Igir

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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 Igir

Igir is a single-ingredient medicinal preparation used to relieve symptoms associated with allergic conditions. It contains the active pharmaceutical ingredient Loratadine, a widely recognized synthetic compound. The brand positioning typically focuses on providing relief for the general population, including adults and appropriate pediatric patients.

Property Description
Active ingredient Loratadine
Form Oral Tablet, Syrup/Solution
Pharmacological class Second-Generation Antihistamine
Common use Mitigation of allergic symptoms
Origin Synthetic Compound

What Type of Medicine is Igir (Loratadine)?

Igir is classified as a Second-Generation Antihistamine and functions as a selective Histamine H1-Receptor Antagonist. This means its core function is to counteract the effects of the chemical histamine, which the body releases during an allergic reaction. Loratadine's use for treating hypersensitivity reactions is clinically recognized and supported by pharmacological studies. Loratadine is included on model lists of essential medicines, further establishing its therapeutic necessity in global healthcare systems.


Composition and Available Forms of Igir

The active ingredient in Igir is Loratadine, which, in many regions, is available as an Over-The-Counter (OTC) drug. It is primarily manufactured as an oral dosage form. Igir is typically available as an oral tablet and a syrup or oral solution. As a single-ingredient product, it provides only the anti-allergic action of Loratadine, taken via the oral route of administration. This single-agent composition simplifies allergy management by specifically targeting the histamine response.


What Does the Second-Generation Classification Mean?

The second-generation classification means Igir’s active component is characterized by its high affinity for peripheral H1 receptors and minimal blood-brain barrier penetration. This selectivity is the pharmacological basis for the drug being classified as a non-sedating compound. Unlike older antihistamines, Loratadine maintains therapeutic efficacy while significantly reducing the potential for central nervous system effects like drowsiness. The resulting benefit is that the medication provides effective mitigation of allergic symptoms without interfering with activities requiring concentration and alertness.

Regulatory References

  1. Loratadine on WHO Essential Medicines List
  2. WHO Essential Medicines List (Loratadine)

What side effects are possible with Igir?

Possible Side Effects and Safety Information (Igir / Loratadine)

The safety profile of Igir (Loratadine) is established through clinical trials and post-marketing surveillance, with adverse reactions categorized according to regulatory frequency standards (e.g., EMA/FDA). Safety data are formally organized by the System Organ Class (SOC) affected.


Frequency-Classified Adverse Reactions

The most frequently reported events occur primarily within the nervous system and general disorder categories, while more severe reactions are classified as very rare.

Classification Examples of Documented Reactions
Very Common Headache
Common Somnolence, Nervousness, Fatigue, Dry mouth
Very Rare Convulsion, Tachycardia, Abnormal hepatic function, Hypersensitivity reactions (including Anaphylaxis and Angioedema)

Key Safety Constraints and Specific Populations

Official regulatory labeling includes specific safety considerations for certain patient groups and conditions. The medicine is not recommended for use in breast-feeding women as the active substance is known to be excreted in human milk. For patients with severe hepatic impairment, a lower initial dose regimen is typically advised due to potentially reduced drug clearance. Safety and efficacy have not been established in children under two years of age.

Restrictions also apply to individuals with known hypersensitivity to the active substance or with rare hereditary problems of galactose intolerance, the Lapp lactase deficiency, or glucose-galactose malabsorption.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documentation for Igir (Loratadine) describes specific clinical manifestations associated with overdosage. Documented signs include central nervous system effects such as somnolence (drowsiness), along with cardiovascular changes like tachycardia (rapid heartbeat), and the occurrence of headache. Overdosage may also result in an increased occurrence of anticholinergic symptoms.

Immediate regulatory guidance emphasizes that prompt action is necessary. If an overdose is suspected, seek immediate medical help or contact a Poison Control Center right away. Urgent medical assistance is specifically required if the affected person has symptoms such as collapse, seizure, trouble breathing, or inability to be awakened. In such severe situations, emergency services must be called immediately.

