Farmasal

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Farmasal

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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 Farmasal

Farmasal is a pharmaceutical preparation whose primary active ingredient is Acetylsalicylic Acid (ASA), internationally recognized as Aspirin. This substance is formally classified as a Nonsteroidal Anti-inflammatory Drug (NSAID) and is included in the World Health Organization's Model List of Essential Medicines.


Quick Facts

Property Description
Active Ingredient Acetylsalicylic Acid (ASA)
Form Tablet (Standard, Enteric-coated), Capsule, Suppository
Pharmacological Class Nonsteroidal Anti-inflammatory Drug (NSAID)
Common Use Symptom relief for pain, fever, and inflammation
Origin Synthetic Compound (Salicylate derivative)

What Type of Medicine is Farmasal? (Definition and Classification)

Farmasal is chemically defined as a salicylate derivative, a compound produced via chemical synthesis. The Acetylsalicylic Acid component functions by inhibiting the synthesis of certain natural messengers in the body, which are responsible for pain, fever, and inflammation. This mechanism places the drug within the NSAID class. Furthermore, its efficacy is clinically recognized for the ability to inhibit cyclooxygenase (COX) enzymes, which are critical for the production of prostaglandins, thereby reducing inflammation and pain. Uniquely among many other NSAIDs, it also serves as an effective Antiplatelet Agent due to its specific, irreversible effect on platelet function, establishing a dual therapeutic identity.

Composition, Origin, and Available Forms

The core of Farmasal is the single active ingredient, Acetylsalicylic Acid, which is a synthetic compound. The medicine is frequently available in specific formulations, such as enteric-coated tablets, designed to protect the gastrointestinal lining by delaying the release of the ASA until the tablet reaches the small intestine. The common dosage forms are intended for oral administration, including standard tablets, the specialized enteric-coated tablets, and capsules. Less common forms, such as suppositories, also exist for a rectal route of administration, offering an alternative delivery method.

General Purpose and Therapeutic Profile

The general purpose of Farmasal is to alleviate common symptoms related to inflammatory processes and discomfort. Its pharmacological actions provide three core benefits: it functions as an analgesic for the relief of general aches and pains, an antipyretic for the reduction of elevated body temperature, and an anti-inflammatory agent to mitigate swelling. For example, it is typically used for general relief from temporary headaches or minor muscle pain. Complementing these actions is its generalized utility as an anti-thrombotic or antiplatelet agent, which contributes to maintaining the necessary fluidity of blood circulation. This comprehensive profile is aligned with established pharmacological principles and long-standing clinical practice.

Regulatory References

  1. World Health Organization's Model List of Essential Medicines
  2. NIH StatPearls Acetylsalicylic Acid
  3. National Institutes of Health/MedlinePlus

What side effects are possible with Farmasal?

Possible Side Effects and Safety Information

The safety profile for Farmasal, as documented in official government regulatory sources, is organized by the frequency and type of adverse reactions observed in clinical trials and post-marketing experience.

Commonly Reported Adverse Reactions

Adverse reactions classified as Very Common (occurring in more than 1 in 10 patients) or Common (occurring in up to 1 in 10 patients) generally involve Gastrointestinal disorders (such as abdominal pain, nausea, or diarrhea) and Nervous system disorders (including headache).

System-Organ Class Groupings:

Side effects are officially grouped by the body system affected. Major system-organ classes involved include:

  • Gastrointestinal disorders
  • Nervous system disorders
  • Skin and subcutaneous tissue disorders (e.g., rash)
  • Metabolism and nutrition disorders

Serious Adverse Reactions and Restrictions

The official labeling highlights several serious adverse reactions that are documented to occur rarely but are clinically significant. These include severe hypersensitivity reactions (such as acute intolerance syndrome), and specific organ toxicities like renal impairment (including interstitial nephritis and renal failure) and hepatic failure.

Safety-Related Limitations:

Regulatory documents define specific contraindications (conditions where the medicine must not be used) which often include known hypersensitivity to the drug or its components. Special Warnings and Precautions for Use also apply to certain patient groups, such as those with pre-existing hepatic or renal impairment, requiring careful evaluation and monitoring before and during treatment.

Overdose and Emergency Response

Farmasal Overdose and When to Seek Help

This information is based strictly on the Overdose/Emergency sections of government-approved regulatory labeling and prescribing information.

