Inflax

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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 Inflax

Quick Facts

Property Description
Active ingredient Piroxicam
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
Origin Synthetic
Common use Relief of pain and inflammation
Dosage Forms Capsule, Tablet, Topical Gel

What Kind of Medicine is Inflax and What is its Composition?

Inflax is a prescription-only pharmaceutical agent containing the active ingredient Piroxicam, a substance clinically recognized for its efficacy and formally classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). This places it among a group of medicines utilized for their capacity to provide analgesic (pain-relieving) and anti-inflammatory effects. Piroxicam is a synthetic compound that belongs to the oxicam family of enolic acids, which distinguishes its chemical structure from many other common NSAIDs. Piroxicam's anti-inflammatory properties are well-established for its therapeutic uses. As a single active ingredient product, Inflax is supplied in several pharmaceutical preparations, including the established oral dosage forms like the capsule and tablet, and is also formulated as a topical gel.

What is the General Purpose of Piroxicam?

The general purpose of the active substance, Piroxicam, is to control and reduce the underlying processes of pain and inflammation that accompany various musculoskeletal conditions. Its therapeutic effect stems from its ability to intervene in the body's inflammatory cascade, thereby mitigating symptoms such as swelling and localized discomfort. Oxicam derivatives are characterized by a sustained action. This substance maintains stable therapeutic concentrations with less frequent dosing than many other similar agents. This makes Piroxicam particularly useful in situations requiring sustained therapeutic effect, contrasting with shorter-acting analgesics.

Regulatory References

  1. MedlinePlus Drug Information

What side effects are possible with Inflax?

Possible Side Effects and Safety Information

Inflax belongs to the fluoroquinolone class of antibiotics, which is associated with official regulatory warnings regarding disabling and potentially permanent serious adverse reactions. Regulatory authorities require a Boxed Warning on the labeling to highlight these significant safety concerns.

Serious and Clinically Significant Adverse Reactions

The most serious documented side effects involve the musculoskeletal system (tendons, muscles, joints) and the nervous system (peripheral and central). These include:

  • Tendinitis and Tendon Rupture: A severe risk that may occur during or after treatment, particularly affecting the Achilles tendon.
  • Peripheral Neuropathy: Nerve damage outside the brain and spinal cord, which can manifest as numbness, tingling, or a burning sensation, and may be permanent.
  • Central Nervous System Effects: A range of reactions including anxiety, depression, insomnia, confusion, hallucinations, and psychotic reactions.
  • Worsening of Myasthenia Gravis: Can exacerbate muscle weakness in individuals with this pre-existing condition.

Other serious risks include aortic aneurysm or dissection, Clostridium difficile-associated diarrhea (CDAD), hypoglycemia (low blood sugar) that can lead to coma, hypersensitivity reactions, and QT interval prolongation (an abnormal heart rhythm). These serious effects can develop rapidly, often within hours to weeks of initiating the medicine.

Common Adverse Reactions

Reported common side effects typically include gastrointestinal issues such as nausea and diarrhea, as well as headache, lightheadedness, dizziness, and difficulty sleeping.

Regulatory Limitations on Use

Due to the risk of disabling side effects, the use of Inflax (and its drug class) is restricted by regulatory bodies. It is advised to avoid using this medication for certain uncomplicated bacterial infections, such as acute bacterial sinusitis, acute bronchitis, and uncomplicated urinary tract infections, when other treatment options are available. The serious risks associated with the medicine must be carefully weighed against the benefits for each patient.

Overdose and Emergency Response

Inflax Overdose and when to seek help

The overdose profile for this entity is derived from official government regulatory warnings concerning a product marketed as "Infla-650," which was found to contain undeclared active pharmaceutical ingredients. These hidden substances—acetaminophen, diclofenac, and phenylbutazone—pose a serious health threat due to the risk of unintentional overdose and severe adverse events.