The treatment defined in official documents is strictly symptomatic and supportive. Regulatory labeling states that no specific antidote is known for Loratadine overdose. Due to this, management may involve procedures such as the attempted administration of activated charcoal or considering gastric lavage to remove unabsorbed drug. Furthermore, the labeling notes that Loratadine is not effectively removed by haemodialysis, and medical monitoring of the patient must be continued following initial emergency measures.

Therapeutic Uses of Igir

Main Uses and Applications

Igir is a medication primarily utilized in the management of specific chronic inflammatory conditions. Its clinical application focuses on modulating the immune system's response to prevent the progression of tissue damage and to alleviate the persistent symptoms associated with autoimmune disorders.

Primary Indications

The medication is most commonly used for the following conditions:

  • Rheumatoid Arthritis: It is employed to reduce joint inflammation, pain, and stiffness. By targeting underlying inflammatory pathways, it helps in maintaining joint function and slowing the rate of structural damage.
  • Systemic Lupus Erythematosus (SLE): Igir may be used as part of a broader management strategy to control various manifestations of lupus, helping to stabilize the immune system and reduce the frequency of flares.
  • Other Inflammatory Disorders: Depending on clinical assessment, it may be prescribed for other conditions where the immune system inappropriately attacks the body's own tissues.

Benefits and Clinical Outcomes

The therapeutic goal of Igir is to achieve long-term stabilization of the patient's condition. The benefits observed during treatment typically focus on quality of life and physiological maintenance.

Symptom Management

One of the central benefits is the reduction of physical discomfort. This includes a decrease in swelling and a significant improvement in morning stiffness, which allows for better mobility throughout the day.

Disease Modification

Beyond immediate symptom relief, Igir acts as a disease-modifying agent. This means it does not just mask pain but works to address the inflammatory processes. Over time, this can lead to:

  • Prevention of Joint Deformity: By controlling chronic inflammation, the medication helps protect cartilage and bone integrity.
  • Systemic Stability: It assists in preventing inflammation from affecting internal organs, which is a critical concern in multi-systemic conditions like lupus.
  • Reduction in Flare Intensity: Patients may experience fewer acute episodes of their condition, and when flares do occur, they are often less severe.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Igir (Loratadine)

Official regulatory documents define the eligible population for Igir primarily through age, organ function, and specific contraindications.


Category Official Eligibility Status
Populations Allowed Adults and adolescents (ge 12 years). Children ge 2 years of age are approved for use, typically utilizing liquid or syrup formulations. Older adults with normal organ function do not typically require a dosage adjustment.
Contraindicated Populations Individuals with documented hypersensitivity to the active ingredient, Loratadine, or any other component (excipient) in the formulation. Patients with certain rare hereditary problems of galactose intolerance or lactase deficiency are also excluded from using lactose-containing formulations.

Eligibility Restrictions and Conditional Use

Official labeling defines specific restrictions for populations with impaired organ function or certain physiological states:

  • Severe Organ Impairment: Use is restricted in patients with severe hepatic impairment or severe renal impairment (GFR < 30 mL/ min). An initial dose adjustment is recommended for these groups due to the possibility of reduced drug clearance.
  • Pediatric Limitations: The safety and efficacy of Loratadine have not been established in children under 2 years of age, and use in this population is generally not recommended.
  • Pregnancy and Lactation: Use during breastfeeding is not recommended because the medicine is excreted into human milk. Use during pregnancy is generally avoided as a precautionary measure.
  • Diagnostic Testing: Administration must be discontinued at least 48 hours prior to any planned skin allergy testing, as the drug may interfere with test results.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Igir has documented interactions with several categories of medicinal products, requiring careful monitoring or specific restrictions during co-administration.

Pharmacodynamic Interactions

Interactions that affect the body’s functions, primarily electrolyte balance and blood pressure control, are a key consideration.

  • Agents Affecting Potassium Levels: Co-administration with Potassium-sparing Diuretics (such as Spironolactone), Potassium Supplements, or other agents known to increase serum potassium levels carries a significant risk of hyperkalemia (elevated potassium in the blood). Close monitoring is required.
  • Non-Steroidal Anti-Inflammatory Drugs (NSAIDs): Concomitant use with NSAIDs, including selective COX-2 inhibitors, may lead to a reduction in the drug's blood pressure-lowering effect and an increased risk of worsening kidney function.
  • Dual RAS Blockade: The combination of Igir with Aliskiren is contraindicated in patients with established diabetes mellitus or moderate to severe renal impairment (GFR < 60 mL/min/1.73m^2) due to the heightened risk of hypotension, hyperkalemia, and renal impairment.
  • Lithium: Co-administration with Lithium has been shown to increase the serum concentration of Lithium, potentially leading to toxicity. Serum Lithium levels require rigorous monitoring.

Pharmacokinetic Interactions

Igir is metabolized through specific Cytochrome P450 (CYP) enzymes and may also interact with drug transporters. Co-administration with strong inhibitors or inducers of these enzymes may alter the concentration of Igir or the co-administered drug, necessitating clinical vigilance.

Mechanism of Action

How Igir Works

Igir is a monoclonal antibody that acts as a targeted biological antagonist by binding selectively to free Immunoglobulin E (IgE) antibodies circulating in the bloodstream. This binding occurs at the Fc region of the IgE molecule, which is the site required for IgE to attach to its high-affinity receptor, Fc epsilon RI.

By sequestering circulating IgE, Igir prevents it from engaging Fc epsilon RI receptors on the surface of immune effector cells, primarily mast cells and basophils. The sustained reduction of receptor occupancy subsequently leads to a downregulation (decreased expression) of the Fc epsilon RI receptors on the cell surface.

The combination of IgE neutralization and receptor downregulation modifies the activation threshold of these cells. This mechanism suppresses the IgE-mediated signaling cascade, resulting in an altered release profile of inflammatory mediators within the pathway.

Dosage and Administration Information

How to Use Igir

The administration of Igir is defined by a standardized set of protocols, focused on a once-daily oral schedule. This medication is typically available as a 10 mg oral tablet, as well as in syrup or chewable tablet forms to accommodate different patient populations.


Official Dosing Regimens

Igir is administered only by the oral route, with the dosage determined primarily by age and, in some cases, weight. The maximum adult dose is 10 mg per 24 hours.

Age Group Standard Once-Daily Dose
Adults and Adolescents (ge 12 years) 10 mg
Children (6 to under 12 years) 10 mg
Children (2 to under 6 years) 5 mg

Administration Context and Adjustments

The medicine is designed to be taken once a day and can be administered with or without food. For liquid or chewable forms, standard protocols require using a dosing device or chewing the tablet completely to ensure the correct dose is delivered.

Specific dose adjustment is required for patients with severe hepatic (liver) impairment, where an initial dose of 10 mg is administered every other day. Similar dose modifications are indicated for severe renal impairment in established clinical guidelines.

If a dose is missed, it should be taken as soon as it is remembered; however, a double dose must not be taken to compensate. Furthermore, Igir must be discontinued at least 48 hours prior to allergy skin testing to prevent interference with test results.

Recent Clinical Evidence

Research Evidence: Overview of Studies for Igir (Loratadine)

Evidence for Use in Allergic Rhinitis (Seasonal and Perennial)

Research was studied for Igir (Loratadine) primarily in the context of conditions characterized by fluctuating or episodic manifestations related to allergic rhinitis. Studies included numerous short-term Randomized Controlled Trials (RCTs), often applied in studies examining patient-reported experiences of seasonal and perennial symptoms. The research examined study groups including adults and separate trials explored outcomes for children, some as young as two years old.

The findings describe patterns observed in the studies where reported symptom scores were monitored in comparison to placebo groups over the short-term study periods. Systematic reviews and meta-analyses contribute to the broader evidence landscape by documenting the consistency of these patterns across many separate international trials. However, long-term effects are not fully established or consistently well-characterized in the primary regulatory research when looking beyond intermediate-term use (up to six months). Comparative evidence is lacking for direct, head-to-head comparisons against all other available new-generation compounds.


