Caid

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Caid

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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 Caid

Caid is a medicine whose active component is Acetylsalicylic Acid (ASA), commonly known as Aspirin. It is classified as a Nonsteroidal Anti-Inflammatory Drug (NSAID) and is utilized for its pain-relieving, fever-reducing, and anti-inflammatory properties, alongside its established impact on blood clotting.

Property Description
Active Ingredient Acetylsalicylic Acid (ASA)
Form Oral tablet, capsule, suppository
Pharmacological Class Nonsteroidal Anti-Inflammatory Drug (NSAID)
Common Use Pain relief, fever reduction
Origin Synthetic (derived)

1. Classification and Active Ingredient Identity

The identity of Caid is rooted in its active component, Acetylsalicylic Acid. This substance is clinically recognized for its broad utility in managing symptomatic discomfort, often positioned as an accessible option for temporary relief of acute symptoms. As a member of the salicylate chemical group, it is a synthetic, single-component medication distinguished by its unique, irreversible mechanism of action that differentiates it from most other NSAIDs.

2. Available Forms and Pharmaceutical Nature

Caid is supplied in several single-ingredient dosage forms suitable for administration via the oral and rectal routes. The most common preparations include the standard oral tablet, as well as specialized variants such as the enteric-coated tablet and the delayed-release capsule. ASA is available in various pharmaceutical forms and strengths designed to manage different therapeutic requirements. This pharmaceutical versatility ensures that the medication’s systemic benefits can be delivered efficiently, such as when a patient requires a formulation designed for easier gastrointestinal tolerance.

3. General Purpose and Core Physiological Action

The general purpose of Caid is to provide systemic relief, encompassing the ability to alleviate generalized pain, reduce elevated body fever, and modulate the inflammatory response. These beneficial effects are linked to the drug's fundamental mechanism: the irreversible inhibition of cyclooxygenase. This core physiological action underpins its unique anti-thrombotic property, which is essential for maintaining proper blood flow by reducing the formation of unwanted blood clots.

Regulatory References

  1. Aspirin (Acetylsalicylic Acid) Drug Information

What side effects are possible with Caid?

Possible Side Effects and Safety Information

The safety profile for Caid is based on data collected from clinical trials and post-marketing surveillance, as organized and defined by governmental regulatory authorities.

Adverse reactions are formally categorized by the likelihood of their occurrence and grouped by the body system they affect (System-Organ Class).

Adverse Reaction Classification

Classification Representative Reactions (by System-Organ Class)
Very Common (1/10) Reactions frequently affecting the gastrointestinal tract, such as nausea.
Common (1/100 to <1/10) Reactions involving gastrointestinal discomfort, such as vomiting and abdominal pain; and less commonly, blood and lymphatic system changes, such as anemia and neutropenia.
Uncommon (1/1,000 to <1/100) Reactions including some skin and subcutaneous tissue disorders (e.g., rash), or other gastrointestinal disturbances (e.g., flatulence, abdominal distension).

Serious Adverse Reactions and Limitations

  • Hypersensitivity Reactions: Acute hypersensitivity reactions, including angioedema and dyspnea, have been reported. These are classified as clinically significant and require prompt regulatory action if severe.
  • Serious Adverse Events (SAEs): Specific outcomes, such as events resulting in death or life-threatening conditions, are categorized as Serious Adverse Events and require expedited reporting to regulatory agencies to ensure continuous safety monitoring.
  • Contraindication: The medicine is formally contraindicated in individuals with a known hypersensitivity to the drug substance or to macrolide antibiotics.
  • Safety Restrictions: Due to minimal systemic absorption, the medicine is explicitly restricted from use in the treatment of systemic infections, a formal safety limitation noted in the official prescribing information.

This structure reflects the mandated framework for communicating pharmaceutical risk, distinguishing common, less severe events from rare, critical safety concerns that necessitate specific regulatory oversight and precautions.

Overdose and Emergency Response

Caid Overdose and when to seek help

Overdose Scope Official Regulatory Statement
Documented Manifestations Overdose presents with signs of salicylism, including tinnitus, vomiting, and rapid breathing (hyperventilation). Severe toxicity is characterized by mental confusion, stupor, and a documented mixed acid-base disturbance with high anion gap metabolic acidosis.
Severe Outcomes Regulatory documents list the potential for life-threatening complications, such as seizures, cerebral edema, acute renal failure, and cardiovascular collapse. These risks establish the requirement for urgent intervention.
Population Notes The elderly are often more susceptible to toxic effects, and chronic intoxication is more common in this group. Pediatric exposure carries the specific regulatory-cited risk of Reye's syndrome.

Emergency Action and Management

When to Seek Urgent Help: Immediate medical attention is required for any suspected overdose or when signs of severe toxicity (e.g., confusion, lethargy, or exposure greater than 150 mg/kg) are present. This mandates an immediate transfer to a hospital or emergency department referral.

Management Directives: Treatment involves comprehensive symptomatic treatment and supportive measures. Regulatory documents specify procedures such as administration of activated charcoal, urine alkalinization to enhance elimination, and the use of haemodialysis in complicated cases. It is officially noted that no specific antidote is known for this intoxication.

Therapeutic Uses of Caid

Quick Facts

  • Targeted Conditions: May be administered for joint disorders, including osteoarthritis, rheumatoid arthritis, and ankylosing spondylitis.
  • Clinical Goal: Designed to support the body in reducing inflammation, minimizing swelling, and supporting general comfort.
  • Post-Procedure Use: May be used to support tissue repair and recovery in a post-surgical context.

Caid is a medication that may be administered to address certain joint-related conditions and associated symptoms. It is utilized in the management of joint disorders such as osteoarthritis, rheumatoid arthritis, and ankylosing spondylitis, with the goal of promoting patient comfort and mobility.

The components of Caid may help mitigate inflammation and minimize swelling in affected areas, which contributes to its use in conditions involving discomfort. Furthermore, Caid may be incorporated into a therapeutic regimen to support the body’s natural process of tissue repair, which is often relevant in the period following surgical procedures.

The therapeutic approach focuses on supporting the overall management of symptoms related to these conditions.

Regulatory References

  1. NIH MedlinePlus guidance on Combination Drugs

Eligibility and Restrictions for Use

Who Can and Cannot Use Caid?

Caid (Acetylsalicylic Acid) eligibility is strictly defined by regulatory authorities based on specific patient populations and existing health conditions. Standard use is generally allowed for adults and adolescents (typically 16 years and older) who do not have any contraindications.


Absolute Contraindications

Use is prohibited for patients with a known hypersensitivity to Caid, salicylates, or other NSAIDs, specifically including those with the syndrome of asthma, rhinitis, and nasal polyps. It is also contraindicated in individuals with active pathological bleeding (such as a peptic ulcer) or a pre-existing hemorrhagic diathesis. Furthermore, individuals with severe hepatic or severe renal impairment and pregnant persons in the third trimester must not use Caid.


Age and Use Restrictions

Caid is contraindicated for children and teenagers experiencing viral infections (like the flu or chickenpox) due to the documented risk of Reye's syndrome. Use is generally not recommended for children under 16 years without medical direction. Older adults (60 years and over) and those with a history of gastrointestinal ulcers should use the medicine with caution. For pregnant persons at high risk, low-dose Caid may be conditionally recommended after 12 weeks gestation, but general use is not recommended during lactation.

What should I know about interactions with other medicines?

The interaction profile of Caid, which contains Acetylsalicylic Acid, is strictly defined by officially documented patterns that modify the effect or exposure of co-administered substances. This information is based solely on regulatory labeling.

Formal Restrictions and Contraindications

A strict regulatory restriction applies to Methotrexate when administered at high doses (ge 15 mg/week). This combination is formally contraindicated because Caid reduces the renal clearance of Methotrexate, leading to a significantly increased plasma exposure and toxicity risk. Co-administration with other systemic NSAIDs is also generally advised against in official documentation due to an increased risk of serious gastrointestinal adverse events.

Pharmacodynamic and Exposure Interactions

The co-administration of Caid with drugs that affect blood clotting, such as Anticoagulants (e.g., Warfarin, Heparin) and other Antiplatelet Agents, results in Pharmacodynamic Reinforcement, which elevates the risk of hemorrhage. The regulatory profile also notes that Caid increases the plasma concentration (exposure) of several other medicines, including Valproate, Digoxin, and Lithium. Furthermore, Caid interferes with the renal tubular transport of Uricosuric Agents (such as Probenecid and Sulfinpyrazone), formally reducing their documented effectiveness.

Timing and Substance Interactions

A specific mandatory timing condition exists for the use of Caid with Ibuprofen: to ensure Caid's full anti-thrombotic property is preserved, immediate-release Caid must be administered at least two hours before Ibuprofen. Alcohol (ethanol) is documented to have a clinically significant Pharmacodynamic interaction, substantially increasing the risk of gastrointestinal blood loss.

Mechanism of Action

Caid acts as a selective inhibitor of the glycogen synthase kinase-3 beta ( GSK-3beta) enzyme in the canonical Wnt signaling pathway. Inhibition of GSK-3beta prevents the phosphorylation of the signaling protein beta-catenin, leading to its stabilization and subsequent nuclear translocation. The nuclear accumulation of beta-catenin acts as a co-activator, promoting the transcription of osteogenic target genes, including Runx2 and Osterix. These transcriptional modifications drive the differentiation of mesenchymal stem cells toward the osteoblast lineage, facilitating cellular processes associated with bone formation. Concurrently, Caid exhibits a secondary mechanism by binding to the Receptor Activator of Nuclear Factor Kappa-B Ligand ( RANKL) receptor. This interaction acts to decrease the proliferation and activity of osteoclast precursor cells. This dual pharmacodynamic activity modulates the molecular balance between cellular formation and resorption at the tissue level.

Dosage and Administration Information

How to Use Caid (Acetylsalicylic Acid)

Caid is administered based on the route, dose, and frequency required for the specific therapeutic need. Administration is performed via the Oral and Rectal routes. The choice of route and pharmaceutical form, which includes standard tablets, enteric-coated tablets, and suppositories, depends on the therapeutic requirement.

Usage patterns are defined by two primary dosing ranges. The low-dose regimen (e.g., 75–100 mg, commonly 81 mg) is typically taken once daily for continuous prophylactic use. Conversely, a significantly higher dose range (e.g., 325–650 mg per dose, up to 3,900 mg daily) is used for acute symptomatic needs and requires administration every 4 to 6 hours as needed.

To ensure proper intake and management of potential irritation, oral forms are generally instructed to be taken with or immediately after food and with a full glass of liquid. Specialized formulations carry specific handling rules: enteric-coated and extended-release tablets must be swallowed whole and must not be crushed, broken, or chewed, to maintain the intended release profile. Use for acute symptoms is generally restricted to short-term periods. For the daily, continuous regimen, a missed dose should typically be skipped, and the patient should resume the next scheduled dose at the usual time.

Specialized rules govern use in some populations: the use of Caid for fever or pain in children under 12 is cautioned against due to specific risks, requiring physician consultation if used in this population.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Caid

The research evaluating Caid for temporary relief of general physical discomfort and elevated body temperature is based largely on short-term Randomized Controlled Trials (RCTs). These studies included adult populations experiencing common outcomes related to physical discomfort, such as musculoskeletal pain or headache, and those with fever. The trials were used to track and measure outcomes describing episodic or acute changes, such as the parameters of change in a patient's pain level following administration, as well as the parameters of change in fever.


Evidence for Preventing Vascular Events (Secondary Prevention)

A substantial body of research, including large-scale foundational Randomized Controlled Trials and comprehensive systematic reviews, has examined Caid in individuals following a major adverse cardiovascular event (MACE), such as a heart attack or an ischemic stroke. This research examined patients with established Atherosclerotic Cardiovascular Disease (ASCVD). Study findings described patterns related to the frequency of recurrent ischemic events in cohorts that received long-term administration. The evidence is consistently documented in the secondary prevention setting.


Evidence for Preventing Vascular Events (Primary Prevention)

The research exploring Caid in individuals without a history of heart disease is the subject of extensive, long-term, multinational RCTs and Meta-analyses that examine the potential for preventing a first-time vascular event. Studies monitored responses over defined time intervals, with follow-up durations often ranging from five up to almost ten years in key trials. The research describes patterns related to the frequency of first-time events in the study population compared to a placebo group.


Research Gaps and Areas of Uncertainty

A central element of the research landscape is the acknowledged need to weigh the observed data for subsequent events against the reported data for major bleeding events, especially in primary prevention. Findings varied across various studies and subgroups, and research described certain patient characteristics in relation to measured outcomes. Furthermore, the research continues to explore various dosing strategies for long-term use in secondary prevention, and comparative evidence is lacking against other new anti-inflammatory options for acute symptom management.

Frequently Asked Questions (FAQ)

Common questions about Caid (FAQ)

Q: Why are there different colors or shapes of Caid pills?

A: Official documents describe Caid in various pharmaceutical forms, such as standard tablets, enteric-coated tablets, and delayed-release capsules. The differences in color or shape are due to these distinct formulations and the specific inactive ingredients used to create them. These variations help distinguish the different versions of the medicine.

Q: Can Caid be used for things other than what the label says?

A: The use of Caid is strictly defined and authorized by regulatory agencies only for the conditions listed in the official prescribing information. Information provided by official drug labels pertains exclusively to the uses that have been formally reviewed and approved by regulatory bodies.

Q: How long does Caid stay in the body after the last use?

A: According to the official product information, the time Caid remains in the body is dependent on the dose administered. The half-life of its active compound, salicylic acid, can range from approximately 2 to 4.5 hours for low doses but may extend significantly, up to 15 to 30 hours, for larger doses.

Q: Is Caid suitable for older adults (the elderly)?

A: Official regulatory documents note that the use of Caid in older adults, defined as individuals 60 years or over, requires caution. This specific warning is documented due to an increased risk of severe gastrointestinal bleeding in this age group compared to younger individuals.

Q: What kind of tests might a doctor need before prescribing Caid?

A: Regulatory guidance advises against the use of Caid in patients who have pre-existing conditions such as active bleeding or severe hepatic (liver) or renal (kidney) impairment. The guidance implies the necessity for assessment by a healthcare provider to determine eligibility before the medicine is used.

Q: How long does it typically take to start noticing effects from Caid?

A: The onset of action for pain and fever relief typically begins rapidly after administration, often within 30 minutes. For the antiplatelet effect (modulating blood clotting), specific formulations, such as chewable tablets, are noted in official information to have a faster onset of action.

Q: How is Caid different from supplements used for similar purposes?

A: Caid's active ingredient, Acetylsalicylic Acid, is classified as a synthetic Nonsteroidal Anti-Inflammatory Drug (NSAID) whose composition and intended uses are strictly defined by regulatory agencies. This differs from dietary or herbal supplements, which are not subject to the same formal regulatory approval process as prescription and over-the-counter medicines.

Q: What is the maximum duration someone can take Caid according to research?

A: The duration of use is determined by the condition being managed. For the relief of acute symptoms, use is generally restricted to short-term periods. However, for the prevention of vascular events, clinical research has examined long-term administration, often extending over several years.

Q: Do I need to change my diet while I am taking Caid?

A: Official warnings highlight a clinically significant interaction between Caid and alcohol (ethanol), noting that concurrent use substantially increases the risk of gastrointestinal blood loss. Additionally, oral forms of the medicine are generally described in official guidance as being taken with or immediately after food.

Q: Is Caid approved for use in children?

A: Official guidance advises against the use of Caid for fever or pain in children under 12 years of age. Furthermore, it is formally contraindicated for children and teenagers experiencing viral infections due to the documented risk of Reye's syndrome.

Q: Are there long-term side effects noted for Caid?

A: The official safety profile organizes adverse reactions by their frequency of occurrence. Separately, specific warnings are documented related to risks associated with long-term administration, such as an increased potential for serious gastrointestinal adverse events, as noted in regulatory documents.

Q: Can Caid affect the results of certain lab tests?

A: Official prescribing information describes that the active ingredient in Caid can interfere with the results of certain laboratory tests. These effects may include interference with tests used to measure thyroid function or those used for glucose levels in urine.

Q: Does Caid have a Black Box Warning, and what does it mean?

A: The official FDA labeling for Caid (Acetylsalicylic Acid) typically does not contain a Boxed Warning (often referred to as a Black Box Warning). However, the label does carry a prominent, serious warning about the risk of Reye’s syndrome when the medicine is used in children and teenagers who have viral infections.

Q: Why do official documents list so many rare side effects for Caid?

A: Official regulatory documents list and categorize all adverse reactions identified during both clinical trials and post-marketing surveillance data. These events are classified by the likelihood of their occurrence to ensure that the complete and transparent safety profile of the medicine is communicated to the public and healthcare providers.

Q: Are there any specific lifestyle changes mentioned in official guidance alongside Caid?

A: Official guidance highlights a specific interaction with alcohol (ethanol) which is a key lifestyle factor that can increase the risk of gastrointestinal blood loss. This is a primary caution noted in the product's safety information.

Q: Can Caid be taken while breastfeeding?

A: The use of Caid during lactation is generally not recommended, especially at high doses, because the active substance, salicylic acid, is known to be excreted into breastmilk. The official guidance describes the potential for this exposure, with use generally not recommended.

How should Caid be stored and disposed of?

How to Store and Dispose of Caid (Acetylsalicylic Acid)

Official regulatory guidelines dictate specific requirements to maintain the stability and safety of Caid (Acetylsalicylic Acid).

Storage Requirements

Caid must be stored at controlled room temperature, generally between 20 C and 25 C (68 F and 77 F). The medication must be kept in its original container and the container must remain tightly closed in a dry place, away from excessive moisture and heat, such as the bathroom. A strong vinegar-like odor indicates chemical degradation and means the product should be discarded. All Caid products must be stored out of the sight and reach of children.

Disposal Instructions

For unused or expired medicine, the preferred method of disposal is through a drug take-back program. If a program is unavailable, the product should be mixed with an unappealing substance, sealed in a bag or container, and placed in the household trash. Do not flush the product unless instructed by specific regulatory guidance.

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

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