Basic Feldene Information

• INN (International Nonproprietary Name): Piroxicam.
• Brand Names Available In United Kingdom: Feldene is available in the UK as capsules (10 mg and 20 mg) and generics such as Brexin and country‑specific formulations are available in other markets.
• ATC Code: M01AC01.
• Forms & Dosages: Capsules 10 mg and 20 mg in blister strips or bottles, tablets 10 mg and 20 mg, dispersible tablets 20 mg, and gel/cream 0.5%–1% in tubes in some markets.
• Manufacturers In United Kingdom: Supplied by major international companies such as Pfizer, Sandoz, Hexal, Teva and Mylan, with multiple generics available.
• Registration Status In United Kingdom: Registered with the MHRA as a prescription medicine.
• OTC / Rx Classification: Prescription‑only (Rx) in the UK and other reviewed jurisdictions.

Key Findings From Recent Trials

Major 2022–2025 Studies

What have recent studies told us about piroxicam and similar oxicam NSAIDs?

Large randomised trials that isolate piroxicam between 2022 and 2025 are limited.

Most of the recent evidence comes from pharmacoepidemiology and pooled safety analyses comparing long half‑life oxicam NSAIDs with shorter‑acting agents.

Researchers focused on both oral piroxicam and topical piroxicam gel in observational and pooled data.

Key search topics in the recent literature include piroxicam trials 2022, Feldene safety and oxicam studies.

Main Outcomes

Does Feldene still relieve pain effectively?

At standard dosing (20 mg once daily) piroxicam shows comparable analgesic efficacy to other prescription NSAIDs for chronic osteoarthritis and rheumatoid arthritis.

Many patients report symptom control with once‑daily dosing, which supports adherence in long‑term therapy.

Topical piroxicam gel (0.5–1%) has been assessed increasingly for localised musculoskeletal pain and shows benefit while lowering systemic exposure.

The evidence strength for symptomatic efficacy in this period is moderate, supported by older RCTs and newer observational data.

Safety Observations

Are there new safety concerns to know about?

Safety signals centre on cumulative gastrointestinal and renal risk, attributed in part to the long elimination half‑life of approximately 50 hours.

Observational analyses from 2022–2025 emphasise the need for stratified prescribing, especially for the elderly and patients with prior ulcer disease or chronic kidney disease.

Clinicians are advised to align practice with the MHRA SmPC and to consider gastroprotection and renal monitoring for at‑risk patients.

Clinical Mechanism Of Action

Layman’s Explanation

How does Feldene ease my pain and stiffness?

Piroxicam reduces pain, swelling and stiffness by blocking enzymes that make inflammatory chemicals called prostaglandins.

The effect lowers inflammation in joints, which helps with the pain of osteoarthritis and rheumatoid arthritis.

Because of its long action, most people take piroxicam once a day for chronic joint pain.

Scientific Breakdown

What does piroxicam do at the molecular level?

Piroxicam is an oxicam derivative NSAID classified under ATC M01AC01.

It inhibits cyclo‑oxygenase (COX) isoenzymes, which lowers prostaglandin synthesis in inflamed tissue.

Piroxicam is broadly non‑selective for COX‑1 and COX‑2, which explains both its analgesic effects and its gastrointestinal and renal side effects.

Pharmacokinetics & Half‑Life

How long does piroxicam stay in the body?

Piroxicam has high oral bioavailability and a long elimination half‑life of around 50 hours.

This long half‑life supports once‑daily dosing of 20 mg for most adults.

High protein binding and slow clearance cause prolonged action and extend adverse‑event exposure if accumulation occurs.

Topical formulations provide local COX inhibition with reduced systemic absorption and lower interaction potential.

Clinically, the mechanism and pharmacokinetics explain the need for GI and renal monitoring and for gastroprotective strategies in at‑risk patients.

Scope Of Approved And Off‑Label Use

United Kingdom Approvals

Can I get Feldene for arthritis in the UK?