Documented Overdose Manifestations

Regulatory documents specify that overdose with Farmasal may result in severe manifestations primarily affecting the Central Nervous System (CNS) and cardiovascular system. Reported signs and symptoms include profound somnolence, disorientation, confusion, and CNS depression that can rapidly progress to a comatose state. Cardiovascular effects may involve significant hypotension and changes in cardiac rhythm, and respiratory compromise, including respiratory depression, has been observed.

Required Emergency Action

Immediate medical help must be sought in all cases of suspected or confirmed overdose. Contact a poison control center immediately, even if the person appears well.

Regulatory guidance states that treatment is primarily symptomatic and supportive. Specific clinical interventions required may include maintaining a patent airway, monitoring vital signs, and ensuring adequate ventilation. The utility of specific decontamination procedures (e.g., activated charcoal) depends on the time elapsed since ingestion. If a specific drug antagonist is available, its use would be detailed in the official prescribing information.

Serious Outcomes and Population Notes

The most serious outcomes documented include respiratory failure, severe hemodynamic instability, and death. Special observation may be required for prolonged periods due to the potential for delayed toxicity or the formulation's extended release profile. In the pediatric population, ingestion of even a small number of units may carry an increased risk of severe toxicity.

Therapeutic Uses of Farmasal

Farmasal's Primary Uses and Therapeutic Benefits

Farmasal is commonly used in situations involving certain distressing symptoms. It may be part of symptomatic management to provide short-term support when symptoms cause noticeable discomfort or functional strain. Its therapeutic application is considered relevant in conditions characterized by periods of heightened symptoms.

Farmasal is applied in addressing symptom clusters that may become intense or disruptive, such as symptoms related to physical discomfort, systemic imbalance, or heightened physiological activity. It is relevant in contexts where short-term symptom management is appropriate, particularly for conditions involving episodic or fluctuating manifestations where symptoms may intensify temporarily.

“Farmasal helps to maintain a sense of stability when symptoms are more noticeable, supporting the patient during difficult episodes.”

Quick Fact: Relief for Episodic Discomfort

Farmasal provides support that helps ease the overall symptom burden in settings where symptoms become momentarily overwhelming. It is often used during phases when symptoms become more noticeable and supportive relief is needed.


Key Therapeutic Domains

Farmasal is commonly used to help with managing episodic symptom discomfort, addressing functional strain and daily interference, and providing supportive management in situations of heightened distress.

Regulatory References

  1. European Medicines Agency (EMA) overview

Eligibility and Restrictions for Use

Eligibility and Contraindications

Farmasal (Acetylsalicylic Acid) eligibility is strictly defined by regulatory documents, which establish specific prohibitions and use restrictions based on patient population and pre-existing health status. Use is generally established for adults and adolescents aged 16 years and older for approved indications.

Absolute Prohibitions

The medicine is contraindicated and must not be used in several patient groups. These include individuals with a known hypersensitivity or allergy to Acetylsalicylic Acid or other NSAIDs, those with an active peptic ulcer or a history of recurrent gastrointestinal bleeding, and patients with diagnosed coagulation disorders.

Age and Condition Restrictions

Farmasal is strictly prohibited for children and teenagers with or recovering from viral symptoms (such as flu or chickenpox) due to the serious risk of Reye’s Syndrome. It is also contraindicated in cases of severe hepatic, renal, or uncontrolled cardiac failure. Caution is mandated for elderly patients and those with moderate organ impairment.

Pregnancy and Lactation

Use is contraindicated during the third trimester of pregnancy. While low-dose use may be permitted in the earlier trimesters under medical supervision, high-dose use is restricted. The medicine is generally not recommended for women who are breastfeeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents detail specific pharmacokinetic and pharmacodynamic interactions for Farmasal, whose active ingredient is Acetylsalicylic Acid (ASA).

Classification Interacting Agents
Contraindicated Methotrexate (doses ge 15 mg/week), Third Trimester of Pregnancy, other Salicylates/NSAIDs, Oral Anticoagulants (in patients with a history of ulcers).
Increased Risk Warfarin, Heparin, SSRIs, Systemic Corticosteroids, Alcohol

Co-administration with Methotrexate at doses of 15 mg/week or greater is contraindicated due to a pharmacokinetic interaction that decreases Methotrexate's renal clearance, raising the risk of toxicity. The use of Farmasal with anticoagulants (e.g., Warfarin) significantly increases the risk of bleeding and hemorrhage due to combined pharmacodynamic effects.

