Skelan

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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 Skelan

Skelan is a pharmaceutical preparation containing the active ingredient Naproxen Sodium, which belongs to the therapeutic class of Non-Steroidal Anti-Inflammatory Drugs (NSAIDs). It is utilized for its capacity to reduce inflammation, alleviate pain, and manage fever. This drug is a synthetic, single-ingredient product designed for oral administration.

Property Description
Active ingredient Naproxen Sodium
Form Film-Coated Tablet
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID)
Common use Symptomatic relief of pain, inflammation, and fever
Origin Synthetic

What Type of Medicine is Skelan? (Classification and Origin)

Skelan is classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID). This pharmacological classification identifies the medication as an anti-inflammatory analgesic that works by interrupting the body’s inflammatory response. The compound is entirely synthetic in origin, developed through chemical synthesis. Its NSAID status indicates that the primary mechanism involves reducing the chemical mediators that cause inflammation and pain.

What is Skelan Made Of and What is its Form? (Composition and Delivery)

The active ingredient is Naproxen Sodium, which is the sodium salt of naproxen, a member of the arylacetic acid group of NSAIDs. The use of the sodium salt in Skelan is a key differentiating feature as it promotes enhanced water solubility compared to the acid form. This is designed to facilitate quicker absorption from the gastrointestinal tract, supporting a rapid onset of relief. Skelan is typically manufactured as an oral Film-Coated Tablet, combining the active ingredient with solid excipients for the oral route of administration.

What is the General Purpose of Skelan? (High-Level Benefit)

The general therapeutic purpose of Skelan is to provide broad symptomatic relief by leveraging its three core actions: anti-inflammatory, analgesic (pain relief), and antipyretic (fever reduction) properties. Due to the intrinsic long half-life of Naproxen Sodium, Skelan is recognized for providing sustained symptomatic relief. This multi-target function means that the drug is principally intended to soothe physical discomfort by reducing swelling and alleviating tenderness.

Regulatory References

  1. MedlinePlus Drug Information

What side effects are possible with Skelan?

Possible Side Effects and Safety Information

Skelan, which contains Naproxen/Naproxen Sodium, is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). Its official safety profile, as documented by regulatory agencies, is structured around critical warnings, common adverse events, and restrictions for specific populations.

Serious Adverse Event Warnings

Official regulatory documents include prominent warnings regarding two categories of serious, potentially fatal health risks:

  • Cardiovascular Thrombotic Events: NSAIDs may increase the risk of serious events like myocardial infarction (heart attack) and stroke. This risk can occur early in treatment and may increase with higher doses and longer duration of use. The medicine is contraindicated (should not be used) during the period immediately before or after coronary artery bypass graft (CABG) surgery.
  • Gastrointestinal (GI) Adverse Events: NSAIDs carry an increased risk of serious GI events, including bleeding, ulceration, and perforation of the stomach or intestines. These events can occur without warning symptoms at any time during use. The risk is higher in elderly patients and those with a prior history of peptic ulcer disease or GI bleeding.

Common Adverse Reactions

The most commonly reported side effects, as categorized by frequency in clinical trials, often involve the gastrointestinal and nervous systems. These frequently include indigestion, heartburn, abdominal pain, nausea, headache, and dizziness.

Population-Specific Safety Considerations

  • Pregnancy: Use of Skelan is generally not recommended in pregnancy. It is officially advised to avoid use from 30 weeks gestation and later due to the risk of premature closure of the fetal ductus arteriosus. Use is limited between 20 and 30 weeks gestation due to the risk of fetal kidney dysfunction.
  • Elderly Patients: Older adults are at a greater risk for serious adverse reactions, particularly fatal GI bleeding and perforation. Caution is necessary, and use should generally involve the lowest effective dose for the shortest duration.
  • Renal/Hepatic Impairment: Avoidance is generally advised in patients with advanced renal disease. Monitoring of kidney and liver function is necessary for patients with existing impairment.

Overdose and Emergency Response

Overdose and When to Seek Help

Skelan (Naproxen Sodium) overdose may present with documented manifestations such as nausea, vomiting, abdominal pain, and epigastric distress. Central Nervous System (CNS) effects, including drowsiness, disorientation, and confusion, along with tinnitus (ringing in the ears), are also officially noted in regulatory documents.

