations. This applies to substances such as Lithium and Methotrexate, which necessitates careful monitoring as described in official prescribing information. In contrast, administration with food is documented to reduce the maximum plasma concentration and delay absorption.


Pharmacodynamic Effects

Co-administration with anticoagulants, corticosteroids, or Selective Serotonin Re-uptake Inhibitors (SSRIs) significantly increases the documented risk of serious gastrointestinal bleeding. Furthermore, Algofen may reduce the antihypertensive effect of medicines like ACE inhibitors and diuretics, counteracting their intended therapeutic outcome. Excessive alcohol consumption is also noted to increase the risk of GI tract adverse effects.

Mechanism of Action

How Algofen Works

Algofen (Ibuprofen) operates by engaging specific biological mechanisms that modulate pathways involved in nociceptive signaling and inflammatory responses, primarily through enzyme inhibition. Its action is divided into a foundational molecular block and the resulting dual physiological cascade.


Molecular Blockade of Prostaglandin Synthesis

The core mechanism involves the reversible, non-selective inhibition of the Cyclooxygenase (COX) enzyme system, targeting both COX-1 and COX-2 isoforms. By competing with arachidonic acid for the enzyme's active site, Algofen suppresses the molecular cascade that generates prostaglandins, which are key mediators of nociceptor sensitization and hypothalamic set-point elevation.


⬇️ Dual Central and Peripheral Physiological Modulation

This molecular blockade results in a dual physiological action. Peripherally, the reduction in prostaglandin levels at injured tissue causes the decreased sensitization of nociceptors (pain receptors). Centrally, the same inhibitory mechanism acts on the hypothalamus to induce the downward adjustment of the elevated temperature set-point. These combined actions modulate the physiological response mediated by prostaglandin activity.

Dosage and Administration Information

Administration Guidelines for Algofen

Algofen, containing the active ingredient ibuprofen, is administered according to specific principles and constraints. The primary routes are oral (tablets, caplets, and suspension) and intravenous (IV) in professional settings.

Use Parameter Standard Instruction
Standard Adult Dose (OTC) 200 mg to 400 mg per single dose.
Maximum Daily Dose (OTC) Do not exceed 1200 mg in 24 hours without a physician's guidance.
Frequency Repeat dose every 4 to 6 hours as necessary while symptoms persist.
Course Duration Limit Do not use for pain for more than 10 days or for fever for more than 3 days without consulting a physician.

Procedural and Contextual Instructions

Dosing Principle: The general approach involves using the lowest effective dosage for the shortest duration consistent with treatment goals.

Administration Timing: The medication may be taken with food or milk if stomach upset is a concern, as this minimizes gastric discomfort without significantly reducing the overall amount of medicine absorbed.

Liquid Forms: Oral suspension must be shaken well before each use, and only the measuring device provided should be used for accurate dosing.

Special Constraints: Do not take Algofen concurrently with any other product containing ibuprofen or similar pain relievers unless specifically directed by a health professional. Pediatric dosing for children under 12 must follow specific weight-to-dose charts and should be managed with consultation.

Recent Clinical Evidence

Mechanism of Action Studies

Initial research focused on the drug's interaction with the COX-2 enzyme. Studies have investigated the potential for this research to modulate pain and inflammation. Research explored the reported gastrointestinal side effect profiles relative to non-selective Non-Steroidal Anti-Inflammatory Drugs (NSAIDs).


Clinical Evaluation in Pain

Clinical trials have evaluated the drug across acute and chronic pain settings:

  • Acute Pain: Initial trials evaluated the self-reported pain scores following administration. Studies in post-operative dental settings assessed the magnitude and duration of reported pain relief compared to placebo.
  • Chronic Pain: A study focusing on chronic osteoarthritis evaluated primary and secondary endpoints including joint tenderness and mobility scores over six months. Furthermore, studies investigated the drug's use over a short duration following orthopedic surgery.

Safety and Tolerability Research

Findings concerning potential cardiovascular risk were derived from large-scale observational studies and meta-analyses. The body of reviewed evidence did not include long-term safety assessments.