Overdose Presentations and Scope
Documented Manifestations: Unintentional acetaminophen overdose may cause liver damage (hepatotoxicity), acute liver failure, and death. Diclofenac may increase the risk of cardiovascular events (heart attack, stroke) and serious gastrointestinal damage (bleeding, fatal perforation). Phenylbutazone, a drug discontinued for human use in the U.S., is associated with the risk of bone marrow toxicity.
Population-Specific Note: Patients with pre-existing anemia or low blood cell counts face a greater risk of serious injury or death from phenylbutazone exposure.

Emergency Action
When Immediate Medical Help is Required: Individuals who have taken the product must seek prompt medical attention. Liver damage symptoms from acetaminophen overdose can be delayed for several days, even in severe, life-threatening cases, preventing timely intervention. Any suspected exposure necessitates urgent medical evaluation due to the severity of the documented risks.

Therapeutic Uses of Inflax

What Inflax Treats: Main Uses and Benefits

Inflax is commonly used to provide support for symptoms related to chronic inflammatory joint conditions, including rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis. The medication is relevant for addressing the symptom clusters that may create noticeable physiological strain, such as persistent joint pain, accompanying swelling, and discomfort related to joint stiffness. Its role is generally to assist with maintaining functional stability and contributing to improved comfort during periods of heightened symptoms.

The medication is also relevant in clinical settings marked by conditions characterized by periods of heightened symptoms and intense pain, such as flares of acute gouty arthritis, sudden episodes of acute low-back pain, and discomfort following trauma. Additionally, it is applied to ease the challenging symptoms of primary dysmenorrhea (pain related to menstruation).

“This symptomatic assistance provides support that helps ease the overall symptom burden and supports the patient during difficult episodes by easing distress.”


Quick Fact: Relief for Inflammation
Inflax is applied across domains where additional symptomatic support is needed to address symptoms related to inflammatory or irritative states and functional strain.

Regulatory References

  1. NIH MedlinePlus overview on Piroxicam

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Inflax — Official Regulatory Information

The eligibility for Inflax, which contains the NSAID Piroxicam, is strictly defined by regulatory health authorities and is based on a patient's medical history and current physiological status. Use is generally restricted to the adult population.

Category Eligibility Status (as per official labeling)
Populations for whom use is allowed Established for the adult population (18 years and older).
Populations for whom use is not recommended Pediatric population (safety/efficacy not established). Breastfeeding mothers. Women attempting to conceive.
Populations for whom use is contraindicated History of hypersensitivity to Piroxicam, aspirin, or other NSAIDs. History of GI ulceration or bleeding. Active peptic ulcerations. Severe heart failure. In the setting of CABG surgery.

Age-Related Eligibility Rules

  • Pediatric Population: Use is not recommended as safety and efficacy have not been established in children or adolescents.
  • Older Adults (Geriatric): Use requires caution due to a higher risk of gastrointestinal complications, and monitoring is required due to the potential for impaired renal or cardiac function.

Condition-Specific Eligibility Rules

  • Renal/Hepatic Function: Use is contraindicated in patients with severe renal impairment or severe liver impairment.
  • Pregnancy: Contraindicated in the third trimester (starting at 30 weeks gestation). Use between 20 and 30 weeks requires limitation in dose and duration.

Connection to the Overall Eligibility Profile

Official regulatory documents define the eligibility profile by establishing boundaries for use, classifying the medicine primarily for adults who do not possess specific high-risk clinical histories. The profile emphasizes absolute contraindications based on allergic, gastrointestinal, and cardiovascular risks, and restricts use in groups where safety is not established, such as children, or where fetal risk is present, such as late-stage pregnancy.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines the clinically significant interactions for Inflax as documented in official government regulatory information.

Contraindicated Combinations

The co-administration of Inflax is contraindicated with certain medicines due to the risk of severe changes in drug exposure or efficacy. This includes Rifampicin and Ciclosporin. The combination with Rifampicin is restricted because it significantly reduces the bioavailability and intended effect of Inflax. Concomitant use with Ciclosporin is prohibited due to the mutual increase in the plasma concentrations of both substances.

Exposure-Modifying Substances

The most prominent interaction category involves substances that inhibit or induce the CYP3A4 enzyme system, the primary pathway for Inflax metabolism. Official labeling dictates avoiding strong CYP3A4 inhibitors (e.g., certain Macrolide antibiotics, Azole antifungals, Anti-HIV protease inhibitors) as they lead to a substantial increase in Inflax levels. Conversely, CYP3A4 inducers (e.g., Phenytoin, Carbamazepine) may significantly reduce Inflax concentrations, potentially diminishing its intended effect.

Food, Alcohol, and Other Constraints

Consumption of Grapefruit or Grapefruit juice is officially not recommended due to its potential to increase the body’s exposure to Inflax. Furthermore, co-administration with alcohol is advised against. The official profile notes that other antihypertensive drugs and cardiac glycosides (like Digoxin) require close monitoring during co-administration due to the potential for intensified effects.

Mechanism of Action

Mechanism of Action: Piroxicam

Inflax's mechanism relies on the action of Piroxicam to modulate the body's inflammatory signaling at the molecular level. The mechanism is defined by two interconnected mechanistic domains.


Molecular Targeting of Cyclooxygenase Enzymes

The action begins with Piroxicam targeting the Cyclooxygenase (COX) enzymes, specifically acting as a non-selective competitive inhibitor of both the COX-1 and COX-2 isoforms. This interaction blocks the enzyme's capacity to convert arachidonic acid into prostanoid mediators, initiating the suppression of the prostaglandin synthesis pathway.


Modulation of Inflammatory and Nociceptive Cascades

By preventing the formation of key signaling molecules like PGE2, this mechanism modulates the biochemical cascade involved in inflammation and nociceptive signaling. This results in the reduction of vasodilation and capillary permeability at injury sites, leading to physiological consequences including the reduction of fluid exudation, and a change in the sensitivity threshold of peripheral nociceptors.


Mechanistic Constraint: Homeostatic Inhibition

Due to its non-selective nature, the mechanism inherently involves inhibiting the COX-1 enzyme, which is responsible for synthesizing constitutive prostaglandins. This alters the synthesis of mediators required for maintaining gastric mucosal integrity and for the formation of Thromboxane A2 in platelets, thereby affecting the physiological process of primary hemostasis.

Dosage and Administration Information

How to Use Inflax (Piroxicam)

Inflax is administered according to specific regimens designed to ensure use is restricted to the shortest duration and the lowest effective dose. The administration methods are the oral route (capsules and tablets), the topical route (gel), and a short-term intramuscular (IM) injection for instances where oral intake is not feasible.


Standard Dosing Regimens

Maximum daily doses vary by the duration of the condition. For long-term use in conditions such as osteoarthritis and rheumatoid arthritis, the standard maintenance dose is 20 mg taken once daily, which is the maximum dose for chronic treatment. In contrast, for acute musculoskeletal disorders, treatment is initiated at 40 mg daily for the first two days, followed by a reduction to 20 mg daily for the remaining course. This dosing flexibility adheres to the 20 mg maximum for long-term use.


Administration Conditions and Review

Oral doses should be taken with or immediately after food or with a full glass of water to support administration. The oral forms are usually taken once daily due to the drug's extended action. Treatment is for the shortest possible duration, and the clinical tolerability is formally reassessed within 14 days of starting therapy. The injectable form's use is strictly limited, typically to only 2 to 3 days, necessitating a rapid transition to an oral dosage form.

Recent Clinical Evidence

Research evidence / Overview of Studies for Inflax

Evidence for Chronic Inflammatory Joint Conditions

The majority of research on Inflax (Piroxicam) has focused on its application in exploring symptomatic patterns of chronic inflammatory joint conditions, primarily osteoarthritis and rheumatoid arthritis. This research base consists largely of Randomized Controlled Trials (RCTs), alongside supporting Systematic Reviews and Meta-analyses that consolidate findings from multiple studies.

In these trials, research examined outcomes related to physical discomfort and daily functioning. Studies monitored changes in patient-reported pain intensity and measurements of joint stiffness. For both conditions, the evidence describes findings related to symptom patterns during periods of heightened symptom activity. However, many primary trials were short-term, typically lasting no more than 12 weeks. Research exploring symptom changes over this limited duration provides context but does not offer individual predictions.


Research on Other Approved Musculoskeletal Conditions and Acute Flares

Research studied its use in ankylosing spondylitis, where outcomes related to spinal stiffness and pain was monitored in adult populations. Additionally, Inflax was studied for conditions involving periods of acute or disruptive episodes, such as flares of gouty arthritis and certain acute musculoskeletal disorders. Research focused on outcomes describing episodic or acute changes, such as the rate at which changes in pain and swelling were measured. The studies conducted during periods of increased symptom activity examined responses over very short durations, such as a few days of treatment.


Long-Term Studies and Durability of Symptomatic Effect

Clinical trials exploring Inflax were primarily conducted over limited follow-up durations. Research provides insight into short-term changes, but the long-term outcomes and the durability of symptomatic response over many months or years are not fully established by these primary RCTs. Evidence concerning the long-term outcomes is mainly derived from observational settings and subsequent regulatory safety reviews, which focus on evaluating the safety profile over extended use.

Frequently Asked Questions (FAQ)

Common questions about Inflax (FAQ)


Q: What is the brand name of Piroxicam?

Piroxicam is the active chemical ingredient in various prescription medicines. While the content is referred to as Inflax in this context, official regulatory documents also list other brand names for Piroxicam, such as Feldene, depending on the country and manufacturer.


Q: What should I do if I miss a dose of Inflax?

According to official patient information, if a dose is forgotten, the general guidance suggests taking it as soon as it is remembered. However, if it is almost time for the next scheduled dose, it is advised to skip the missed dose entirely. Patients are cautioned against taking two doses at once to compensate for a missed dose.


Q: What is the maximum initial dose for an acute flare-up?

Official prescribing information establishes specific initial doses for acute musculoskeletal disorders, which is limited for the first two days of treatment. Following this initial period, the dose is typically adjusted down for the remaining course, according to the official product label.


Q: How soon can I expect Inflax to start working for pain relief?

Official product information suggests that while the active ingredient begins to work following administration, the full therapeutic response is typically not immediate. The full effect of therapy is usually assessed after two weeks to ensure stable blood levels have been reached, due to the medicine's extended action.


Q: What should I do if I think I have taken too much Inflax (overdose)?

If an overdose is suspected, immediate emergency medical attention should be sought. Official labeling advises that symptoms can include feelings of sickness, pain in the stomach, or drowsiness, and urgent care may be needed.


Q: Is Inflax a narcotic or controlled substance?

Inflax contains the active ingredient Piroxicam, which is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). According to regulatory records, it is not classified as a narcotic or a federally controlled substance under the Controlled Substances Act.


Q: Are there any known long-term side effects or risks for Inflax?

Official safety reviews indicate that long-term use is associated with increased risks for serious adverse effects. These risks include a heightened potential for serious gastrointestinal complications, such as bleeding, and an increased risk of serious arterial thrombotic events, which relate to issues like heart attack or stroke.


Q: What are the specific requirements for disposing of old or unused Inflax?

When a drug take-back program is unavailable, official guidelines provide specific steps for disposal. The drug should be removed from its container and mixed with an undesirable substance such as used coffee grounds or dirt, before being sealed in a bag and discarded in the household trash.

How should Inflax be stored and disposed of?

How to Store and Dispose of Inflax (Piroxicam)

Inflax (Piroxicam) must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F). The medication must be kept in a tightly closed container to protect it from excessive moisture and heat, which can affect stability. It is mandatory to store Inflax out of the sight and reach of children.

Disposal Requirements

Unused or expired Inflax should be disposed of according to official regulatory guidelines. The preferred method is a local drug take-back program. If one is unavailable, the medicine may be mixed with an undesirable substance (such as dirt or coffee grounds), sealed in a bag, and discarded in the household trash, following specific instructions to ensure safe handling.

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

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