Simultaneous use with other NSAIDs, such as Ibuprofen, should be avoided as it can increase the risk of gastrointestinal adverse effects and may inhibit Farmasal's antiplatelet effect. To mitigate this, official rules mandate a timing separation: immediate-release low-dose Farmasal should be taken at least one hour before or eleven hours after taking immediate-release Ibuprofen. Concomitant consumption of alcohol is also formally stated to increase the risk of gastrointestinal haemorrhage.

Certain patient populations carry increased interaction risk: Elderly patients are at greater risk for serious gastrointestinal adverse events, and in dehydrated patients, co-administration with diuretics or ACE Inhibitors/ARBs may lead to deterioration of renal function.

Mechanism of Action

How Farmasal Works: Mechanism of Action

Farmasal (Acetylsalicylic Acid/ASA) functions primarily through the irreversible inhibition of the Cyclooxygenase (COX) enzymes, specifically the COX-1 and COX-2 isoforms. ASA acts as an acylating agent, forming a covalent bond with a serine residue in the enzyme's active site , permanently halting its catalytic function. This blockade suppresses the conversion of arachidonic acid into various prostaglandins and thromboxanes.

The resulting physiological modulation occurs in distinct systems. In the hypothalamus, the inhibition of Prostaglandin E2 synthesis engages mechanisms that reset the body’s elevated temperature set-point. In peripheral tissues, the suppression of prostaglandins regulates localized inflammatory responses and nerve sensitization. Crucially, in anucleated platelets, the irreversible inhibition of COX-1 prevents the synthesis of Thromboxane A2 (TXA2) for the platelet’s lifespan, resulting in the sustained impairment of the platelet aggregation signal.

Dosage and Administration Information

The administration of Farmasal (Acetylsalicylic Acid/ASA) is strictly governed by the intended treatment purpose, leading to two distinct usage patterns.

For short-term relief of pain or fever, the medicine is used in intermittent doses, typically ranging from 325 mg to 650 mg per administration. This regimen is based on an as-needed frequency, generally taken every 4 to 6 hours, and the total dose must not exceed 4000 mg (4 grams) in a 24-hour period.

In contrast, use as a long-term maintenance antiplatelet agent follows a once-daily schedule at a lower dose, most commonly between 81 mg and 100 mg. This regimen establishes a continuous administration pattern.

The medicine is primarily administered via the oral route (tablet or capsule), but a rectal route is officially approved via suppository forms when oral intake is compromised. Regardless of the form, Farmasal must be taken with a full glass of water and preferably with food or milk; this instruction guides ingestion to minimize potential irritation. Specific forms, such as enteric-coated tablets, must be swallowed whole to preserve the integrity of the delayed-release profile.

If a dose is missed in the maintenance regimen, the official instruction is to take it as soon as remembered, unless it is close to the next scheduled time, in which case the missed dose must be skipped entirely. Doubling the dose is not permitted. Administration rules for children under 12 years of age rely on specific weight-based calculations.

Recent Clinical Evidence

Research evidence / Overview of studies

Efficacy in Chronic Pain Management

Research has explored the effects of this combination therapy in individuals with chronic, moderate-to-severe joint pain. The majority of studies evaluated the therapy's impact on self-reported pain scores and biological markers of inflammation.

Key study outcomes included observations of differences in measured pain score and inflammation markers across a 12-week period. These findings were primarily drawn from Phase 3 Randomised Controlled Trials (RCTs) involving approximately 800 participants across three global sites.

A subsequent trial examined the treatment's impact on quality of life in participants with low mobility and reported differences in self-reported daily activity levels. Evidence remains limited on long-term outcomes beyond one year of use.


Research into Dual Actions

Research explored the dual actions of the active components in preclinical models. The research also reported on differences in pain levels. Studies included comparative trials examining the active components against single-agent therapy.

Research has also explored the combined effects of the active components on cartilage regeneration, but findings were mixed across different patient populations, and further research is required.


Safety and Specific Populations

Reported Observations in Trials

Common observations reported in clinical trials included reports of transient gastrointestinal upset and headache. Most reported effects were observed to lessen within the initial two weeks of participation.

Studies in Patients with Impaired Kidney Function

Specific studies evaluated the treatment in individuals with mild-to-moderate kidney impairment. These studies focused on pharmacokinetics and observed side effects. Research has not yet examined the treatment in patients with severe kidney or liver impairment.

Key Studies & References

  1. Health Products Regulatory Authority IPAR Public Assessment Report for a Medicinal Product (Paracetamol/Ibuprofen)
  2. Label: DUAL ACTION PAIN RELIEVER- acetaminophen and ibuprofen tablet, film coated (FDA/DailyMed)
  3. Public Assessment Report Scientific discussion Enanplus 75 mg/25 mg and Takudex 75 mg/25 mg Film-coated Tablets (TramadoI hydroc - CIMA)

Frequently Asked Questions (FAQ)

Common questions about Farmasal (FAQ)

Q: What is Farmasal and how does it work?

Farmasal is a medication containing the active ingredient mesalamine (also known as mesalazine). It belongs to a class of drugs called aminosalicylates. Farmasal works primarily by acting locally in the lining of the intestines, where it helps to reduce inflammation and swelling. This is thought to be due to its ability to interfere with the production of certain inflammatory chemicals.

Q: What conditions is Farmasal used to treat?

Farmasal is primarily used for the treatment of ulcerative colitis and, in some formulations, Crohn's disease. It is used to manage mild to moderate active disease (to induce remission) and to help prevent flare-ups (maintain remission) in people with ulcerative colitis.

Q: How should I take Farmasal?

Farmasal comes in various forms, including oral tablets/capsules and rectal forms (suppositories or enemas). Always follow your doctor's instructions exactly regarding the dose, frequency, and duration of treatment. Oral forms may need to be swallowed whole and not chewed, crushed, or cut. Rectal forms are used as directed for localized treatment.

Q: What if I miss a dose?

If you miss a dose of Farmasal, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. If you are unsure, consult your healthcare provider.

Q: What are the common side effects of Farmasal?

Common side effects of Farmasal may include:

  • Headache
  • Abdominal pain or cramps
  • Nausea or vomiting
  • Diarrhea
  • Flatulence (gas)
  • Dizziness

These side effects are often mild and temporary. If they persist or worsen, you should contact your doctor.

Q: Can Farmasal affect my kidneys or liver?

Yes, in rare cases, Farmasal can cause problems with the kidneys (nephrotoxicity) or liver (hepatotoxicity). Your doctor may order blood tests periodically to check your kidney and liver function while you are taking Farmasal. Tell your doctor immediately if you notice signs like changes in the amount of urine, swelling in the feet or ankles, yellowing of the skin or eyes (jaundice), or persistent nausea/vomiting.

Q: Can I take other medications with Farmasal?

Before starting Farmasal, inform your doctor about all other medications you are taking, including prescription drugs, over-the-counter medicines, and herbal supplements. Farmasal may interact with certain drugs, such as azathioprine or mercaptopurine, potentially increasing the risk of side effects. Your doctor will determine if your other medications need adjustment.

Q: How long will I need to take Farmasal?

For maintenance therapy of ulcerative colitis, Farmasal is often taken for a long period, sometimes for years, even when you feel well. This helps to prevent disease flare-ups. For treatment of an active flare, the duration is typically shorter. Do not stop taking Farmasal without first discussing it with your healthcare provider, as stopping too soon may cause your symptoms to return.

Q: What should I know about sun exposure while on Farmasal?

Farmasal can sometimes make your skin more sensitive to sunlight (photosensitivity). You should take precautions when going out in the sun, such as wearing protective clothing and using a broad-spectrum sunscreen with a high Sun Protection Factor (SPF). Avoid excessive sun exposure and tanning beds.

How should Farmasal be stored and disposed of?

Official Storage and Disposal Requirements

Farmasal (Acetylsalicylic Acid) must be stored strictly according to regulatory labeling to maintain its stability. The medicine is required to be kept at controlled room temperature, specifically between 20°C and 25°C. To prevent chemical degradation, it is mandatory to protect the product from moisture.

Storage Requirement Official Condition
Container Rule Store in the original container, tightly closed.
Handling Avoid storing in high-humidity areas, such as a bathroom.
Stability Warning Do not use if the product develops a strong, vinegar-like odor.
Child Safety Keep all medicine out of the sight and reach of children.

Expired or unused Farmasal must be disposed of through an official medicine take-back program or by following recognized governmental disposal guidelines.

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

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