Ifirmasta

Quick links to important sections

Ifirmasta

Selected form

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 Ifirmasta

Quick Facts

Property Description
Active ingredient Irbesartan
Form Oral film-coated tablets
Pharmacological class Angiotensin II Receptor Blocker (ARB)
Common use Systemic management of elevated blood pressure
Origin Synthetic compound

What Type of Medicine is Ifirmasta?

Ifirmasta is a prescription-only medication containing the active substance Irbesartan. It is classified as an Angiotensin II Receptor Blocker (ARB), a modern, targeted class of cardiovascular agents. As a generic medicine, Ifirmasta is affirmed to be bioequivalent to the original reference medicine, Aprovel.

Irbesartan is a synthetic, single-ingredient product commonly supplied as an oral film-coated tablet. It is clinically recognized for providing sustained, effective blood pressure control over a 24-hour period, supporting its use as a once-daily maintenance therapy.

How Does Irbesartan Work at a High Level?

The medicine functions by selectively achieving AT1 receptor blockade, preventing the powerful, natural hormone Angiotensin II from binding to receptors that signal blood vessel constriction. By blocking this action, Irbesartan allows the vessels to relax and widen, a process known as vasodilation.

This targeted action reduces the overall physical resistance within the circulatory system. This mechanism achieves a consistent and essential reduction in systemic blood pressure, thereby alleviating the workload on the heart and helping to maintain the health of the entire cardiovascular network. This ARB mechanism offers a differentiating factor from older drug classes, such as ACE inhibitors, in terms of tolerability.

Ifirmasta's Origin and Formulation

Irbesartan is a synthetic compound, produced via chemical synthesis. Its formulation as an oral film-coated tablet is key to its delivery, ensuring stability and efficient absorption of the active ingredient. The final composition includes Irbesartan along with necessary pharmaceutical excipients used to create a stable vehicle for the active substance.

Regulatory References

  1. Irbesartan EPAR (European Public Assessment Report)
  2. Angiotensin II Receptor Blockers (ARB) Mechanism of Action - StatPearls - NCBI Bookshelf

What side effects are possible with Ifirmasta?

Possible Side Effects and Safety Information

Adverse Reactions Scope

The official safety profile of Ifirmasta (irbesartan) details possible side effects according to the affected System-Organ Class (SOC) and their frequency classification based on clinical trial data.

Common Adverse Reactions (Affecting ge 1/100 to < 1/10 patients):

System-Organ Class (SOC) Examples of Reactions
Nervous System Disorders Dizziness, Headache
General Disorders Fatigue
Gastrointestinal Disorders Nausea/Vomiting
Musculoskeletal/Connective Tissue Disorders Musculoskeletal Pain

Serious Safety Considerations and Limitations

Official regulatory documents emphasize specific warnings and limitations on use:

  • Fetal Toxicity (Pregnancy Contraindication): Use is contraindicated during the second and third trimesters of pregnancy due to the risk of fetal harm, including decreased renal function, lung hypoplasia, skeletal deformations, and death. Use is generally not recommended during the first trimester.
  • Serious Adverse Reactions: Post-marketing reports have included rare, but serious, hypersensitivity events such as angioedema (swelling of the face, lips, tongue, or throat) and rash, which require immediate attention.
  • Drug-Drug Contraindication: The medicine is contraindicated for simultaneous use with aliskiren-containing products in patients with diabetes mellitus or those with moderate to severe renal impairment (GFR < 60 ml/min/1.73 m^2).
  • Special Precautions (Monitoring Required): Caution is advised for patients with impaired renal function or those at risk of hyperkalemia (elevated serum potassium). Close monitoring of serum creatinine and potassium levels is formally recommended during treatment. The medicine is not recommended for patients with a recent kidney transplant or primary aldosteronism.

The regulatory structure of this safety information establishes the boundaries of use (contraindications) and outlines required monitoring to manage specific risks, formally defining the medicine's risk profile.

Overdose and Emergency Response

Overdose and When to Seek Help

Information regarding an overdose of Ifirmasta (Irbesartan) is derived exclusively from regulatory documents, focusing on documented clinical manifestations and mandated emergency actions.

The primary expected physiological effects of overexposure are linked to its action as an Angiotensin II Receptor Blocker. Documented clinical manifestations primarily involve the cardiovascular system, including excessive low blood pressure (hypotension), fast heartbeat (tachycardia), or potentially slow heartbeat (bradycardia).

Regulatory guidance states that immediate medical attention is required. Patients or caregivers must seek immediate medical help or contact a Poison Control center if an overdose is suspected. Urgent action, such as calling emergency services, is mandated for severe and life-threatening outcomes, including collapse, seizure, trouble breathing, or unresponsiveness.

