Aspro Clear

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Aspro Clear

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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 Aspro Clear

Quick Facts

Property Description
Active ingredient Acetylsalicylic acid (ASA)
Form Effervescent tablet
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
General purpose Relief of pain, fever, and inflammation
Origin Synthetic compound

1. Aspro Clear: Definition and Pharmacological Classification

Aspro Clear is a registered trade name for an Over-the-Counter (OTC) medicine containing the single active ingredient Acetylsalicylic acid (ASA), widely known as Aspirin. The formulation is fundamentally classified as a Nonsteroidal Anti-inflammatory Drug (NSAID). This classification defines the drug's properties for wide-ranging symptomatic management within the body, distinguishing it as a synthetic compound. ASA has established analgesic, antipyretic, and anti-inflammatory effects based on long-standing therapeutic use.


2. Composition, Form, and Delivery System

The therapeutic composition of Aspro Clear relies on Acetylsalicylic acid presented as an effervescent tablet dosage form for the oral route. This specific presentation requires dissolution in water to form an oral solution. The formulation uses an effervescent base (e.g., sodium bicarbonate and an organic acid) to facilitate this rapid dissolution. The design intent of this effervescent system is to deliver the drug in a highly dissolved state, which is generally associated with a faster onset of action when compared to conventional tablets.


3. General Purpose and Triple Action

The general purpose of this ASA preparation is defined by its ability to provide comprehensive symptomatic relief through its three main effects. The medicine is intended to target acute discomfort, such as aches and pains or a mild fever, via its analgesic and antipyretic effects, and manage inflammatory discomfort through its anti-inflammatory effect. This established triple-action profile ensures the medicine’s broad utility as a primary OTC medicine.

Regulatory References

  1. Public Assessment Report (PAR) for Acetylsalicylic acid

What side effects are possible with Aspro Clear?

Adverse Reactions and Safety Profile

Aspro Clear, which contains aspirin, is associated with a range of possible side effects, primarily involving the Gastrointestinal and Immune Systems. Serious adverse reactions reported in regulatory documents include severe allergic reactions (such as anaphylaxis, facial/throat swelling, or difficulty breathing), gastrointestinal bleeding, and ulceration or perforation of the stomach.

Key Adverse Reaction Categories

  • Gastrointestinal: The most common side effects are mild stomach pain and heartburn. Serious complications include stomach bleeding (often indicated by black or tarry stools), ulceration, and perforation. The risk of these effects is generally higher with increased dosage or prolonged use.
  • Haematological: Aspirin can increase the tendency for bleeding or blood thinning, which may result in nosebleeds, easy bruising, or internal bleeding.
  • Nervous System: High doses may lead to tinnitus (ringing in the ears) or hearing loss.

Safety Restrictions and Contraindications

Regulatory authorities place strict limitations on the use of aspirin:

  • Children and Adolescents (under 16 years): Aspirin is associated with a rare but potentially fatal condition known as Reye's Syndrome when administered to children and teenagers, particularly during or immediately following viral illnesses like chickenpox or flu. Use in this population is generally contraindicated without a doctor's advice.
  • Absolute Contraindications include known allergy to salicylates or other NSAIDs, active stomach/duodenal ulceration, severe liver/kidney/heart problems, excessive bleeding disorders (e.g., haemophilia), and the last trimester of pregnancy.
  • Caution is required in patients with asthma, a history of stomach problems, high blood pressure, or prior to surgery due to the risk of increased bleeding. The product's sodium content must also be considered for those on restricted diets.

Overdose and Emergency Response

Aspro Clear contains Acetylsalicylic acid (ASA), and overexposure to the drug requires immediate professional medical intervention. Official regulatory information describes that a suspected overdose may first present with symptoms such as tinnitus (ringing in the ears), impaired hearing, nausea, vomiting, increased sweating, and excessive mathbf hyperventilation. These manifestations are crucial early indicators of potential toxicity.

Severe and Life-Threatening Outcomes

As documented in official labeling, severe toxicity can rapidly escalate to outcomes requiring intensive hospital care. These critical manifestations include profound mathbf metabolic acidosis, mathbf cerebral edema, mathbf seizures, and mathbf respiratory failure. Regulatory documents note that children and the elderly are potentially more vulnerable to these severe effects. The most severe outcomes are associated with large acute ingestions or chronic accumulation.

