Profilas

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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 Profilas

Property Description
Active Ingredient Ketotifen Fumarate
Form Tablets, Syrup, Ophthalmic Solution
Pharmacological Class Antihistamine and Mast Cell Stabilizer
Common Use Management of Allergic Symptoms
Origin Synthetic Organic

Profilas: Definition, Classification, and Composition

Profilas is the trade name for a medication containing the active ingredient Ketotifen Fumarate, which is formally classified as a dual-action antiallergic agent. This compound is a synthetic organic substance, structurally identified as a benzocycloheptathiophene derivative. It is utilized as a single-active-ingredient product characterized by its dual mechanism: it functions as a non-competitive H1-receptor antagonist (an antihistamine) and as a mast cell stabilizer. This dual mechanism is clinically recognized for providing a more comprehensive approach to managing hypersensitivity compared to agents that act solely as H1 blockers.

Understanding the Forms and General Purpose

The medication is supplied in multiple high-level dosage forms, including tablets and syrup for oral (systemic) administration, and an ophthalmic solution (eye drops) for local treatment. The oral syrup, often specifically formulated for children, is a key product variant targeting patients who require a liquid format. The ophthalmic form is an aqueous preparation intended for topical application to the eye. The general therapeutic purpose of Profilas is to provide relief from, and reduce the overall intensity and frequency of, persistent allergic symptoms by leveraging its ability to stabilize the release of inflammatory mediators while simultaneously blocking the effects of histamine.

What side effects are possible with Profilas?

Profilas: Possible side effects and safety information

The official safety profile for Profilas (Ketotifen Fumarate) is structured based on classifications derived from regulatory documents, detailing expected adverse reactions by frequency and physiological system.

Systemic and Local Adverse Reactions

Adverse reactions are classified into several System-Organ-Classes (SOCs). For the oral form (tablets/syrup), effects commonly reported involve the Nervous System (drowsiness, dizziness) and Metabolism and Nutrition (increased appetite, weight gain). Drowsiness is officially noted to be most prominent during the initial phase of therapy and may lessen with continued use.

For the ophthalmic solution (eye drops), common reactions (classified as 10% to 25% incidence) involve Eye Disorders, such as conjunctival injection (redness), and Respiratory Disorders, such as rhinitis.

Serious Safety Characteristics

The regulatory profile documents rare but potentially serious adverse reactions. These include the possibility of a lowered seizure threshold, particularly warranting caution in individuals with pre-existing epilepsy or seizure disorders. Very rare occurrences of severe skin reactions, such as Stevens-Johnson syndrome, have also been noted in post-marketing data.

Population-Specific Safety Considerations

Official labeling addresses specific safety points for certain groups:

Population Regulatory Safety Note
Pediatric Patients Increased risk of CNS stimulation (excitement, nervousness) from the oral form.
Diabetic Patients The syrup formulation’s carbohydrate content requires consideration.
Nursing Mothers Specific guidance advises against use based on excretion into rat milk.

Additionally, caution is advised regarding potential potentiated sedative effects when the oral form is combined with other central nervous system depressants. For the eye drops, the preservative necessitates a waiting period before re-inserting soft contact lenses.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory documents define the overdose profile for Profilas based on documented Central Nervous System (CNS) and Cardiovascular System (CVS) manifestations. Overdosage is generally considered to have rather low acute toxicity, and no lethal outcomes have been described.

Documented Overdose Manifestations

System Manifestations
CNS Severe drowsiness, confusion, disorientation, hyperexcitability (especially in children), convulsions, and reversible coma.
CVS Tachycardia (rapid heart rate) and hypotension (low blood pressure).

Emergency Action and Management

When to Seek Immediate Medical Help:

If any of the documented symptoms of overdose occur, you must get emergency help immediately. This instruction requires telling a doctor immediately or going to the nearest casualty department as soon as possible, bringing the medicine pack.

Supportive Measures (as listed in official guidelines):

Treatment is symptomatic and supportive. For very recent ingestion, emptying of the stomach (e.g., gastric lavage) and the administration of activated charcoal may be considered. Specific symptoms like excitation or convulsions may be managed using short-acting barbiturates or benzodiazepines. Continuous monitoring of the cardiovascular system is explicitly recommended during observation.

Therapeutic Uses of Profilas

Profilas is relevant in clinical settings where supportive symptom management is appropriate for conditions characterized by periods of heightened symptoms. The medication is commonly used across conditions presenting with acute episodes or chronic patterns, such as chronic urticaria (hives), certain skin manifestations, and seasonal allergic conjunctivitis (eye itching, redness). It is also applied in addressing the long-term management of recurrent wheezing associated with atopic asthma, particularly in pediatric patients.

This focus means the medication helps address symptom clusters like intense itching, the recurrence of raised red welts, and episodes of respiratory difficulty. It contributes to improved comfort during periods of heightened symptoms and helps maintain a sense of stability when symptoms are more noticeable.

“This use is generally associated with efforts to provide supportive relief during difficult episodes and assist with maintaining functional stability.”

The application is relevant for easing symptoms linked to organ-specific functional stress and is commonly used for conditions exacerbated by specific triggers, including certain physical urticarias. It offers symptomatic relief that helps patients cope more steadily with temporary functional strain.

Quick Fact: Relief for Persistent Symptoms
Profilas plays a role in managing the overall symptom burden associated with chronic allergic disease and seasonal manifestations.

Eligibility and Restrictions for Use

The eligibility for using Profilas (Ketotifen Fumarate) is determined by official regulatory bodies, varying significantly between the oral (tablets/syrup) and ophthalmic (eye drops) dosage forms.


Contraindications and Restricted Use

Category Eligibility Status (Regulatory Labeling)
Absolute Contraindication Individuals with known hypersensitivity or allergy to Ketotifen Fumarate or any product excipient. The oral form is also contraindicated in breastfeeding mothers and patients with established epilepsy (in some regions).
Pregnancy Not recommended for use in pregnancy (oral form) unless the clinical benefit justifies the risk. Discontinuation before conception is advised.
Conditional Use Caution is advised for oral use in patients with a history of epileptic seizures due to the potential to lower the seizure threshold. Caution is also needed for the syrup in patients with diabetes due to carbohydrate content.

Age-Related Eligibility

  • Ophthalmic Solution: Approved for use in adults and children aged 3 years and older. Safety and efficacy are not established in children younger than 3 years of age.
  • Oral Form: Generally approved for adults and children; some labels establish prophylactic use in infants starting from 6 months of age, often with weight-adjusted guidance.
  • Older Adults: No specific information is available in some regulatory documents regarding the relationship of age to effects in geriatric patients.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information states that the interaction profile of Profilas is defined by its shared clearance pathways, primarily involving the drug-metabolizing enzyme Cytochrome P450 3A4 (CYP3A4) and the efflux transporter P-glycoprotein (P-gp).

Clinically Significant Interaction Categories

Interacting Product Category Regulatory Constraint Practical Implication
Combined strong P-gp and CYP3A4 Inhibitors Co-administration requires a dose reduction of Profilas or is otherwise contraindicated. Profilas exposure significantly increases.
Combined strong P-gp and CYP3A4 Inducers Co-administration is generally avoided or contraindicated. Profilas plasma concentration significantly decreases.
Other Anticoagulants and Antiplatelet Agents Requires close monitoring for signs of blood loss. Risk of bleeding is increased due to combined effects on hemostasis.

Official Constraints

Regulatory documents explicitly state that concomitant use with agents that are strong dual inducers of both P-gp and CYP3A4 (such as rifampicin) is to be avoided due to the significant risk of treatment failure from reduced drug levels. Conversely, co-administration with strong dual inhibitors (such as certain azole antifungals) mandates a specific dose adjustment to manage the risk of increased drug exposure. The combined use of non-steroidal anti-inflammatory drugs (NSAIDs) or aspirin with Profilas requires careful clinical oversight.

Mechanism of Action

️ Dual Mechanism: Receptor Blockade and Cellular Stabilization

Profilas (Ketotifen Fumarate) exerts its action through a dual pharmacodynamic mechanism, combining antagonism at the Histamine H1-Receptor (H1R) with mast cell stabilization. This approach targets two distinct, yet related, aspects of the Type I hypersensitivity signaling sequence.


Rapid Modulation of Vascular Signaling

The H1R antagonism represents the mechanism’s most immediate physiological effect. By binding to and blocking the H1R on vascular tissue and smooth muscle, Ketotifen prevents the acute effects of already-released histamine. This action modulates histamine-induced vasodilation and increased capillary permeability, thereby altering the physiological outcome of excessive mediator activity on immediate signaling sequences.


Sustained Inhibition of Mediator Release

The mast cell stabilization mechanism targets the long-term production and release of mediators. It acts by inhibiting the calcium ion influx required for mast cell degranulation. By suppressing the release of inflammatory mediators, including histamine and leukotrienes, from their source cells, this process modifies early molecular steps that shape systemic physiological effects, influencing the homeostatic balance within the targeted inflammatory pathways.

Dosage and Administration Information

How to use Profilas — Administration Guidelines

Profilas is administered only by a healthcare professional as an Intravenous (IV) infusion. The instructions for its use are strictly defined for clinical use and must be followed precisely for patient safety.

Administration Details

The standard dosage regimen for adults (18 years and older) is 400 mg administered once every three weeks. Pediatric use is not recommended unless clinically indicated.

Administration Scope Standard Administration Rule
Route Intravenous (IV) Infusion
Dosing Frequency Once every 3 weeks
Missed Dose Administer as soon as possible. Maintain the 3-week interval from the new administration date
Timing (Meals) Independent of meals

Preparation and Procedural Steps

Before administration, the lyophilized powder must be reconstituted with Sterile Water for Injection, USP. It is critical to swirl gently to dissolve the powder; do not shake. The resulting solution is then immediately diluted into a 250 mL bag of 0.9% Sodium Chloride Injection, USP. The final solution must be visually inspected for any particulate matter before use.

The administration duration is carefully regulated:

  • The first infusion must be administered over a minimum of 60 minutes.
  • Subsequent infusions may be shortened to a minimum of 30 minutes, provided the initial 60-minute infusion was well-tolerated.

Profilas must not be administered as a rapid IV push or bolus. Due to the procedural and monitoring requirements, administration must be performed in a facility equipped to manage potential infusion reactions.

Recent Clinical Evidence

Profilas: Recent Clinical Evidence

Tofacitinib for Rheumatoid Arthritis (RA)

Studies have evaluated Tofacitinib, a Janus Kinase (JAK) inhibitor, as a treatment option for moderate to severe Rheumatoid Arthritis (RA). The research examined whether Tofacitinib affected pain and inflammation measures, and studied its impact on disease activity.

Studies have identified the action of Tofacitinib as involving the inhibition of Janus Kinase (JAK) enzymes.


Clinical Trial Findings

Randomized Controlled Trials (RCTs) reported data from trials that compared the effect of Tofacitinib on patient-reported outcomes (PROs), such as physical function and quality of life, to those treated with traditional DMARDs.

Research has explored the use of Tofacitinib in patients who have had an inadequate response to Methotrexate. Data reported that responses were observed, where clinical responses were monitored beginning at 2 weeks of treatment.


Key Study Outcomes

  • ACR Responses: Multiple studies examined the achievement of ACR20, ACR50, and ACR70 responses (measures of change in disease symptoms) across different doses and patient groups.
  • Radiographic Progression: Long-term studies assessed Tofacitinib in relation to the progression of structural joint damage as measured by radiographic scores (e.g., modified Total Sharp Score, mTSS).
  • Combination Therapy: Studies evaluated Tofacitinib used as monotherapy and in combination with non-biologic DMARDs, such as Methotrexate.

Key Studies & References

  1. NICE Guideline: Tofacitinib for treating moderate to severe rheumatoid arthritis

Frequently Asked Questions (FAQ)

Common questions about Profilas (FAQ)

Q: What if I have kidney or liver issues? Can I still take Profilas?

A: Official information states that the oral form of Profilas is contraindicated (meaning its use is not recommended) for individuals who have severe liver disease. For patients with kidney impairment, regulatory guidance advises caution. While specific dose adjustments may not be required for all levels of impairment, clinical oversight is recommended for severe cases to ensure proper use.


Q: How quickly should I expect to notice anything after starting Profilas?

A: Official information indicates that therapeutic effects may not be clinically apparent until several weeks after beginning treatment. Full effectiveness may take up to 10 weeks of continuous use to be observed in studies.


Q: What is the typical length of time Profilas is usually taken?

A: Regulatory documents describe the oral medicine as being for continuous use to maintain its action. The exact length of time the medicine is taken will be determined by a healthcare professional based on the specific medical problem being addressed.


Q: Is it common to feel tired when taking Profilas?

A: Official safety data describes drowsiness, or feeling tired, as a commonly reported side effect associated with the oral form of the medicine. This effect is often most noticeable when first starting therapy, but it may lessen as treatment continues.


Q: Can Profilas be taken at the same time as cold or flu medicine?

A: Official labeling advises caution regarding the combined use of the oral form of Profilas with other central nervous system (CNS) depressants. Many cold and flu medicines can contain ingredients that cause sedation, which may increase the risk of potentiated sedative effects noted in official warnings.


Q: What happens if a dose of Profilas is missed?

A: Regulatory instructions for the oral form generally advise taking the missed dose as soon as it is remembered. However, if it is almost time for the next scheduled dose, the missed dose should be skipped to prevent accidentally taking a double dose. Patients should consult their official product labeling or a professional for personalized guidance.


Q: Why do some people say they felt worse when they first started Profilas?

A: Official safety information indicates that certain side effects, such as drowsiness, are frequently most pronounced during the initial phase of therapy. This initial period of adjustment may cause temporary discomfort, though these effects often lessen with continued use of the medicine.


Q: Is Profilas used for any conditions other than the main ones listed?

A: Regulatory documents define the approved uses for Profilas as the management of specific allergic symptoms. The drug is intended to be used only for the indications that are specified by the official regulatory label.


Q: Is there a risk of dependence or withdrawal symptoms with Profilas?

A: Official product information states that if the medicine is to be discontinued, the dosage is typically reduced gradually over several weeks. This method is used to allow the body to adjust.


Q: Are there specific tests doctors need to run while I'm on Profilas?

A: Regulatory documents note that the monitoring of platelet counts is noted for consideration for patients taking the oral form of Profilas concomitantly with oral antidiabetic agents. This is due to rare reports of a reversible fall in thrombocyte count in such combinations.


Q: Why are the instructions different for some patients using Profilas?

A: Dosing instructions for Profilas are tailored based on regulatory guidance. These instructions may be different for various patients depending on factors such as their age, weight (especially for children using the syrup), and the specific medical condition being treated.


Q: Does Profilas have an expiration date, and is it important to follow it?

A: The medicine is assigned an expiration date by the manufacturer to guarantee the full strength and quality of the product. It is established that drugs should not be used past their official expiration date.


Q: How common are serious side effects with Profilas?

A: Official safety data classifies serious adverse reactions as either rare or very rare occurrences. Examples of serious effects noted in post-marketing reports include a lowered seizure threshold or severe skin reactions.


Q: Does Profilas affect blood pressure?

A: Official regulatory-sourced lists of adverse reactions include the potential for hypertension (high blood pressure) as a reported side effect of the medicine.


Q: Is it true that Profilas can cause issues if taken with certain anti-depressants?

A: The official drug label includes a warning regarding the risk of potentiated sedative effects when the oral form is combined with other central nervous system (CNS) depressants. This combination is a known drug interaction and is a combination noted for caution in official documents.

How should Profilas be stored and disposed of?

Storage and Disposal Requirements

Official labeling defines specific storage conditions for Profilas (Ketotifen Fumarate) based on the formulation type:

  • Oral Forms (Tablets/Syrup): Store below 30 C, away from excessive heat, moisture, and direct light. Oral medicine must be kept in a closed container.
  • Ophthalmic Solution: Store within the temperature range of 4 C to 25 C (39 F to 77 F). Once opened, the solution must be discarded after 28 days.

All forms must be kept from freezing and stored strictly out of reach of children. When discarding expired or unused medicine, do not empty the product into drains or mix it with household trash; instead, consult a healthcare professional for proper pharmaceutical waste disposal procedures.

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

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