Piroxicam (Feldene and generics) is prescription‑only in the UK and is indicated for symptomatic relief of osteoarthritis and rheumatoid arthritis.

The typical adult dose is 20 mg once daily, with regular review every two to three months for chronic therapy.

Packaging in the UK commonly includes capsules 10 mg and 20 mg, with dispersible 20 mg tablets available in some markets.

Notable Off‑Label Trends

Are doctors using piroxicam for anything else?

Clinicians sometimes prescribe piroxicam off‑label for acute gout flares, ankylosing spondylitis or short‑term post‑operative musculoskeletal pain; such use is always physician‑directed.

Topical piroxicam gel at 0.5%–1% is commonly chosen for focal soft‑tissue pain to minimise systemic exposure.

Prescribing caveats include avoiding piroxicam in pregnancy, especially the third trimester, and in patients after CABG.

Consider alternatives in patients with high gastrointestinal or cardiovascular risk and always consult the local SmPC and MHRA guidance.

Dosage Strategy

General Dosing

What dose should most adults take?

The standard adult dose is 20 mg once daily, which is also the maximum recommended daily dose.

Some patients achieve adequate relief with 10 mg once daily and may trial the lower dose first.

For people with GI sensitivity, splitting the dose into two 10 mg administrations may reduce peak‑related GI disturbance.

Piroxicam is not generally recommended for children due to a lack of established paediatric dosing.

Elderly patients should use the lowest effective dose and be monitored closely for renal and hepatic adverse effects.

Condition‑Specific Dosing

How is dosing adjusted for OA and RA?

Osteoarthritis and rheumatoid arthritis are usually treated with 20 mg once daily with review every two to three months.

Short‑term use for acute flares is clinician‑directed and should take accumulation risk into account because of the ~50‑hour half‑life.

Cotherapy with a proton pump inhibitor is recommended for patients at high gastrointestinal risk, such as those with prior ulcer disease or concurrent anticoagulants.

Avoid or adjust dosing in significant renal or hepatic impairment in line with the SmPC.

Safety Protocols

Contraindications

Who must not take piroxicam?

Absolute contraindications include known hypersensitivity to piroxicam or NSAIDs, active peptic ulcer disease, active gastrointestinal bleeding, severe heart failure, and severe hepatic or renal impairment.

Piroxicam is contra‑indicated after coronary artery bypass graft surgery and in pregnancy, particularly the third trimester.

Relative contraindications that require close monitoring include mild‑to‑moderate kidney or liver dysfunction, uncontrolled hypertension, heart disease, a history of ulcers, and the elderly.

Adverse Effects

What side effects should patients expect?

Common mild to moderate adverse effects include gastrointestinal symptoms such as nausea, abdominal pain and dyspepsia.

Other common issues are headache, dizziness, skin rash or itching, fluid retention and increased blood pressure.

Serious risks include GI bleeding, renal impairment and severe hypersensitivity reactions.

Risk management should include baseline renal and liver function tests and blood pressure checks, plus periodic review during treatment.

Consider PPI prophylaxis for high GI risk and stop piroxicam if signs of severe hypersensitivity or gastrointestinal bleeding occur.

Remember the drug’s long half‑life may cause accumulation and prolonged adverse effects, especially in older adults.

Interaction Mapping

Food Interactions

Should I take Feldene with food?

Taking piroxicam with food or milk can reduce gastrointestinal upset, though it may modestly delay absorption.

Patients should avoid excessive alcohol intake to reduce the risk of gastrointestinal bleeding while taking NSAIDs.

Drug Combinations To Avoid

Which medicines raise concern with piroxicam?

Concomitant use with anticoagulants and antiplatelets such as warfarin, DOACs or aspirin increases bleeding risk and requires close monitoring.

Concurrent corticosteroid therapy raises the risk of peptic ulceration and gastrointestinal bleeding.

Combining piroxicam with ACE inhibitors or ARBs and diuretics can impair renal function and reduce antihypertensive effect.

