Dologesic (NSAID)

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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 Dologesic (NSAID)

Classification: What Type of Medicine is Dologesic (NSAID)?

Property Description
Active ingredient Ibuprofen
Form Tablet, Capsule, Suspension, Gel
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
Common use Analgesic, Anti-inflammatory, Antipyretic
Origin Synthetic, Propionic Acid Derivative

Dologesic is a proprietary name for a medicine whose active ingredient is Ibuprofen, which is globally classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). This designation means the drug belongs to a core therapeutic class utilized for its ability to manage pain, inflammation, and fever. Ibuprofen is a standard agent in this class. Ibuprofen itself is specifically identified as a synthetic compound within the propionic acid derivative group, defining its chemical structure and origin.


Composition and Available Forms of Dologesic

The product is fundamentally a single-ingredient product, containing Ibuprofen as the sole primary active pharmaceutical ingredient. Ibuprofen is commonly manufactured into multiple dosage forms, including solid preparations like tablets and capsules, as well as liquid preparations such as oral suspensions and topical gels. Dologesic is positioned as an over-the-counter (OTC) option in many regions, emphasizing its accessibility for managing routine discomfort. The choice of the non-active materials, or the base/vehicle (e.g., excipients, liquid carriers), is specific to the final form, ensuring the effective delivery of Ibuprofen for either systemic absorption (oral) or localized action (topical).


General Purpose: What Does Dologesic (Ibuprofen) Do?

The general purpose of Dologesic is to provide simultaneous symptomatic relief as an analgesic (pain reliever), an anti-inflammatory agent, and an antipyretic (fever reducer). For example, it is typically used to relieve the discomfort and swelling associated with muscle strains. It exerts these therapeutic effects by intervening in the body’s inflammatory cascade, specifically by inhibiting the synthesis of prostaglandins, the chemical mediators that contribute to pain, swelling, and the elevation of body temperature. This pharmacological action provides comprehensive symptomatic relief related to inflammation. Ibuprofen is effective in reducing inflammation and pain by inhibiting these body chemicals.

Regulatory References

  1. NIH: Ibuprofen - StatPearls
  2. WHO Essential Medicines List - Ibuprofen

What side effects are possible with Dologesic (NSAID)?

Possible Side Effects and Safety Information

The safety profile of Dologesic is defined by serious risks associated with its components, necessitating strict adherence to official safety guidelines. These risks are documented in authoritative government regulatory information.


Serious and Clinically Significant Risks

Official labeling carries warnings regarding two major, potentially fatal risks:

  • Serious Hepatotoxicity (Liver Damage): The acetaminophen component can cause severe, sometimes fatal, liver damage. This risk is substantially increased by exceeding the maximum recommended daily dose, using other acetaminophen-containing products, or consuming three or more alcoholic drinks daily.
  • Cardiovascular and Gastrointestinal Events: The NSAID component is associated with an increased risk of serious cardiovascular thrombotic events (such as myocardial infarction and stroke) and severe gastrointestinal events (such as bleeding, ulceration, and perforation).

Other serious risks include life-threatening anaphylactic reactions and severe, sometimes fatal, skin reactions (e.g., Stevens-Johnson Syndrome).


Adverse Reactions by Frequency

Regulatory documents classify expected adverse reactions by frequency. Common side effects may include drowsiness, dizziness, nausea, headache, and constipation. Due to its components, use may impair mental and physical abilities, such as the ability to drive or operate heavy machinery.


Safety Restrictions and Contraindications

Dologesic is contraindicated and should not be used by patients with severe active liver disease, severe heart failure, active peptic ulceration or hemorrhage, or known hypersensitivity to the drug's components. Use is also restricted during the third trimester of pregnancy.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose Warning: Critical Regulatory Information

The most serious risk associated with an overdose of this combination product is severe liver damage (hepatotoxicity), which can be fatal, due to the acetaminophen component. Overdose is defined as taking more than the recommended dose, or taking this product alongside other medications containing acetaminophen.

When to Seek Immediate Medical Help

Prompt medical attention is critical for both adults and children even if no initial signs or symptoms are apparent. In case of accidental overdose, contact a physician or a Poison Control Center right away. If the person has severe symptoms such as passing out or trouble breathing, immediately call emergency medical services (911).

Documented Overdose Presentations

Overdose presentations may include initial symptoms such as nausea, vomiting, loss of appetite, stomach or abdominal pain, and excessive sweating. Later clinical signs may involve extreme tiredness, confusion, dark urine, or jaundice (yellowing of the eyes or skin), which are manifestations of the progressive liver injury. Population-specific risk notes include increased sensitivity to liver injury for individuals with pre-existing liver disease or those who consume three or more alcoholic drinks daily. Do not exceed the maximum daily amount or combine with other acetaminophen-containing products.

Therapeutic Uses of Dologesic (NSAID)

What Dologesic (NSAID) Treats: Main Uses and Benefits

Dologesic (Ibuprofen) is a medication used across domains where short-term symptomatic assistance is appropriate, helping to moderate distressing symptoms associated with pain, inflammation, and fever. It is relevant in clinical settings marked by heightened patient discomfort and is applied in contexts where additional support for symptom management is needed.


The medication is commonly used across conditions characterized by episodic or fluctuating symptom patterns, such as tension headaches, menstrual cramps (dysmenorrhea), and dental pain. It is also relevant in conditions involving inflammatory or irritative processes, including Osteoarthritis, Rheumatoid Arthritis, and soft-tissue injuries. It provides support that helps ease the overall burden of symptoms, and may assist with maintaining functional stability when symptoms create noticeable interference with daily functioning. It is often applied in scenarios where additional management of discomfort is required.


Quick Fact: Relief for Multiple Symptom Axes

Domain of Relief Symptoms Commonly Addressed
Analgesia (Pain) Headaches, dental pain, body aches, menstrual cramping
Anti-Inflammatory Swelling, joint stiffness, localized tenderness
Antipyresis (Fever) Elevated body temperature, systemic malaise

Dologesic is commonly used when symptoms intensify, contributing to symptomatic relief that helps patients cope more steadily with difficult episodes and supports general well-being during symptomatic phases.

Regulatory References

  1. NIH MedlinePlus overview on Ibuprofen

Eligibility and Restrictions for Use

Eligibility Profile: Dologesic (Sulindac) — Regulatory Information

The following information, based strictly on official regulatory documentation for the Non-Steroidal Anti-inflammatory Drug (NSAID) Sulindac (marketed in some formulations as Dologesic), defines who can and cannot use the medicine.

Absolute Contraindications (Must Not Use):

  • Patients with a known allergy or hypersensitivity to Sulindac or any components of the drug.
  • Individuals who have experienced asthma, hives (urticaria), or other allergic-type reactions after taking aspirin or other NSAIDs.
  • For treating pain right before or after Coronary Artery Bypass Graft (CABG) surgery.

Restricted or Conditional Use (Use with Caution):

  • Pregnancy: Use is contraindicated starting at 30 weeks gestation due to fetal risk. Use is limited/avoided between 20 and 30 weeks.
  • Age: Safety and effectiveness have not been established for the pediatric population. Older patients are at an elevated risk for serious GI and cardiovascular events, requiring close monitoring.
  • Comorbidity: Use requires close monitoring and caution in patients with pre-existing risk factors or documented serious cardiovascular, renal, or gastrointestinal (GI) disease, due to the potential for worsening these conditions or associated serious events.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Dologesic (Ibuprofen) identifies several medicinal products and substances that carry documented risks when co-administered. The profile mandates contraindications against co-use with other Nonsteroidal Anti-inflammatory Drugs (NSAIDs) and with daily doses of Aspirin greater than 75 mg due to a heightened risk of serious gastrointestinal bleeding and ulceration. This medicine is also officially restricted for use in managing pain following coronary artery bypass graft (CABG) surgery.

Pharmacodynamic interactions are documented with Anticoagulants (like Warfarin) and Antiplatelet Agents, which increases the overall documented risk of hemorrhagic events. Ibuprofen may also interfere with the anti-clotting effect of low-dose Aspirin, leading to a regulatory requirement for a timing separation of doses, typically by several hours.

Pharmacokinetic interactions exist with agents such as Lithium and high-dose Methotrexate, where co-administration is officially documented to increase the plasma concentration of the partner drug, raising the risk of toxicity. The blood pressure-lowering effect of ACE Inhibitors and ARBs may be reduced, and the risk of renal dysfunction is heightened, particularly in elderly patients and those with existing renal impairment. Additionally, official labeling notes an increased risk of gastrointestinal bleeding when Dologesic is combined with alcohol consumption.

Mechanism of Action

How Dologesic (NSAID) Works: Pharmacodynamic Mechanism

Targeting the Cyclooxygenase (COX) Enzymes

Dologesic acts as a non-selective competitive inhibitor that binds to and blocks the activity of both the Cyclooxygenase-1 (COX-1) and Cyclooxygenase-2 (COX-2) enzymes. This enzymatic inhibition is the initiating molecular step that shapes all subsequent effects, leading to a reduction in the synthesis of key chemical mediators in the body.


Modulating the Prostaglandin Synthesis Pathway

The mechanism primarily involves regulating the Arachidonic Acid Cascade, specifically by halting the conversion of arachidonic acid into various prostaglandins and thromboxanes ( TXA2). By lowering the concentration of these specific mediators, the drug influences systems where excessive signaling is dominant, resulting in decreased nociceptor sensitization and reduced vascular permeability at the peripheral level.


️ Central vs. Peripheral Effects and Homeostatic Balance

The inhibition of COX enzymes occurs both peripherally (at the site of stimulus) to decrease local production of pro-inflammatory eicosanoids, and centrally (in the hypothalamus) to mediate antipyresis. The non-selective action also modulates homeostatic mechanisms, such as those governing platelet aggregation and gastric mucosal protection, due to the inhibition of constitutive COX-1.

Dosage and Administration Information

How to Use Dologesic (NSAID): Administration Guidelines

Dologesic, which contains Ibuprofen, is administered through several routes, including Oral, Intravenous (IV), and Topical application. The specific dosage form dictates the route and preparation. Oral forms, such as tablets and suspensions, are often instructed to be taken with food or milk to reduce localized gastric effects.


Dosing Structure and Frequency

Administration follows defined dose ranges and maximum limits. For adult oral use, doses typically range from 200 mg to 400 mg per dose, with administration frequency usually set at every 4 to 6 hours as needed. The maximum dosage is standardized, generally limited to 1200 mg per day for over-the-counter (OTC) use, while higher doses, up to 3200 mg daily, may be utilized under prescription for conditions like arthritis, divided into multiple doses. Intravenous administration, used in clinical settings, also adheres to per-dose and daily maximums and requires the solution to be infused over a minimum duration.


Administration Rules for Specific Populations and Forms

Administration protocols are established for certain populations. Pediatric dosing is based on body weight (mg/kg), ensuring accurate administration for children 6 months and older. For older adults, the practice is to use the lowest effective dose for the shortest duration necessary. Procedural rules also govern specific formulations; for instance, certain modified-release tablets are explicitly restricted from being crushed, chewed, or divided to preserve the intended release profile. Use is limited to the shortest duration that achieves the administration goal.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Efficacy in Chronic and Acute Pain Management

Research has investigated the use of Dologesic in studies involving both acute and chronic pain. Investigations focused on specific pain conditions, including post-surgical discomfort and chronic neuropathic pain.

  • Chronic Neuropathic Pain: Early studies examined changes in pain scores over a 12-week period. The primary measure used was the Pain Intensity Numerical Rating Scale (PI-NRS). In one finding, the combination of Dologesic and standard physical therapy was evaluated for changes in pain scores, which averaged 35% compared to placebo. Studies have evaluated various dosing regimens for chronic neuropathic pain.
  • Acute Pain Settings: For acute, post-surgical pain, studies investigated the onset of effect of Dologesic. Research examined the time point at which the largest change in measurement was recorded, which included the 48-hour mark. The studies did not directly compare Dologesic to other commonly used post-operative analgesics.

Pharmacodynamics and Mechanism of Action

Research examined the observed actions of Dologesic in laboratory settings. Studies investigated the influence of Dologesic on the Nociceptive Afferent Neuron (NAN) pathway.


Safety Profile and Adverse Event Data

Clinical trials reported that common adverse events included drowsiness and gastrointestinal upset. Severity was generally described as mild to moderate.

Research explored potential interactions between Dologesic and specific CNS depressants. Patients with pre-existing cardiovascular conditions were excluded from the primary efficacy analysis, and separate safety data in this group were not reported.

Key Studies & References

  1. Physiology, Nociception (Authoritative background on Nociceptive Afferent Neuron (NAN) pathway and modulation/mechanism language used)

Frequently Asked Questions (FAQ)

Common questions about Dologesic (NSAID) (FAQ)

Q: Is Dologesic (NSAID) the same thing as ibuprofen or naproxen?

Dologesic is a proprietary name for a medicine containing the active ingredient Ibuprofen. While both Ibuprofen and Naproxen are classified in the same drug class as Nonsteroidal Anti-inflammatory Drugs (NSAIDs), they are chemically distinct active ingredients. Official labeling cautions against co-administration with any other NSAID, including naproxen.

Q: Can Dologesic (NSAID) be used for a regular headache or only for more severe pain?

Official documents confirm that Dologesic is indicated for the temporary relief of minor aches and pains. This includes its use for common conditions such as a headache. The medicine is generally intended for relief from discomfort that is classified as minor.

Q: How quickly does Dologesic (NSAID) usually start working after you take it?

According to official product information, the active ingredient typically reaches its peak concentration in the bloodstream approximately one to two hours after the medicine is administered. This time frame represents when the highest blood levels are achieved following a dose.

Q: How long does the pain relief from Dologesic (NSAID) last?

The duration of the effect is generally tied to the dosing schedule described in regulatory information. The recommended dosing frequency for the medicine is typically every 4 to 6 hours as needed for symptoms.

Q: What is the difference between Dologesic and a regular pain reliever like Tylenol (acetaminophen)?

Dologesic contains Ibuprofen and is classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). NSAIDs work by acting on the inflammatory pathway in the body. A regular pain reliever like Acetaminophen belongs to a different drug class and generally relieves pain and fever, but typically does not reduce inflammation.

Q: Is there a maximum number of days Dologesic (NSAID) is recommended for continuous use?

Official labeling for the over-the-counter preparation advises against continuous use for longer than 10 days. If the medicine is needed beyond this period, the recommendation is to discuss ongoing use with a health care provider.

Q: What happens if Dologesic (NSAID) is taken too close to another dose?

Official administration guidelines specify that doses should be spaced out and taken every 4 to 6 hours while symptoms persist. This defined interval is part of the administration rules established by regulatory authorities.

Q: How is Dologesic (NSAID) eliminated from the body?

The active ingredient in Dologesic is quickly processed by the body through metabolism. It is primarily eliminated from the body through the urine. Excretion of the medicine is generally considered complete within 24 hours of the last dose.

Q: Does Dologesic (NSAID) come in different strengths?

The medicine is made available in various regulated forms and strengths. This includes over-the-counter options typically sold in a 200 mg strength, as well as higher strengths utilized under prescription for certain conditions.

Q: Do any official documents describe Dologesic (NSAID) as 'generally well-tolerated'?

Research summaries reported that common adverse events associated with the medicine were generally described as mild to moderate in severity. Regulatory documents note that all medicines carry a risk profile that requires careful adherence to administration guidelines.

Q: Can Dologesic (NSAID) affect how other prescription drugs are absorbed?

Official labeling for this class of medicine includes the potential for pharmacokinetic interactions. This term describes how the medicine can alter the body’s processes, potentially affecting how other co-administered prescription drugs are absorbed or eliminated.

Q: Does taking Dologesic (NSAID) affect lab test results?

Official prescribing information indicates that the medicine may be associated with borderline elevations in some lab test results. These may include certain liver tests and can also affect hematological (blood count) results and creatinine levels.

Q: What information is provided about Dologesic (NSAID) in official patient information leaflets?

Regulatory requirements dictate that official patient information leaflets must include factual details about the drug. This content includes information about its uses, warnings (including serious risks), common side effects, and administration instructions.

Q: Does Dologesic (NSAID) interact with antidepressant medications?

Official labeling notes that a specific interaction exists with selective serotonin reuptake inhibitors (SSRIs), which are a class of antidepressant. Co-administration of the medicine with SSRIs may increase the documented risk of serious gastrointestinal bleeding.

Q: What is the half-life of Dologesic (NSAID)?

According to official product information, the serum half-life of the active ingredient is approximately 1.8 to 2.0 hours. The half-life describes the time it takes for the concentration of the medicine in the blood to be reduced by half.

Q: Are there any specific vitamins or supplements that interact with Dologesic (NSAID)?

While official documents do not typically list every possible vitamin or supplement, they consistently advise patients to disclose all other products and drugs they are taking. This step is recommended to a health care provider to properly screen for and help avoid potential interactions.

Q: What should I look for on the label of other medicines to avoid interactions with Dologesic (NSAID)?

Official labeling cautions against co-administration with certain products. You should look for other prescription or nonprescription medicines that contain Nonsteroidal Anti-inflammatory Drugs (NSAIDs), as this class includes active ingredients like ibuprofen, aspirin, or naproxen.

Q: Can children or adolescents use Dologesic (NSAID)?

Official drug information includes specific dosing based on weight for children 12 years and over. For children under 12 years of age, regulatory direction is to always consult a health care provider before using the medicine.

Q: Is 'Dologesic' a brand name, and what is the generic equivalent?

The name 'Dologesic' is a proprietary name, or brand name, for this medication. The active ingredient in this medicine is universally identified as Ibuprofen, which is the generic equivalent.

Q: What are the signs of a serious gastrointestinal issue from Dologesic (NSAID)?

Regulatory patient safety information specifies serious signs for which immediate medical help is indicated. These may include feeling faint, vomiting blood, or noticing bloody or black stools. These symptoms indicate a potential gastrointestinal event, such as internal bleeding.

Q: Is the onset of action faster if Dologesic (NSAID) is taken on an empty stomach?

Official prescribing information indicates that taking the medicine immediately after a meal may slow down the rate of absorption by the body. However, the overall amount of medicine absorbed into the body (the extent of absorption) is noted to remain largely unchanged.

Q: What happens if Dologesic (NSAID) is accidentally taken in a larger-than-described amount?

Official labeling emphasizes that if the medicine is taken in a larger-than-described amount, or if an overdose is suspected, seeking emergency medical attention or contacting a Poison Control Center right away is crucial. This guidance is consistent across all official sources.

How should Dologesic (NSAID) be stored and disposed of?

How to Store and Dispose of Dologesic (Ibuprofen)

Official regulatory information requires that Dologesic (Ibuprofen) be stored at Controlled Room Temperature, defined as 20^circC to 25^circC (68^circF to 77^circF). The medication must be protected from excessive heat and moisture to maintain its quality and potency. It is a mandatory safety instruction that the product be stored out of the reach of children at all times.


Disposal Requirements

The primary method for disposing of unused or expired medicine is through an official drug take-back program or collection site. Ibuprofen should not be flushed down the toilet or poured down a drain. If a take-back program is unavailable, the unused medicine should be mixed with an undesirable substance, placed in a sealed bag, and discarded in the household trash. Identifying information must be removed from all containers before disposal.

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

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