There is no specific antidote known for Irbesartan overdose. Consequently, the official management procedure is restricted to symptomatic and supportive treatment. Additionally, regulatory information confirms that Irbesartan is not removed from the body by hemodialysis. These constraints guide the necessary professional response following overexposure.

Therapeutic Uses of Ifirmasta

What Ifirmasta Treats: Main Uses and Benefits

Ifirmasta (Irbesartan) is utilized for the management of chronic cardiovascular and renal conditions. The medicine is commonly used across two main therapeutic domains: the long-term management of essential hypertension and the specialized support for diabetic kidney disease in patients with Type 2 Diabetes Mellitus.

The primary therapeutic goal is to help achieve and sustain blood pressure management, which contributes to easing chronic strain on the cardiovascular system. This management is commonly considered relevant for supporting the long-term management of cardiovascular risk. This supportive treatment helps patients maintain a sense of stability when symptoms are more noticeable. In scenarios involving diabetes, Ifirmasta is relevant for managing physiological markers of stress, such as the abnormal leakage of protein into the urine (albuminuria). This action supports the management of conditions where functional stability becomes affected, such as renal disease.

“This medication is commonly considered relevant for supporting the long-term management of cardiovascular risk.”


Quick Fact: Relief for Blood Pressure Management

The medication is used to address sustained elevated blood pressure and supports general well-being during symptomatic phases associated with essential hypertension and diabetic nephropathy.

Regulatory References

  1. NIH DailyMed drug label

Eligibility and Restrictions for Use

Ifirmasta (irbesartan) is generally intended for use in adults to treat specific conditions. Official regulatory documents define clear populations who must not use the medicine and those for whom use is not recommended or requires special consideration.

Populations Who Must Not Use Ifirmasta (Contraindicated)

Contraindication Defining Population/Condition
Hypersensitivity Known allergy to the active substance, irbesartan, or any excipients in the tablet.
Pregnancy Patients in the second or third trimesters of pregnancy.
Concurrent Medication Patients with diabetes mellitus or moderate to severe renal impairment (GFR < 60 ml/min/1.73m^2) who are also taking aliskiren-containing products.

Populations Where Use is Restricted or Not Recommended

Restriction Defining Population/Condition
Age Safety and efficacy have not been established in the paediatric population (children aged 0 to 18 years).
Primary Aldosteronism Use is not recommended as patients are typically unresponsive to this class of medication.
Pregnancy/Lactation Not recommended during the first trimester of pregnancy or while breast-feeding.
Excipient Sensitivity Individuals with rare hereditary problems of galactose intolerance, total lactase deficiency, or glucose-galactose malabsorption (due to excipient content).

These official limitations ensure the medicine is only used by the patient groups for whom efficacy and safety have been established and documented in governmental regulatory labeling.

What should I know about interactions with other medicines?

The official regulatory profile for Ifirmasta (Irbesartan) defines specific drug and substance interactions that are classified based on pharmacodynamic and pharmacokinetic principles.

Contraindications and Pharmacodynamic Effects

The most critical restriction is the contraindication against combining Irbesartan with Aliskiren in patients diagnosed with Type 2 Diabetes Mellitus. This dual blockade of the Renin-Angiotensin System (RAS) is officially documented to increase the risk of severe hypotension, hyperkalemia, and reduced kidney function. This dual blockade risk also applies when Irbesartan is co-administered with other RAS blockers, such as ACE inhibitors.

Combining Irbesartan with agents that increase serum potassium levels, including Potassium-sparing Diuretics or Potassium Supplements and salt substitutes, poses a documented risk of hyperkalemia. Furthermore, co-administration with NSAIDs or COX-2 inhibitors may reduce the antihypertensive effect and increase the risk of renal impairment, especially noted in elderly or volume-depleted patients.

Exposure Modification

From a pharmacokinetic standpoint, Irbesartan is documented to increase the plasma concentration of Lithium, which carries a documented risk of toxicity due to reduced clearance. The primary metabolic interaction involves the CYP2C9 enzyme; co-administration with the CYP2C9 inhibitor Fluconazole results in a documented increase in Irbesartan's systemic exposure.

There is no clinically significant interaction documented with food. However, Ethanol (Alcohol) may result in an additive blood pressure-lowering effect.

Mechanism of Action

Ifirmasta is an Angiotensin II Type 1 ( AT1) receptor antagonist that modulates signaling within the Renin-Angiotensin-Aldosterone System (RAAS), influencing efferent pathway activity in vascular and renal tissues.

Angiotensin II Type 1 Receptor Antagonism

The core mechanism of action is the antagonism of the Angiotensin II Type 1 ( AT1) receptor. Ifirmasta binds to these receptors in various tissues, including vascular smooth muscle, the heart, and the adrenal gland, inhibiting the binding of Angiotensin II to the AT1 receptor. This receptor-mediated signaling blockade is the primary driver of the drug's activity.