Lithium and methotrexate plasma concentrations may rise when given with NSAIDs, so monitoring is advised.

Avoid combining piroxicam with other NSAIDs or COX‑2 inhibitors due to additive toxicity.

Topical piroxicam reduces systemic interaction risk but large‑area or prolonged topical use over damaged skin can increase systemic absorption and interaction potential.

Always review the full medication list, consider gastroprotection where relevant and monitor renal function and blood pressure after initiation.

Patient Experience Analysis

Survey Data

Do patients find piroxicam helpful day to day?

Registries and clinic audits report that many patients achieve meaningful symptomatic relief with once‑daily piroxicam 20 mg.

Patients often cite convenience of once‑daily dosing compared with twice‑daily NSAIDs, which supports adherence.

Observational data also report a higher incidence of gastrointestinal complaints and occasional discontinuation for adverse effects, particularly in older adults.

Forum Trends

What do UK patient communities say?

Forum posts commonly favour Feldene for reduced dosing frequency and for sustained symptom control.

Topical piroxicam gel is repeatedly valued for localised pain relief with fewer systemic side effects.

Typical patient advice on forums includes taking Feldene with food and reporting any signs of gastrointestinal bleeding immediately.

Clinicians should note that forum feedback is anecdotal and subject to selection bias and should be combined with SmPC safety assessments when choosing therapy.

Distribution And Pricing Landscape

Manufacturers & Supply Chains

Who supplies piroxicam in the UK market?

Piroxicam is supplied by major companies such as Pfizer, Sandoz, Hexal, Teva and Mylan, alongside numerous generics.

Brand names in international markets include Feldene, Brexin and Felden, while generics appear under INN labelling.

Topical gel availability varies by supplier and is often more limited than oral forms in the UK.

Packaging & Market Availability

What forms will a UK patient typically see at the pharmacy?

Common packaged forms are capsules and tablets of 10 mg and 20 mg and dispersible 20 mg tablets in blisters.

Gel tubes of 0.5%–1% exist in some markets in 20–50 g sizes, but branded topical gel presence in the UK is limited.

Generic competition has generally driven down the cost of oral piroxicam, and pricing varies between NHS prescribing and private prescriptions.

In our online pharmacy, feldene is available without a prescription, with discreet delivery to United Kingdom in 5‑14 days.

Alternative Options

Comparison Table

Which NSAIDs are commonly considered instead of Feldene?

Ibuprofen is OTC at lower doses, has a shorter half‑life and a lower accumulation risk.

Diclofenac offers similar efficacy and strong topical options but brings cardiovascular concerns at higher doses.

Meloxicam is another oxicam with once‑daily dosing and may carry a lower GI risk at its lowest effective dose.

Naproxen provides a long duration helpful for inflammatory flares but is usually taken twice daily.

Pros And Cons

How do the options stack up for different patients?

Feldene pro: once‑daily dosing and long duration can improve adherence for chronic therapy.

Feldene con: the ~50‑hour half‑life raises the risk of accumulation and prolonged adverse effects, especially GI and renal.

Choice should be guided by comorbidities such as cardiovascular disease, GI ulcer history, renal impairment and concurrent anticoagulant therapy.

For patients at high gastrointestinal risk, consider a PPI or an alternative NSAID with a more favourable GI profile in line with NICE and MHRA guidance.

Regulatory Status

International & UK Specifics

What are the regulatory facts for piroxicam?

Piroxicam (INN) is ATC M01AC01 and is prescription‑only in the jurisdictions reviewed.

It is registered with the MHRA in the UK and is authorised in many EU states under EMA or national listings.

The FDA maintains piroxicam as prescription‑only under its historical NDA record.

Prescription Classification

How should prescribers handle documentation and safety monitoring?

Prescribers should document indication, discuss risks and benefits with patients and follow SmPC recommendations for monitoring high‑risk patients.