Gastrointestinal Tolerability and Combination Formulations

A combined formulation, which includes a proton pump inhibitor (PPI), was studied to assess gastric tolerability. The studies investigated differences in reported GI upset when the drug was co-administered with food. Research also evaluated the reported side effect profiles and outcomes of the drug in relation to older NSAIDs, examining differences in side effect rates and reported pain outcomes between various treatment groups.

Key Studies & References

  1. Systematic review of the analgesic efficacy and tolerability of COX-2 inhibitors in post-operative pain control
  2. COX-2–selective inhibitors in the treatment of arthritis - Cleveland Clinic Journal of Medicine (Review on Efficacy in OA/RA)
  3. Cyclooxygenase-2–selective inhibitors in the management of acute and perioperative pain
  4. NSAIDs in TJA - Clinical Practice Guideline (AAHKS Guideline on COX-2 use in surgery)
  5. COX-2 Inhibitors: What They Are, Uses & Side Effects - Cleveland Clinic (General Authority Document)

Frequently Asked Questions (FAQ)

Common questions about Algofen (FAQ)

Q: What is Algofen used for?

Algofen is primarily used to relieve pain and reduce fever. It belongs to a class of medicines called nonsteroidal anti-inflammatory drugs (NSAIDs).

It is commonly used to manage mild to moderate pain from conditions such as:

  • Headaches
  • Dental pain
  • Menstrual cramps
  • Muscle aches
  • Back pain
  • The common cold or flu (to reduce fever)

Q: What is the main active ingredient in Algofen?

The main active ingredient in Algofen is ibuprofen.

Ibuprofen works by blocking the body's production of certain natural substances that cause inflammation, pain, and fever.

Q: How long does it take for Algofen to start working?

Algofen usually starts to work relatively quickly. For pain and fever relief, most people begin to feel the effects within 30 to 60 minutes after taking a dose.

For relief of swelling or inflammation (e.g., from arthritis), it may take longer, sometimes several days or up to two weeks of regular use, to feel the full benefit.

Q: Can Algofen be taken on an empty stomach?

While Algofen can be taken on an empty stomach, it is recommended to take it with food or milk.

Taking Algofen with food helps to prevent stomach upset and reduce the risk of irritation to the stomach lining, which is a common side effect of NSAIDs like ibuprofen.

Q: Is Algofen safe to take every day for a long time?

No, Algofen (ibuprofen) is generally not recommended for continuous, long-term use, especially at high doses, unless specifically advised and monitored by a healthcare professional.

Prolonged, daily use may increase the risk of serious side effects, including:

  • Stomach and intestinal problems (like ulcers or bleeding)
  • Kidney problems
  • Cardiovascular risks (such as heart attack or stroke)

For chronic pain management, you should consult with a healthcare professional to explore the safest long-term treatment options for you.

Q: What are the common side effects of Algofen?

Like all medicines, Algofen can cause side effects, though not everyone experiences them. The most common side effects are generally mild and involve the digestive system. These include:

  • Stomach pain or discomfort
  • Nausea
  • Vomiting
  • Heartburn
  • Gas or bloating

Less common but serious side effects that require immediate medical attention include signs of bleeding (like black or tarry stools), severe allergic reactions (difficulty breathing, swelling), or unexplained weight gain/swelling (fluid retention).

How should Algofen be stored and disposed of?

The official regulatory requirements for storing and disposing of Algofen (ibuprofen) focus on maintaining product integrity and ensuring public safety.

Storage Requirements

Condition Requirement
Temperature Store at Controlled Room Temperature (20 C to 25 C / 68 F to 77 F) [Source 1.1, 3.1]. Avoid excessive heat above 40 C [Source 1.2].
Protection Keep container tightly closed and protect the product from moisture and light [Source 1.1, 1.4].
Child Safety Keep out of reach and sight of children [Source 4.1, 4.5].

Disposal Instructions

Method Instruction
Priority Utilize a drug take-back location or mail-back envelope for unused or expired product [Source 2.1].
Household Trash If take-back is unavailable, mix the medicine with an undesirable substance (e.g., dirt, coffee grounds) and place the mixture in a sealable container before trashing [Source 2.1].
Prohibition Do not flush the medicine down the sink or toilet [Source 2.1]. All disposal must align with local environmental requirements [Source 3.1].

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

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