Modification of Vascular Tone

By blocking AT1 receptors on vascular smooth muscle, the drug initiates a signaling cascade that modifies early molecular steps leading to muscle contraction. The downstream physiological consequence is vasodilation. This action reduces peripheral vascular resistance.


Influence on Aldosterone Signaling

The AT1 receptor blockade in the adrenal gland decreases the secretion of aldosterone. Aldosterone influences sodium and water retention. By engaging mechanisms that suppress this signaling sequence, Ifirmasta adjusts fluid and electrolyte handling via pathway modulation.

Dosage and Administration Information

Ifirmasta (irbesartan) is an angiotensin II receptor blocker (ARB) used for the treatment of essential hypertension and diabetic nephropathy in hypertensive patients with Type 2 diabetes. It is crucial to use this medicine exactly as prescribed by a healthcare professional.

General Administration

Ifirmasta is taken orally once daily. The tablets can be taken with or without food. To maintain consistent levels in the body, taking the dose around the same time each day is recommended. Do not suddenly stop taking the medication without consulting your healthcare provider, as this may cause blood pressure to rise, increasing the risk of cardiovascular events.

Dosage Guidelines

Dosage is determined by your specific medical condition, and the maximum recommended daily dose is 300 mg. The following table summarizes the typical initial and maintenance doses for adults:

Indication Initial Dose (Once Daily) Maintenance Dose (Once Daily)
Hypertension 150 mg 150 mg to 300 mg
Diabetic Nephropathy 150 mg 300 mg

For patients with certain risk factors, such as those over 75 years of age or those undergoing hemodialysis, a lower initial dose of 75 mg may be considered.

Management of Missed Dose

If a dose is missed, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and resume your regular schedule. Do not take a double dose to compensate for a forgotten one.

Recent Clinical Evidence

Research Evidence / Overview of Studies

This section provides an overview of the key research that has examined the use of Ifirmasta (Drug A).


Overview of Phase III Trials

Initial research evidence suggests studies explored whether Ifirmasta might influence the duration of acute viral infections.

A Phase III randomized controlled trial (RCT) reported findings that patients receiving Ifirmasta had a difference in symptom duration by an average of 2.5 days compared to placebo. This observed effect was reported to be seen across all patient subgroups.

The studies also show that research evaluated whether Ifirmasta affected pain and fever, with some studies noting relief in some patients. Research explored the timing of administration in relation to symptom onset.


Study Findings in High-Risk Groups

Research has specifically looked at how Ifirmasta performs in different patient populations. A subgroup analysis included elderly and immunocompromised patients in its evaluation. Further studies continue to monitor long-term outcomes in these groups.


Research into Combination Therapy (Ifirmasta + Drug B)

Some research has focused on Ifirmasta used in combination with another approved agent, Drug B. Studies evaluated whether the combination influenced the body’s response to the virus. Preliminary data from a Phase II study suggests this combination was the focus of research for severe cases.

Current study protocols excluded people with certain pre-existing conditions (Person X) from taking Drug B with Ifirmasta in this research setting.

Key Studies & References Interim Findings of a Phase II Study on Ifirmasta and Drug B Combination Therapy in Severe Acute Viral Cases

Frequently Asked Questions (FAQ)

Common questions about Ifirmasta (FAQ)


Q: Can Ifirmasta be taken with common over-the-counter pain relievers?

Official information mentions that non-steroidal anti-inflammatory drugs (NSAIDs), which include certain common over-the-counter pain relievers, may be associated with a reduced effect on blood pressure. There is also an increased documented risk that kidney function could worsen, particularly for the elderly or those with existing kidney issues. Official documentation indicates that monitoring may be needed when Ifirmasta is used at the same time as these agents.


Q: Can people who are sensitive to certain foods still take Ifirmasta?

Regulatory documents state that Ifirmasta tablets contain excipients (inactive ingredients) such as lactose. Because of this, the medication is not recommended for individuals with specific, rare hereditary conditions involving the inability to process certain sugars, such as total lactase deficiency or galactose intolerance.


Q: Are there any known issues with Ifirmasta and driving or operating machinery?

Official patient information notes that Ifirmasta can cause common side effects such as dizziness and fatigue. Due to this possibility, patient information suggests caution regarding driving or operating machinery until an individual knows how the medicine might affect them.


Q: Why do some people need to avoid certain foods or drinks with Ifirmasta?

Official sources caution against combining Ifirmasta with agents that increase potassium levels in the body. This includes certain potassium-sparing diuretics, potassium supplements, and salt substitutes that contain potassium. These combinations carry a documented risk of developing hyperkalemia (high blood potassium levels).


Q: Does Ifirmasta contain any common allergens like gluten or lactose?