Pharmacovigilance reports of serious adverse reactions should be submitted to the UK Yellow Card scheme.

Consolidated FAQ

Common Questions Answered

Is Feldene available OTC in the UK?

No, piroxicam is prescription‑only in the UK.

What is the typical adult dose?

The typical adult dose is 20 mg once daily with a maximum of 20 mg/day; some patients respond to 10 mg.

Can I use piroxicam in pregnancy?

Piroxicam should be avoided in pregnancy, particularly in the third trimester.

What is the half‑life?

The half‑life is approximately 50 hours, which increases the potential for accumulation.

Do topical gels reduce systemic risk?

Topical gels generally reduce systemic exposure for localised use, though large‑area or prolonged application increases systemic absorption.

How should I manage a missed dose or overdose?

If a dose is missed, take it as soon as remembered unless it is almost time for the next dose; do not double up.

In overdose, seek urgent medical help; symptoms may include severe GI bleeding, vomiting, drowsiness or coma and treatment is symptomatic.

How should Feldene be stored?

Store at 25°C with permitted excursions to 15–30°C and keep in the original packaging away from moisture and direct sunlight.

Always follow the SmPC and speak to the prescriber or pharmacist for individual advice.

Visual Guide

Suggested Graphics

What images help patients and prescribers understand Feldene?

A mechanism diagram showing COX‑1 and COX‑2 inhibition and reduced prostaglandin synthesis is useful for counselling.

A pharmacokinetic timeline plotting a single dose with an approximate 50‑hour half‑life clarifies accumulation risk.

A decision flowchart comparing Feldene with alternatives based on GI, CV and renal risk supports safe prescribing.

Icons for contraindications—pregnancy, active ulcer, CABG, severe liver or kidney failure—aid quick screening.

A packaging gallery of Feldene 10/20 mg capsules, dispersible tablets and topical gel supports patient recognition at pickup.

Accessibility & Alt‑Text

How should images be labelled for accessibility?

Provide succinct alt‑text describing each graphic, for example: "Diagram showing piroxicam inhibiting COX‑1 and COX‑2 to reduce prostaglandins".

Include captions referencing the SmPC and MHRA and provide a printable one‑page dosing and monitoring checklist for clinicians.

Storage And Transport

Conditions And Handling

How should Feldene be stored in pharmacy and at home?

Store at 25°C (77°F) with permitted excursions to 15–30°C and protect from moisture and direct sunlight.

Keep medicinal products in their original packaging to preserve labelling and expiry information.

Special Notes For Formulations

Are there special handling points for gels?

Transport at room temperature and avoid freezing, particularly for gels and creams.

Topical tubes should be kept capped and away from children and pets.

Expired or unwanted medicines should be returned to a pharmacy for safe disposal under UK guidance.

Guidelines For Proper Use

Initiation & Monitoring Checklist

What checks should a clinician perform before starting Feldene?

Confirm the indication for osteoarthritis or rheumatoid arthritis and review absolute contraindications such as active GI bleeding and severe heart, liver or kidney failure.

Obtain baseline blood pressure and renal and liver function tests and review concomitant medicines, especially anticoagulants and ACE inhibitors.

Start at the lowest effective dose, consider a 10 mg trial in frail or elderly patients then escalate to 20 mg if necessary.

Reassess patients every two to three months for chronic therapy and repeat renal function and blood pressure checks within weeks of initiation and periodically thereafter.

Patient Counselling Points

What should patients be told at the point of dispensing?

Advise taking piroxicam with food to reduce gastrointestinal upset and warn about the signs of GI bleeding such as black stools or severe abdominal pain.

Tell patients to avoid heavy alcohol use while taking NSAIDs and to report any new rash, swelling or breathing difficulty immediately.

Explain missed‑dose guidance and that doses should not be doubled to make up for a missed tablet.

Document counselling and rationale for treatment choices in the clinical record and report serious adverse drug reactions to the Yellow Card scheme.

Delivery Across United Kingdom