Overdosage carries the risk of severe, life-threatening outcomes affecting critical organ systems. These include severe gastrointestinal bleeding, ulceration, perforation, and acute kidney failure. Extreme CNS effects such as seizures and coma have been reported.

Regulatory guidance mandates that individuals seek immediate medical attention for any suspected overdosage. Urgent medical help must be sought immediately if severe symptoms occur, such as signs of GI bleeding (e.g., bloody or black stools, vomiting blood) or signs indicative of a heart attack or stroke (e.g., chest pain, slurred speech).

Management of overdosage is symptomatic and supportive, as no specific antidote is known. This management requires monitoring of vital signs and may include procedures like the administration of activated charcoal. Regulatory notes indicate that elderly patients and individuals with pre-existing organ impairment (renal, hepatic) are at an increased risk of severe outcomes.

Therapeutic Uses of Skelan

What Skelan Treats: Main Uses and Benefits

Skelan is commonly used in therapeutic areas involving certain distressing symptoms, specifically pain, inflammation, and fever. The medication is relevant in contexts marked by increased discomfort or tension, and may assist with the symptomatic relief across domains involving inflammatory or irritative processes. This information aligns with the established therapeutic areas for the medication.


Quick Facts

  • Acute Relief: Relevant in clinical settings that involve acute or unstable symptom patterns, such as those related to migraines and menstrual cramps.
  • Chronic Support: Applied in conditions involving inflammatory or irritative processes, including rheumatoid arthritis and osteoarthritis.
  • Symptom Domain: Supports the patient during difficult episodes by easing distress associated with physical trauma or minor procedures.

Symptomatic Scope

Skelan is relevant in clinical settings that involve acute or unstable symptom patterns, which may assist with symptom clusters that may become intense or disruptive. It is often used when symptoms intensify and supportive relief is needed, contributing to improved comfort during periods of heightened symptoms. The medication supports a more manageable experience, which helps ease the impact of symptoms on routine activities and general comfort. This applies to conditions characterized by periods of heightened symptoms, which include pain associated with toothache and discomfort following physical trauma.

Eligibility and Restrictions for Use

Who can and cannot use Skelan? (Official Regulatory Information)

Eligibility for Skelan (Naproxen Sodium) is strictly defined by government regulatory documents, focusing on populations for whom use is prohibited or requires special caution due to elevated risk.

Absolute Contraindications

Use is prohibited for individuals with:

  • Known hypersensitivity or allergic-type reactions (e.g., aspirin-sensitive asthma) to any NSAID, including naproxen.
  • Active or a history of recurrent peptic ulceration or gastrointestinal hemorrhage.
  • Severe heart failure, severe hepatic impairment, or severe renal impairment (creatinine clearance <30 mL/min).
  • The third trimester of pregnancy or in the setting of coronary artery bypass graft (CABG) surgery.

Conditional Use and Restrictions

Use is restricted and requires caution or dose adjustment for other populations:

  • Age Restrictions: Safety and efficacy are not established for children under two years of age. Older adults (geriatric patients) require a lower effective dose due to increased risk of adverse events.
  • Organ Status: Patients with mild to moderate hepatic impairment, moderate renal impairment, or non-severe heart failure should use the medicine only with close medical monitoring.
  • Reproductive Status: The medicine is not recommended for women who are actively attempting to conceive, and use is generally avoided during breastfeeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Skelan (Naproxen Sodium) has officially documented interaction patterns that primarily relate to altered clearance of co-administered medicines and heightened risks from additive effects. All stated interaction constraints are based on formal regulatory documentation.

Contraindicated Combinations and Restrictions

Co-administration with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) or analgesic aspirin doses is restricted due to the cumulative risk of serious adverse effects. Use is formally contraindicated immediately before or after Coronary Artery Bypass Graft (CABG) surgery. Additionally, the medication is contraindicated for 8 to 12 days following the administration of Mifepristone.

Pharmacokinetic and Pharmacodynamic Effects

Interacting Substance Official Interaction Description
Anticoagulants (e.g., Warfarin), SSRIs/SNRIs Enhances the risk of bleeding due to additive antiplatelet effects.
Lithium, Methotrexate, Digoxin May lead to increased plasma concentrations of these drugs due to decreased elimination or reduced renal clearance.
ACE Inhibitors, ARBs, Diuretics May diminish the anti-hypertensive or diuretic effect of these medicines.
Probenecid Increases naproxen plasma levels and extends its half-life by decreasing clearance.

Consumption and Population Notes

The consumption of three or more alcoholic drinks daily is officially documented to increase the risk of gastrointestinal bleeding. In high-risk patients, such as the elderly or those with renal impairment, co-administration with ACE Inhibitors/ARBs is associated with a higher risk of deterioration of renal function.

Mechanism of Action

Reversible Blockade of the Cyclooxygenase (COX) Enzymes

The mechanism of Skelan, driven by Naproxen Sodium, initiates at the molecular level by reversibly inhibiting the activity of two enzymes: Cyclooxygenase-1 ( COX-1) and Cyclooxygenase-2 ( COX-2). This interaction is competitive, preventing the enzymes from converting Arachidonic Acid into chemical messengers known as prostanoids, primarily Prostaglandin E2 ( PGE2). This blockade suppresses the synthesis of mediators that influence nociceptive signaling and thermoregulation.


️ Modulation of Nociception and Thermoregulatory Pathways

The subsequent reduction in PGE2 leads to two core physiological adjustments: a reduction in peripheral nociceptor excitability and a central resetting of the hypothalamic temperature control center. This mechanism results in altered activity within nociceptive and thermoregulatory pathways, directly influencing the local tissue environment and central nervous system control. The molecular consequence is a suppression of mediators, not a modification of the fundamental disease process.

Dosage and Administration Information

How to Use Skelan

Skelan, which contains Naproxen Sodium, is administered exclusively via the oral route as tablets or oral suspension. The specific pattern of use—including dose and frequency—is determined by the clinical scenario, adhering to the principle of utilizing the lowest effective dose for the shortest duration necessary.


Dosing Patterns

Administration follows distinct schedules for chronic versus acute needs. For long-term symptomatic relief of chronic conditions, such as rheumatoid or osteoarthritis, the standard total daily dose is typically 500 mg to 1000 mg, administered in two divided doses. For intense, short-term symptoms, such as acute pain or dysmenorrhea, treatment usually begins with a higher initial dose of 550 mg, followed by smaller doses of 275 mg every 6 to 8 hours as needed, with the daily dose generally not exceeding 1375 mg.


Administration Requirements

For improved tolerability, Skelan should be taken with or immediately after food and swallowed with a full glass of water. Certain formulations, such as delayed-release or extended-release tablets, must be swallowed whole and must not be crushed, chewed, or split, as this alters the drug's intended release profile. If a dose is missed, it is typically advised to take it as soon as remembered; however, if it is near the time for the next scheduled dose, the missed dose should be skipped to avoid taking a double dose.


Population-Specific Adjustments

Dose modifications are utilized for specific patient populations. Older adults should typically receive the lowest available dose due to altered pharmacokinetics. Similarly, patients with documented impaired renal or hepatic function may require a dose reduction. Weight-based dosing, typically 10 mg/ kg daily in divided doses, applies to the pediatric treatment of juvenile arthritis.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Skelan

Skelan, which contains Naproxen Sodium, was studied for several conditions characterized by fluctuating or episodic manifestations and outcomes related to physical discomfort. The research base is comprised of different types of clinical investigations, including Randomized Controlled Trials (RCTs), which utilize control groups to examine symptom patterns, and longer-term observational studies.


Evidence for Use in Chronic Inflammatory Conditions

Research has examined how symptoms evolved in the observed populations in conditions marked by functional limitations, such as Osteoarthritis (OA) and Rheumatoid Arthritis (RA). These studies utilized RCTs comparing the medicine to either an inactive placebo or an active comparator. Research explored outcomes reflecting daily functioning or activity level, as well as patient-reported outcomes describing perceived discomfort.

Studies monitored specific metrics, such as standardized scores for pain intensity and examined measurements of joint stiffness and swelling. Findings describe patterns observed in the studies where participants in the active medicine arms reported specific changes measured during the study period in these symptomatic scores. However, the existing research provides limited information on whether the medicine affects the underlying progression of the disease or structural damage to the joints.


Evidence for Use in Acute Pain and Inflammatory Flares

Skelan was evaluated in settings involving sudden or acute changes in symptoms, such as post-operative pain or specific musculoskeletal injuries. For general acute pain, research explored short-term symptom changes using single-dose, placebo-controlled RCTs. The key outcomes describing episodic or acute changes included the measurement of changes in pain scores over a few hours and the tracking of time until patients required rescue medication.

Data show patterns related to the studied acute pain model. Research highlighting changes measured during the study period was compared to placebo. For conditions like acute episodes of Gout, Tendinitis, and Bursitis, studies explored objective changes in joint inflammation and subjective pain severity. The follow-up durations were limited in many acute trials, meaning that data for certain groups regarding multi-day treatment regimens remain insufficient.

Key Studies & References Naproxen (MedlinePlus Drug Information)

Frequently Asked Questions (FAQ)

Common questions about Skelan (FAQ)


Q: How quickly is Skelan expected to start working?

A: Official labeling indicates the active ingredient is absorbed quickly, with onset of pain relief generally observed within about one hour. The medicine reaches its peak concentration in the bloodstream within one to two hours after administration.


Q: Is Skelan the same type of medicine as [similar drug name], and what is the difference?

A: Skelan is classified as a non-selective Non-Steroidal Anti-Inflammatory Drug (NSAID), meaning it works by inhibiting both COX-1 and COX-2 enzymes. Official documentation indicates that the active ingredient has a relatively long elimination half-life, which contributes to its sustained effect. Regulatory documents also note that safety profiles and half-lives can vary between different NSAID medicines.


Q: Can Skelan be stopped suddenly, or does it require tapering?

A: Official prescribing information does not require a tapering schedule for discontinuation. However, the decision to discontinue the medicine is typically made in consultation with a healthcare provider.


Q: What should be done if a minor side effect from Skelan is experienced?

A: If a patient experiences minor side effects, official safety documentation generally advises them to contact their doctor or pharmacist. This allows for professional assessment of the symptoms and appropriate general guidance.


Q: Are there any dietary restrictions or foods to avoid while taking Skelan?

A: Official information does not list specific foods to avoid while using the medicine. However, taking the medicine with food is generally mentioned as a way to potentially improve tolerability and reduce the risk of gastrointestinal (GI) upset.


Q: Can Skelan be taken with vitamins or herbal supplements?

A: Official patient counseling guidelines state that patients should inform their healthcare provider about all vitamins, minerals, and herbal supplements they are taking. This is necessary because some of these products may potentially interact with the active ingredient.


Q: Is Skelan a controlled substance?

A: The active ingredient, Naproxen Sodium, is classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID) and is not designated as a controlled substance by regulatory agencies.


Q: Why do some people say Skelan made them feel drowsy?

A: Drowsiness, medically referred to as somnolence, is a central nervous system side effect that is commonly reported in official documentation. This is an expected effect for a subset of patients using the medicine.


Q: What is the risk of dependence or addiction with Skelan?

A: Skelan belongs to the NSAID class of medicines. The active ingredient is not associated with any risk of dependence or addiction.


Q: What should I tell my dentist or surgeon about before a procedure if I take Skelan?

A: It is important for all healthcare providers to be informed about the use of this medicine before any surgical or dental procedure. Regulatory labeling specifically notes that the medicine is contraindicated immediately before or after coronary artery bypass graft (CABG) surgery due to the risk of bleeding.


Q: Can I drive a car or operate machinery while taking Skelan?

A: Patient safety information mentions that activities requiring alertness, such as driving or operating machinery, should be avoided until the patient is aware of the medicine's effects. This guidance is due to the reported risk of dizziness or drowsiness.


Q: Does Skelan have to be taken at a specific time of day?

A: Dosing instructions specify the required interval between doses (for instance, every 12 hours) and do not mandate a specific time of day, such as morning or evening, for administration.


Q: Where can I find the official prescribing information for Skelan?

A: The official regulatory document that contains the full details about the medicine is called the Full Prescribing Information (US) or Summary of Product Characteristics (EU). These documents are published on the websites of regulatory bodies like the FDA or EMA.


Q: What should I do if I think I'm having a serious interaction with another medicine and Skelan?

A: Official patient counseling states that immediate medical attention should be sought if symptoms of a serious adverse event or suspected dangerous interaction occur. This includes seeking emergency help if symptoms are severe or life-threatening.


Q: What factors might make Skelan less effective for a person?

A: Labeling indicates that taking the medicine with food may delay the rate of drug absorption. Furthermore, official research has noted that certain patient genetic factors can influence how the medicine is metabolized and ultimately cleared from the body.


Q: What is the main reason doctors prescribe Skelan?

A: The medicine’s official indications are for the management of pain, fever, and inflammation. This includes symptoms associated with chronic conditions like rheumatoid arthritis and osteoarthritis, as well as acute conditions such as gout and menstrual cramps.


Q: Is Skelan considered a long-term or short-term medicine?

A: Skelan has dosing schedules outlined for both short-term acute conditions and for the long-term management of chronic inflammatory diseases. Official labeling highlights the principle of using the lowest effective dose for the shortest duration necessary.


Q: What are the official approved uses for Skelan?

A: The medicine's official indications include the symptomatic relief of mild to moderate pain, inflammation, and fever. Specific indications referenced in regulatory documents are rheumatoid arthritis, osteoarthritis, acute gout, tendinitis, bursitis, and primary dysmenorrhea.


Q: How long does the effect of one dose of Skelan typically last?

A: The active ingredient has a relatively long elimination half-life, typically between 12 and 17 hours. This sustained effect supports the dosing strategy outlined in the regulatory instructions.


Q: Is there a generic version of Skelan available?

A: Yes, the active ingredient, Naproxen Sodium, is available as a generic medicine. It is marketed and sold under various different brand names, in addition to Skelan itself.


Q: Are there any side effects of Skelan that can happen later, after long-term use?

A: Official warnings state that the risk of serious adverse events, including gastrointestinal bleeding, perforation, and cardiovascular thrombotic events (such as heart attack or stroke), may increase with higher doses and longer duration of use.


Q: Is it common for people to feel nauseous when they first start Skelan?

A: Nausea is listed in official documentation as a common side effect, with an incidence rate typically between 3–9%. Regulatory guidance often suggests taking the medicine with food to potentially help reduce this and other common gastrointestinal symptoms.


Q: What does the research say about the effectiveness of Skelan?

A: Clinical studies indicate changes in pain and inflammation scores in certain types of acute and chronic pain conditions. For example, in acute pain studies, the active treatment groups showed a sustained pain relief effect when compared to placebo groups.


Q: How should a patient know if Skelan is working for them?

A: Clinical studies track efficacy using patient-reported outcomes. These measures include observed changes in pain intensity, reduction in measured joint stiffness, and decrease in general swelling.


Q: Does Skelan change the way other medicines are absorbed in the body?

A: Labeling indicates that the rate of absorption may be affected by food intake. Furthermore, the absorption of the active ingredient may be reduced by specific co-administered medicines.


Q: Why is Skelan not recommended for people with a history of [contraindication listed in core text]?

A: The medicine is not recommended for certain patients because regulatory documents show an increased risk of serious health consequences in these groups. These consequences include potentially life-threatening cardiovascular events and severe gastrointestinal bleeding.


Q: Are there any known long-term effects of Skelan on the heart?

A: Long-term use, especially at high doses, may increase the risk of serious cardiovascular events like heart attack and stroke. Official warnings also note that the medicine may cause sodium retention, which is associated with increased blood pressure.


Q: Is Skelan still being actively researched for its uses?

A: Official regulatory documents refer to the existing research base and often note areas where clinical data remains limited for certain populations or conditions. This typically suggests a continued need for investigation and review of the drug's properties.


Q: Why is my doctor asking about my full medical history before prescribing Skelan?

A: A detailed medical history is necessary to screen for known risk factors and existing conditions that are linked to serious adverse events with this class of medicine. This includes pre-existing heart disease, history of GI bleeding, and kidney impairment.


Q: What is the official definition of a 'serious' side effect of Skelan?

A: Serious adverse events, as described in official warnings, are those that are potentially life-threatening or result in hospitalization or persistent disability. Examples cited include myocardial infarction (heart attack), stroke, and gastrointestinal perforation.

How should Skelan be stored and disposed of?

Storage and Disposal Requirements

Skelan (Naproxen Sodium) must be stored according to regulatory specifications to maintain its stability. Tablets must be kept at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F). The container must be kept tightly closed and the product protected from light and moisture. Excessive heat must be avoided, and the medicine should not be refrigerated. It is a mandatory requirement to store Skelan out of the reach of children.

For disposal, unused or expired Skelan should not be flushed down the toilet. The preferred method is to utilize a community drug take-back program. If a take-back program is unavailable, the tablets must be mixed with an undesirable substance and sealed in a container for disposal in the household trash, in accordance with local regulations.

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

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