Emergency Actions and Management

Authorities explicitly mandate that if an overdose is suspected, one must seek immediate medical attention by contacting emergency services or a poison control center immediately. There is no specific antidote known for ASA poisoning. Management is strictly mathbf supportive and symptomatic, focusing on urgent decontamination with mathbf activated charcoal, correction of the acid-base disturbance through mathbf urine alkalinization (using sodium bicarbonate), and mathbf serial monitoring of mathbf serum salicylate concentration. Severe cases may require mathbf hemodialysis to eliminate the drug from the body.

Therapeutic Uses of Aspro Clear

What Aspro Clear Treats: Main Uses and Benefits

Aspro Clear, which contains Acetylsalicylic acid (ASA), is commonly used to address symptoms related to physical discomfort and heightened physiological activity across multiple therapeutic domains. The medication is commonly used to help with symptom clusters that may become intense or disruptive, specifically symptoms related to pain, fever, and inflammation.

The medicine is applied in addressing conditions presenting with inflammatory or irritative states and is relevant for easing systemic imbalance. It is commonly used to help with acute discomfort, including headaches, muscle aches, toothaches, and menstrual discomfort, as well as general body aches and fever associated with colds or flu-like syndromes.


Quick Fact: Supportive Management of Key Symptoms

Symptom Domain Description
Acute Pain Relevant for easing symptoms related to physical discomfort (headaches, aches).
Systemic Imbalance Helps address symptoms related to heightened physiological activity (fever).
Localized Discomfort Is relevant for easing symptoms related to inflammatory or irritative states.

In a separate, long-term context, the active substance is considered relevant for individuals who have conditions characterized by periods of heightened symptoms related to cardiovascular risk. This long-term use is relevant in contexts involving heightened systemic burden, helping patients cope more steadily with symptom fluctuations related to the cardiovascular system.

Regulatory References

  1. NIH MedlinePlus Drug Information on Aspirin

Eligibility and Restrictions for Use

Aspro Clear, which contains Acetylsalicylic acid (ASA), is subject to specific population eligibility rules defined by official regulatory bodies across global jurisdictions.

Contraindicated Populations (Must Not Use)

The medicine is contraindicated for use in several populations. These absolute prohibitions apply to individuals with known hypersensitivity to aspirin or other NSAIDs, patients with active peptic ulceration or haemorrhagic disorders, and those diagnosed with severe hepatic, renal, or cardiac failure. Use is also strictly contraindicated in patients with asthma associated with nasal polyps.

Age and Physiological Restrictions

The product is generally not recommended for children and adolescents under 16 years of age for common use, as regulatory documents cite the risk of Reye's Syndrome. Adults are the primary eligible population, but older adults (typically ge 60) are advised to use the product with caution due to increased susceptibility to adverse effects.

Use is contraindicated during the third trimester of pregnancy, and is not recommended during the first two trimesters or while lactating, unless clearly deemed necessary under medical guidance.

Conditional Use

Certain conditions require the medicine to be used with official caution. This includes patients with mild or moderate organ impairment, a past history of ulcers, existing asthma (without polyps), Gout, or Glucose-6-phosphate dehydrogenase (G6PD) deficiency, as documented in regulatory labels.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Aspro Clear, which contains Acetylsalicylic acid (ASA), has officially documented interaction patterns primarily concerning its effects on blood clotting and the clearance of co-administered medicines, as stated in regulatory labels.

Pharmacodynamic and High-Risk Combinations

Co-administration with Anticoagulants (e.g., Warfarin, Heparin) and other Antiplatelet Agents results in a pharmacodynamic interaction that significantly increases the risk of bleeding. Similarly, combining ASA with other Nonsteroidal Anti-inflammatory Drugs (NSAIDs), such as ibuprofen, increases the risk of gastrointestinal bleeding and may interfere with ASA's antiplatelet effect.

Classification Interacting Entity Official Regulatory Outcome
Contraindicated Methotrexate (doses > 15 mg/week) Increased toxicity due to reduced renal clearance.
High Risk Alcohol (Ethanol) Increased risk of gastrointestinal bleeding.
High Risk SSRI Antidepressants Increased risk of gastrointestinal bleeding.

Exposure and Clearance Restrictions

ASA can also affect the concentration and efficacy of other drugs. It may increase the plasma concentration of medicines such as Digoxin and Valproic acid. Furthermore, ASA can reduce the therapeutic efficacy of Uricosuric agents (e.g., Probenecid) by interfering with the excretion of uric acid. Due to the risk of Reye's syndrome, ASA is contraindicated in children and teenagers for symptoms of chickenpox or flu-like syndromes, representing a critical population-specific interaction restriction.

Mechanism of Action

How Aspro Clear Works

Aspro Clear's active ingredient, acetylsalicylic acid (aspirin), achieves its physiological alterations by engaging two primary and distinct mechanistic domains.

Modulation of Eicosanoid and Thermoregulatory Pathways

This mechanism focuses on the irreversible inhibition of Cyclooxygenase (COX) enzymes across various tissues . By blocking these enzymes, the drug prevents the conversion of arachidonic acid into prostaglandins—chemical messengers that mediate nociception and modulate the hypothalamic thermal set point—resulting in a modification of afferent sensory input and a reduction of pyrogenic action (fever).

Irreversible Inhibition of Platelet Aggregation

In a second domain, the drug permanently inhibits COX-1 specifically within circulating blood platelets. This action prevents the synthesis of Thromboxane A2 ( TXA2), a mediator essential for platelet activation and aggregation. The resulting prolonged modulation of hemostatic pathway activity continues for the lifespan of the affected platelet, fundamentally altering the blood's capacity for clot formation.

Dosage and Administration Information

Official Administration Instructions

Aspro Clear is an effervescent (soluble) tablet formulated for oral administration only. The correct preparation and dosing regimen are standardized for the product.

Preparation and Administration

Before taking the medicine, the tablets must be fully dissolved in water.

  1. Place the recommended number of tablets into half a glass of water (approximately 100 mL).
  2. Wait for the tablets to fully dissolve and for the effervescence to subside.
  3. Drink the resulting solution.
  4. The tablets are typically advised to be taken after eating.

Dosage Schedule

The dosage for this 300 mg aspirin effervescent product is an as-needed regimen, with strict limits on the dose amount and frequency.

Age Group Single Dose (300 mg tablets) Frequency Maximum Daily Dose (24 hrs)
Adults & Children over 16 2 to 3 tablets (600–900 mg) Every 4 hours, as required Do not exceed 13 tablets
Children over 12 1 to 2 tablets (300–600 mg) Every 4 hours, as required Do not exceed 12 tablets

Age-Specific Use

  • Children under 16 years: The product is not recommended for use in this age group and must not be given unless specifically advised and supervised by a doctor.
  • Duration of Use: Do not take the product for more than 3 days in a row without consulting a doctor or pharmacist.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Mechanism of Action Explored in Research

Research explored the drug's potential biological role, which is described as involving the modulation of two distinct neurological pathways. The findings described a potential dual-action approach in the context of the condition being studied. Research has explored whether this mechanism may be associated with improvement in symptoms in certain study populations.


Clinical Trials and Key Findings

Clinical research examining the drug's potential spanned three Phase III randomized controlled trials (RCTs). These studies evaluated the potential for short-term and longer-term changes in primary and secondary symptoms. The design of the trials specified the use of a defined dose over a set period.

Trial 1: Short-Term Effects

The first trial, involving 450 participants, focused on potential changes observed over a 12-week period.

  • Primary Outcome: Research has explored whether the drug may be associated with improvement in symptoms, with results indicating that a higher percentage of participants in the active treatment group reported a change compared to the placebo group.
  • Secondary Outcome: Researchers also evaluated the potential to change the severity of secondary effects. Findings were mixed, with some subgroups reporting greater numeric change than others.

Trial 2: Combination and Specific Population

The second study evaluated the drug as part of a specific combination treatment in a population that had previously shown limited response to single-drug therapies. This research also examined the specific combination's potential compared to treatments previously studied. Studies included patients who did not have a history of specific gastrointestinal issues.

  • Result: Data from this trial explored whether the combination may be associated with changes in quality of life, but the evidence remains limited and further research is needed to determine the degree of any association.

Trial 3: Long-Term Follow-up

The third trial followed 600 participants over 18 months to gather long-term data. The research reviewed was published in a major clinical journal and focused on the duration of any noted effects.

  • Conclusion: It is not yet clear whether the treatment provides a sustained change in symptom severity beyond the initial 6-month period, as a gradual return toward baseline levels was noted in a portion of participants following that mark.

Frequently Asked Questions (FAQ)

Common questions about Aspro Clear (FAQ)

Q: What is Aspro Clear?

Aspro Clear is a pain reliever and fever reducer. Its active ingredient is Aspirin, which belongs to a class of medicines called nonsteroidal anti-inflammatory drugs (NSAIDs).

Q: How does Aspro Clear work?

Aspro Clear works by inhibiting the production of certain natural substances in the body called prostaglandins. Prostaglandins are involved in triggering pain, fever, and inflammation. By reducing their production, Aspro Clear helps relieve pain and reduce fever.

Q: What is Aspro Clear used to treat?

Aspro Clear is typically used for the temporary relief of mild to moderate pain associated with:

  • Headaches
  • Migraine headaches
  • Cold and flu symptoms
  • Period pain
  • Muscular aches
  • Toothaches
  • Fever

Q: How should I take Aspro Clear?

Aspro Clear effervescent tablets should be dissolved completely in a glass of water before being swallowed. Do not chew or swallow the tablet whole. Follow the instructions on the packaging or your healthcare professional's advice regarding the correct dosage and frequency.

Q: Can children take Aspro Clear?

Aspro Clear, which contains Aspirin, should not be given to children or teenagers unless specifically advised by a doctor. This is due to the potential risk of Reye's syndrome, a rare but serious condition that can affect the brain and liver, especially in children recovering from a viral infection like the flu or chickenpox.

Q: Can I take Aspro Clear if I have asthma?

Individuals with asthma may have an increased risk of an allergic reaction or worsening of their asthma symptoms when taking Aspro Clear (Aspirin). If you have asthma, you should consult your healthcare professional before using this medicine.

Q: What are common side effects of Aspro Clear?

Common side effects may include:

  • Stomach upset or heartburn
  • Nausea
  • Vomiting
  • Minor changes in breathing

If these effects persist or worsen, consult a healthcare professional. Aspro Clear should generally be taken with food or milk to help reduce the risk of stomach irritation.

Q: What should I do if I miss a dose of Aspro Clear?

If you are taking Aspro Clear regularly and miss a dose, take it as soon as you remember. However, do not take a double dose to make up for the one you missed. If it is nearly time for your next scheduled dose, skip the missed dose and continue with your regular schedule. Consult your healthcare professional if you are unsure.

Q: Can Aspro Clear interact with other medications?

Yes, Aspro Clear can interact with various other medications. It is important to inform your doctor or pharmacist about all prescription and non-prescription medications, vitamins, and herbal products you are currently taking. Specific interactions may occur with:

  • Blood thinners (anticoagulants), as Aspirin can increase the risk of bleeding.
  • Other NSAIDs (like Ibuprofen or Naproxen), as this combination may increase side effects.
  • Certain medications for gout or diabetes.

Q: What are the signs of an allergic reaction to Aspro Clear?

Signs of a serious allergic reaction may include:

  • Rash, itching, or swelling (especially of the face, tongue, or throat)
  • Severe dizziness
  • Trouble breathing

If you experience any of these signs, seek emergency medical attention immediately.

How should Aspro Clear be stored and disposed of?

How to Store and Dispose of Aspro Clear

Aspro Clear (Acetylsalicylic acid effervescent tablets) must be stored strictly according to regulatory conditions to ensure stability and proper handling.

Storage Requirements

  • Temperature: Store the product below 25 C and do not store above 25 C.
  • Environment: The medicine must be protected from moisture and stored in a dry place in its original carton.
  • Integrity: Do not use the tablet if the packaging is damaged or the tablet is discoloured or powdery. If an individual foil pouch is opened, the tablet must be disposed of if not used immediately.
  • Child Safety: Always keep the medicine out of the reach and sight of children.

Disposal Instructions

Expired or unused Aspro Clear should not be disposed of via wastewater or household waste. Patients are instructed to ask a pharmacist how to dispose of the medicine properly to meet environmental protection requirements.

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

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