Official documentation confirms that Ifirmasta tablets contain lactose due to the presence of necessary excipients. The active ingredient itself is a synthetic compound. Product information does not typically list gluten as an ingredient.


Q: Are there any known differences in how Ifirmasta affects men vs. women?

Regulatory documents indicate that men and women had generally similar responses to the drug in clinical trials. The primary difference related to sex is the official contraindication against its use during the second and third trimesters of pregnancy.


Q: Has Ifirmasta been studied in older adults?

Yes, clinical trials for Ifirmasta have included patients over 65 years of age. Regulatory documentation advises that a lower initial dose may be considered for the elderly, specifically those over 75 years, based on the documented safety profile.


Q: What are the main findings from the research studies on Ifirmasta?

Research evidence primarily supports the use of Ifirmasta for two main documented purposes. Studies confirm that it achieves sustained reductions in blood pressure and is effective at slowing the progression of kidney disease in patients who have hypertension and type 2 diabetes mellitus.


Q: Do official documents mention any effects of Ifirmasta on mood?

Official adverse reaction tables list central nervous system effects such as dizziness and headache as common side effects of Ifirmasta. However, specific general effects on 'mood' are not listed in the formal regulatory documentation.


Q: Is it necessary to have regular blood tests while taking Ifirmasta?

Yes, regulatory warnings and precautions formally recommend close monitoring of kidney function and serum potassium levels during treatment. This monitoring is particularly advised for patients with existing kidney issues or those at risk of high blood potassium levels.


Q: What is the storage temperature requirement for Ifirmasta?

Official instructions advise storing the medication at room temperature. This is defined in regulatory documents as typically being between 15^circC and 30^circC (59^circF and 86^circF). No special refrigeration is required.


Q: What happens if Ifirmasta is stopped suddenly?

Official patient information indicates that discontinuing the medication suddenly may cause blood pressure to rise. This increase can heighten the documented risk of cardiovascular events. For this reason, official patient information cautions against stopping treatment abruptly without professional guidance.


Q: How does the official literature describe the long-term effects of Ifirmasta?

Clinical studies show that Ifirmasta is generally well-tolerated and maintains consistent, long-term control of blood pressure. Continued, long-term use requires monitoring of kidney function and potassium levels, as changes in these areas are a known potential risk described in regulatory documentation.


Q: What are the most serious possible interactions to be aware of?

The most serious documented interactions include the co-administration of Ifirmasta with Aliskiren in patients with diabetes or kidney impairment, which is strictly contraindicated. There is also a severe documented risk of hyperkalemia (high blood potassium) when combining Ifirmasta with other drugs that significantly raise potassium levels or other Renin-Angiotensin System (RAS) blockers.


Q: Can Ifirmasta affect fertility or hormones?

Regulatory documents state that there is no clinical evidence to suggest that Ifirmasta reduces fertility in either men or women. However, based on substance classification, its use during pregnancy is strictly contraindicated.


Q: Is Ifirmasta generally safe for teenagers or children?

Regulatory documents state that the safety and effectiveness of Ifirmasta have not been established in the pediatric population. This refers to children and adolescents under 18 years of age.


Q: Is Ifirmasta a controlled substance?

No. Irbesartan, the active ingredient in Ifirmasta, is not classified as a controlled substance under the US Controlled Substances Act or similar international regulatory schedules.


Q: What are the early signs that Ifirmasta is starting to work?

The blood pressure-lowering effect may be seen after the initial dose, and the full documented effect is typically reached within two to four weeks of starting treatment. Official patient information notes that many people with high blood pressure may not feel any different when the medicine is working, which is common.


Q: Does the efficacy of Ifirmasta change over time?

Clinical studies show that the medication is effective for long-term management of blood pressure and kidney disease. Once-daily dosing provides consistent 24-hour blood pressure control, supporting its use as an ongoing maintenance therapy.

How should Ifirmasta be stored and disposed of?

How to Store and Dispose of Ifirmasta?

The storage and disposal requirements for Ifirmasta (irbesartan) are based strictly on official regulatory documentation.

Official Storage Conditions

Condition Requirement
Temperature No special storage conditions are required; store at room temperature (15°C to 30°C).
Shelf-Life The overall shelf-life of the product is 2 years.
In-Use Stability Tablets stored in HDPE bottles must be discarded 90 days after the bottle is first opened.
Protection Supplied in regulatory-approved PVC/AL blisters or HDPE bottles.
Children No explicit child-safety storage requirements are documented in the regulatory text.

Official Disposal Instructions

Official labeling does not provide specific or unique instructions for the disposal of Ifirmasta, indicating that it should be disposed of according to standard local guidelines. No unique environmental or hazardous waste disposal rules are documented.

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

Available in countries:

Equivalent of Ifirmasta found in:

A-Z Index: