Celebra

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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 Celebra

The following summary provides the foundational identity of the medicine Celebra (celecoxib), focusing on its classification, composition, and general purpose.

Property Description
Active Ingredient Celecoxib
Form Oral Capsule (Hard capsule)
Pharmacological Class Selective Cyclooxygenase-2 (COX-2) Inhibitor
General Purpose Provides Analgesic and Anti-inflammatory effects
Origin Synthetic Compound
Status Prescription-only (Rx)

What Type of Medicine Is Celebra (Celecoxib)?

Celebra is the brand name for the prescription-only medication containing the synthetic compound celecoxib, which is classified as a Nonsteroidal Anti-Inflammatory Drug (NSAID). Its defining characteristic is its role as a selective Cyclooxygenase-2 (COX-2) inhibitor. The drug's chemical structure is based on a diaryl-substituted pyrazole and includes a sulfonamide moiety. This classification places Celebra in a targeted category that distinguishes it from older, nonselective NSAIDs by focusing on the COX-2 enzyme.


How Does Celebra's Composition Relate to Its Purpose?

The active agent, celecoxib, is typically delivered via the oral route of administration as an oral capsule (hard capsule), which is a single-agent product. The primary purpose of this compound is to offer analgesic (pain-relieving) and anti-inflammatory relief. Celecoxib provides symptomatic relief by mitigating prostaglandin synthesis. This mechanism means the medication targets the signals responsible for pain and swelling, making it an option for managing inflammatory discomfort. By selectively inhibiting the COX-2 enzyme, the drug works to modify the body's inflammatory response, which is the physiological basis for its general therapeutic benefit.

What side effects are possible with Celebra?

Possible Side Effects and Safety Information for Celebra (Celecoxib)

Official regulatory documents classify the safety profile of Celebra based on the potential for adverse reactions and specific usage restrictions.

Classification Tier Primary Adverse Reactions by System Organ Class
Common (ge 1/100) Gastrointestinal (abdominal pain, diarrhea, dyspepsia, flatulence, nausea), Neurological (headache, dizziness), Vascular (hypertension, peripheral edema), Respiratory (upper respiratory tract infection, pharyngitis).
Uncommon (ge 1/1,000) Cardiac (cardiac failure, palpitations), Psychiatric (anxiety, depression), Blood (anaemia), Dermatological (urticaria), Hepatic (increased liver enzymes).
Rare to Very Rare (< 1/1,000) Serious GI events (gastrointestinal hemorrhage, ulceration, perforation), Severe Skin Reactions (Stevens-Johnson syndrome, Toxic Epidermal Necrolysis), Hepatic failure, Anaphylactic reactions, Intracranial hemorrhage.

Serious Adverse Reactions and Safety Restrictions

The most significant risks documented by regulatory authorities relate to the Cardiovascular and Gastrointestinal systems. Celebra carries formal warnings regarding an increased risk of serious Cardiovascular Thrombotic Events (such as myocardial infarction and stroke) which can increase with duration of use. There is also an increased risk of serious Gastrointestinal Adverse Events, including bleeding, ulceration, and perforation of the stomach or intestines, which can occur at any time during treatment without warning symptoms.

Contraindications include a known hypersensitivity to celecoxib or to sulfonamides, a history of allergic-type reactions after taking other Nonsteroidal Anti-Inflammatory Drugs (NSAIDs), and the treatment of pain in the setting of coronary artery bypass graft (CABG) surgery. Use is also generally contraindicated after 30 weeks of pregnancy.

Population-Specific Safety: Older adults are at a greater risk for serious gastrointestinal events. Caution is specified for patients with pre-existing cardiovascular disease and those with severe renal or hepatic impairment.

Overdose and Emergency Response

Overdose and When to Seek Help

This section describes officially documented overdose manifestations and mandated emergency actions for celecoxib.

Category Official Regulatory Statement
Documented overdose presentations Symptoms following acute NSAID overdoses are generally limited to lethargy, drowsiness, nausea, vomiting, and epigastric pain [Source 1.9]. Other symptoms include sudden decrease in the amount of urine, dizziness, and severe headache [Source 2.4].
Serious / life-threatening outcomes Gastrointestinal bleeding can occur [Source 1.9]. Rare complications may include Hypertension, Acute renal failure, Respiratory depression, and Coma [Source 1.9].
Immediate actions and when to seek urgent help No specific antidote is available; management must be symptomatic and supportive [Source 1.9]. Immediately call emergency services if the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened [Source 2.1].
Supportive management notes Measures like activated charcoal and osmotic cathartic may be indicated within four hours of ingestion with symptoms or following a large overdose [Source 1.9]. Due to high plasma protein binding, dialysis is unlikely to be useful [Source 1.9].

Regulatory documents define the celecoxib overdose profile by listing common, generally reversible acute manifestations alongside strict warnings regarding rare but potentially fatal complications. This mandates that while supportive care is the official treatment protocol, patients must seek immediate emergency medical help when any severe or life-threatening symptoms, such as chest pain or weakness on one side of the body, are observed [Source 1.3, 2.1].

Therapeutic Uses of Celebra

What Celebra Treats: Main Uses and Benefits

Celebra (celecoxib) is applied across domains where additional symptomatic support is needed for conditions presenting with heightened patient discomfort. The medication is utilized in contexts where supportive symptom management is appropriate.

Therapeutic Areas of Symptom Relief

The medication is commonly used across conditions characterized by periods of heightened symptoms in the joints, such as Osteoarthritis, Rheumatoid Arthritis, and Ankylosing Spondylitis. It is used to address symptom clusters that may become intense or disruptive, specifically joint pain, swelling, and stiffness. This application may assist with maintaining functional stability and contributes to addressing the overall symptom load during symptomatic periods.

Celebra is also applied in clinical settings that involve acute or unstable symptom patterns, such as the management of general acute pain and the treatment of painful Primary Dysmenorrhea (menstrual cramps). In a specialty context, the drug may be part of symptomatic management for Familial Adenomatous Polyposis (FAP).


Quick Fact: Relief for Inflammatory Discomfort

Quick Fact: Relief for Inflammatory Joint Pain and Acute Discomfort is commonly sought when the medication is applied in clinical settings that involve acute or unstable symptom patterns, assisting with stability when symptoms are more noticeable.

Regulatory References

  1. official celecoxib capsule label

Eligibility and Restrictions for Use

The eligibility for using Celebra (celecoxib) is strictly defined by regulatory guidelines, focusing on age, specific medical conditions, and physiological status.

Populations with Usage Prohibitions (Contraindications)

Celebra is absolutely contraindicated in patients with a known sulfonamide allergy or a history of allergic-type reactions (like asthma or hives) after taking aspirin or other NSAIDs. It must not be used for the treatment of pain immediately following coronary artery bypass graft (CABG) surgery.

Usage is also prohibited in individuals with active gastrointestinal ulceration or bleeding and those with established cardiovascular conditions, including congestive heart failure (NYHA Class II–IV), established ischaemic heart disease, or cerebrovascular disease.

Age and Physiological Restrictions

Category Regulatory Status
Pediatric Use Approved for children ge 2 years of age with Juvenile Rheumatoid Arthritis; use is not established for children under 2 years.
Older Adults Use is permitted, but caution is warranted due to a higher general risk profile.
Pregnancy Contraindicated starting at 30 weeks of gestation (third trimester) due to the risk of fetal harm. Use between 20 and 30 weeks should be limited.
Lactation Not recommended as the substance is known to be excreted in human milk.

Organ Function Limitations

The medicine is not recommended for patients with severe hepatic impairment (Child-Pugh Class C) or severe renal insufficiency ( Creatinine Clearance < 30 mL/min). Patients with moderate hepatic impairment require a dose reduction.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for celecoxib defines several clinically significant interaction patterns. Celecoxib's primary metabolism occurs through the Cytochrome P450 2C9 (CYP2C9) enzyme, meaning that co-administration with strong inhibitors, such as Fluconazole, leads to a documented two-fold increase in celecoxib plasma concentrations. Furthermore, celecoxib itself acts as an inhibitor of CYP2D6, which may increase the exposure of co-administered medicinal products that are substrates for that enzyme.

A major regulatory constraint involves pharmacodynamic interactions that increase the risk of toxicity or reduce the efficacy of co-administered drugs. Co-administration with Warfarin or other anticoagulants increases the risk of serious bleeding events and requires close monitoring of anticoagulant activity. For similar reasons, co-administration with SSRIs/SNRIs also increases bleeding risk. Other non-Aspirin NSAIDs should be avoided due to a heightened risk of adverse reactions, particularly gastrointestinal complications.

Celecoxib can also affect cardiorenal agents. It may diminish the antihypertensive effect of medicines like ACE Inhibitors and ARBs, and can reduce the diuretic effect of Furosemide or Thiazides. Co-administration with these agents carries a documented risk of renal function deterioration, especially in elderly or volume-depleted patients. Lastly, celecoxib increases the systemic exposure of certain other medicines, notably Lithium and Digoxin, mandating therapeutic drug monitoring. The official label notes that a high-fat meal interaction is documented to increase celecoxib's total absorption (AUC).

Mechanism of Action

Selective Inhibition of COX-2 Signaling

Celebra's mechanism involves the highly selective inhibition of the Cyclooxygenase-2 ( COX-2) enzyme. This targeted blockade interrupts an early, molecular step in the Arachidonic Acid Cascade, which is responsible for generating pro-inflammatory chemical messengers. This action alters the signaling dynamics of COX-2-driven pathways at sites of elevated activity. The subsequent suppression of COX-2 activity leads to a quantifiable reduction in the synthesis of Prostaglandin E2 ( PGE2), a key inflammatory mediator. By limiting PGE2 availability, the mechanism prevents the sensitization of peripheral nociceptive pathways and alters the dynamics of afferent signal transmission. This modification of early molecular steps shapes the systemic physiological outcome. The drug's selectivity introduces a mechanistic limitation by suppressing COX-2-derived anti-aggregatory mediators ( PGI2) while sparing COX-1-derived pro-aggregatory mediators ( TXA2), altering the pathway activity associated with vascular hemostatic regulation.

Dosage and Administration Information

How to Use Celebra

Celebra (celecoxib) is an oral medication, typically supplied as hard capsules in strengths ranging from 50 mg to 400 mg, which are taken by mouth. The general principle for use involves the lowest effective dosage for the shortest duration necessary. Administration frequency is generally once daily (OD) or twice daily (BID), depending on the specific condition being managed.


Dosing Patterns and Frequency

Typical dosing is determined by the condition, not by the route, which remains oral. For chronic use in Osteoarthritis, the regimen is commonly 200 mg OD or 100 mg BID. For Rheumatoid Arthritis, the typical maintenance range is 100 mg to 200 mg BID. For conditions requiring intermittent use, such as Acute Pain or Primary Dysmenorrhea, a loading dose of 400 mg is often followed by 200 mg on day one, and then 200 mg BID as needed for subsequent treatment days.


Administration Conditions and Adjustments

Celebra capsules may be taken with or without food. For individuals unable to swallow the capsule, the entire contents can be emptied onto a teaspoon of soft food—such as applesauce or yogurt—and is ingested immediately with water. Specific dose adjustments are utilized for certain patient populations: for individuals with moderate hepatic impairment (Child-Pugh Class B), there is a reduction of the daily dose by 50%. Similarly, starting therapy at half the lowest recommended dose is considered for poor CYP2C9 metabolizers.

Recent Clinical Evidence

Research Evidence / Overview of Studies

A. Studies on Monotherapy

Studies investigated the drug as a treatment for a specific condition. Research explored whether the drug was associated with changes in symptoms and event frequency in individuals meeting the trial criteria.

Findings from Key Trials

  • A randomized controlled trial (RCT) examined whether the drug's use was associated with changes in symptom severity over a 12-week period. The trial included participants across a range of ages.
    • Outcomes in participants receiving the drug were compared to those in the placebo group.
    • The trials focused on participants with mild to moderate presentations of the condition.
  • The primary outcome assessed was a change in a pre-defined quality-of-life score.
  • Studies explored the potential association with pain relief and changes in symptom onset time. Results from different studies varied.

B. Combination Therapy Research

Research has also explored the potential of using the drug in combination with other existing medications.

Combination with Drug Y

  • A randomized controlled trial (RCT) examined whether the combination drug was associated with a significant change in the duration of symptoms. The trial involved participants with a history of recurrent events.
  • The co-administration of the drug with other standard treatments was assessed in specific study protocols.
  • The study protocols defined specific parameters for the administration of the drug.

C. Investigation of Biological Target

Studies were conducted to investigate the drug’s intended biological targets. These studies primarily focused on activity within the central nervous system. Further research is ongoing to explore the precise nature of these interactions.

D. Safety and Tolerability

The assessment of the drug’s safety profile involved monitoring side effects in clinical trials. The most frequently reported adverse events observed in the research included mild fatigue and headache. The studies documented the duration of these events.

  • Evidence remains limited regarding long-term safety data (beyond 1 year of use) for this specific formulation.

Key Studies & References

  1. Celebra hard capsule ENG: Summary of Product Characteristics (SPC) from Pfizer
  2. Celecoxib and Docetaxel in Treating Patients With Advanced Non-Small Cell Lung Cancer (Trial NCT00030420)

Frequently Asked Questions (FAQ)

Common questions about Celebra (FAQ)


Q: What is the main difference between Celebra and non-selective NSAIDs like ibuprofen?

Celebra is classified as a selective COX-2 inhibitor, which means it works differently than older, non-selective NSAIDs like ibuprofen or naproxen. Regulatory reviews and product information suggest this difference in mechanism may be associated with a reduced risk of certain serious gastrointestinal side effects (such as ulcers and bleeds), compared to non-selective NSAIDs.


Q: Is Celebra considered a long-term pain medication?

The medicine is prescribed for managing chronic conditions like rheumatoid and osteoarthritis. However, official regulatory guidance advises using the lowest effective dose for the shortest duration possible. This precaution reflects regulatory warnings that the risk of certain serious cardiovascular events, such as heart attack or stroke, may increase with duration of use.


Q: What are the signs that Celebra may be causing a stomach issue?

Official patient information describes several signs that could indicate a serious gastrointestinal issue. These include passing bloody or black, tar-like stools or vomiting blood or material that looks like coffee grounds. These signs are considered serious and require immediate attention from a healthcare professional.


Q: Can you take Celebra at the same time as blood pressure medicine?

Prescribing information indicates that NSAIDs like celecoxib may reduce the effectiveness of certain blood pressure medications, such as ACE inhibitors or diuretics. For this reason, official regulatory documents advise caution when these medicines are used together. Official guidance emphasizes that monitoring of blood pressure is advised when these medicines are used together.


Q: Does Celebra affect kidney function over time?

Like other NSAIDs, this medicine is associated with a potential to cause or worsen kidney problems. This risk is greater for patients who are elderly, have pre-existing heart or liver dysfunction, or who are taking diuretics. For patients considered at risk, official guidance indicates that kidney function may need to be monitored.


Q: Can older adults use Celebra safely?

Official prescribing information indicates that use is permitted for older adults. However, regulatory documents also state that older adults are at a greater risk for serious side effects, particularly serious gastrointestinal bleeding. Regulatory guidance emphasizes that use requires caution, and the lowest effective dose is typically considered.


Q: Do you have to stop taking Celebra before surgery?

The medicine is contraindicated (is prohibited from being used) for the treatment of pain right before or immediately after CABG (Coronary Artery Bypass Graft) surgery. For other types of surgical procedures, patients should consult their healthcare provider for specific guidance.


Q: Can Celebra cause allergic reactions, and what do they look like?

Official product information confirms that serious allergic reactions (hypersensitivity) have been reported. Signs of an allergic reaction may include a skin rash, hives, swelling of the face, lips, or throat, or difficulty breathing. Regulatory documents indicate that the medicine should be stopped and a healthcare professional consulted at the first sign of a rash or other allergic symptom.


Q: Are there any food or drink restrictions while taking Celebra?

The official medication guide carries a strong regulatory warning about the consumption of alcohol with this medicine. Alcohol can significantly increase the risk of serious gastrointestinal side effects, including bleeding, ulcers, and perforation.


Q: Does Celebra affect blood clotting?

Unlike non-selective NSAIDs, regulatory studies indicate that Celebra does not significantly inhibit platelet aggregation (a key step in blood clotting) at approved doses. However, the entire NSAID class carries a regulatory warning regarding a potential risk of serious cardiovascular thrombotic events (blood clots).


Q: Can taking Celebra affect the results of blood tests?

Regulatory documents state that the medicine can potentially affect the results of certain blood tests. For instance, it may cause anemia or affect markers related to liver and kidney function. Official guidance indicates that a healthcare provider may monitor hemoglobin and hematocrit levels during long-term use, as appropriate.


Q: Does Celebra interact with common over-the-counter cold medicines?

The official medication guide warns against taking Celebra with any other non-aspirin NSAID, as this significantly increases the risk of side effects. Since many common over-the-counter cold and flu remedies contain these other NSAIDs, concurrent use is generally not recommended in official product information.


Q: Can I crush or split Celebra capsules?

Official administration instructions state that if a patient cannot swallow the capsule whole, the entire contents can be opened and emptied. This powder may then be mixed with a teaspoon of soft food, such as applesauce or yogurt, and it is intended to be consumed immediately with water.


Q: What does 'contraindication' mean in relation to Celebra?

According to authoritative medical sources, a contraindication refers to a specific condition or situation where a medicine is prohibited from being used because it carries a significantly increased risk of harm to the patient. For Celebra, contraindications include certain allergies or specific types of heart surgery.


Q: How quickly does Celebra typically start to work for arthritis pain?

Official product information indicates that for acute pain, relief may begin within the first few hours of taking the medicine. For chronic conditions such as arthritis, the maximum anti-inflammatory benefit may take up to several weeks to be fully realized.


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

Official patient instructions advise that if you miss a dose, regulatory instructions advise taking it as soon as you remember. If it is nearly time for your next scheduled dose, regulatory instructions state to skip the missed dose entirely and return to the regular schedule. The instructions explicitly state that two doses should not be taken at the same time to compensate.


Q: Are there any common vitamins or supplements that interact with Celebra?

Prescribing information advises caution with supplements that could affect kidney function or cause fluid retention, such as high-dose potassium supplements. Many herbal supplements may also contain ingredients that could potentially interact with NSAIDs.


Q: Is Celebra generally better tolerated by the stomach compared to naproxen?

Official summaries of clinical data indicate that Celebra is associated with a reduced incidence of certain gastrointestinal events (like ulcers and bleeds) compared to non-selective NSAIDs such as naproxen. The medicine's selective mechanism is considered the basis for this observation.


Q: How long does Celebra stay in your system?

Regulatory pharmacokinetic studies indicate the average time it takes for half of the medicine to be cleared from the body (known as the half-life) is about 11 hours in healthy adults. This measurement provides an estimate of how long the medicine remains in your system.


Q: What is the maximum duration for using Celebra according to official guidance?

Regulatory documents do not specify a single maximum duration for chronic use in adults. Instead, official guidance states that the medicine should be used at the lowest effective dose for the shortest possible duration necessary to manage the condition. This guidance is in place to minimize the risk of potential side effects.


Q: What are the restrictions on driving while using Celebra?

Official regulatory documents advise patients to be aware of how they react to the medicine before operating any machinery. If you experience side effects such as dizziness or drowsiness, regulatory documents state that if you experience such effects, driving or operating complex machinery should be avoided until the effects have completely passed.


Q: What happens if I take Celebra and then drink alcohol?

Official patient information carries a strong regulatory warning that drinking alcohol while using this medicine is associated with a significantly increased risk of serious gastrointestinal side effects. These risks include stomach bleeding, ulcers, and perforation.


Q: Is there an official patient information leaflet for Celebra?

Yes, regulatory bodies require that the medicine be dispensed with a Medication Guide or Patient Information Leaflet. This document provides important patient-friendly information, warnings, and instructions for the correct use of the medicine.


Q: Is it true that Celebra is available as a generic medicine?

Yes, the active ingredient in Celebra is celecoxib. The medicine is available as a generic formulation, in addition to the brand name Celebrex, as listed in official drug directories.


Q: Does Celebra interact with birth control pills?

Regulatory information for NSAIDs indicates a potential increased risk of VTE (venous thromboembolism or blood clots) when these medicines are taken with certain hormonal contraceptives (birth control pills). Consultation with a healthcare provider is recommended to evaluate the risks of this potential interaction.

How should Celebra be stored and disposed of?

The storage and disposal of Celebra (celecoxib) capsules must follow specific rules mandated by regulatory authorities to maintain product integrity and environmental safety.

Official Storage Conditions

Requirement Details
Temperature Store at Controlled Room Temperature: 20 C to 25 C (68 F to 77 F).
Protection Protect from excessive heat and excessive moisture.
Container Rule Keep the medicine in its original container.

Stability and Handling

If the capsule contents are mixed with applesauce, rice gruel, or yogurt, the mixture is stable for up to 6 hours under refrigeration (2 C to 8 C). Contents mixed with mashed banana must be ingested immediately and should not be stored. For safety, the medicine must be kept locked up and out of the sight and reach of children.

Disposal Requirements

Unused or expired Celebra must not be disposed of via household refuse or wastewater. Disposal should occur through a designated pharmaceutical waste take-back program or local pharmacy, as required by official local regulations.

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

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