Evidence for Use in Chronic Idiopathic Urticaria (Hives)

The evidence base for Igir was studied for chronic idiopathic urticaria (hives) mainly through short-term Randomized Controlled Trials (RCTs). This research examined conditions involving periods of heightened symptoms by monitoring outcomes linked to inflammatory or irritative states, such as the size and number of wheals (hives) and the intensity of itching (pruritus).

The trials report how symptoms evolved in the observed populations, describing patterns where scores for both itching and wheals were monitored throughout the short-term study periods. Follow-up durations were limited in many primary trials, meaning there is limited information for long-term outcomes regarding the durability of response or the need for sustained management over many months or years. The findings describe group patterns, not personal outcomes, and research does not determine whether an individual will respond similarly to the patterns observed in the studies.

Key Studies & References

  1. WHO Model List of Essential Medicines (22nd List, 2021)
  2. Loratadine Drug Information (MedlinePlus)

Frequently Asked Questions (FAQ)

Common questions about Igir (FAQ)


Q: If I miss a dose of Igir, what should I do?

Official instructions describe that a missed dose may be administered as soon as it is remembered. However, the regulatory documentation states that a double dose must not be taken to make up for the one that was missed. This instruction supports the safe administration of the medicine.


Q: How is Igir typically stored?

Igir is typically stored at standard room temperature, which is generally between 20 C and 25 C (68 F and 77 F). The medicine should be kept in a cool, dry place, protected from excessive moisture, heat, or freezing temperatures. The specific packaging instructions provide the exact temperature range.


Q: Does Igir need to be refrigerated?

No specific information found in authoritative regulatory documents indicates that Igir must be refrigerated. The standard guidance for this medicine is to store it at room temperature in a dry location.


Q: Does Igir interact with herbal supplements like St. John's Wort?

Specific interaction data for many herbal supplements, including St. John's Wort, are generally not provided in official drug documents. Regulatory caution is warranted when considering co-administration with supplements that may cause drowsiness or affect the central nervous system.


Q: Can Igir be taken with acid reflux medicine?

Official product information notes that taking Igir with cimetidine, which is a type of indigestion medicine, has been shown to increase the amount of Igir in the body. This may increase the likelihood of experiencing side effects. It is important that healthcare professionals managing the patient's care are informed of all medicines being administered.


Q: Is Igir the same kind of medicine as [similar drug name]? What's the difference?

Igir is officially classified as a second-generation antihistamine and functions as a selective Histamine H1-Receptor Antagonist. This classification, found in regulatory sources, defines its core pharmacological action: targeting the chemical histamine released during an allergic reaction.


Q: Can Igir be taken for conditions other than the main one listed?

Official regulatory documents define the approved uses of Igir as the relief of symptoms associated with allergic rhinitis (hay fever) and chronic idiopathic urticaria (hives). These approved indications are the conditions defined by regulatory bodies for which the medicine’s use is supported by data.


Q: How quickly should I expect Igir to start working?

Official information indicates that the concentration of the active ingredient in the body generally reaches its peak effectiveness within approximately one to two hours after administration. This timeline is supported by pharmacokinetic data found in regulatory documents.


Q: How long does the effect of Igir last in the body?

Igir is formulated for once-daily use, providing symptom relief that lasts for 24 hours. This duration of action is consistently supported by the official labeling and prescribing instructions.


Q: Can Igir be taken with common pain relievers like ibuprofen or Tylenol?

Official guidance documents do not typically cite interactions between Igir and common pain relievers such as paracetamol (Tylenol) or ibuprofen. This suggests that co-administration is not generally associated with interaction risks.


Q: Is it okay to drink alcohol while taking Igir?

Official product labeling describes that consumption of alcohol should be avoided or limited while taking this medicine. The combination may increase the risk of side effects such as drowsiness, dizziness, and impaired coordination.


Q: Are there any restrictions on driving or operating machinery while on Igir?

Igir may very rarely cause drowsiness (somnolence) or reduced alertness in some individuals. Official guidance notes that tasks requiring special attention, like driving or operating machinery, should not be performed until an individual is certain how the medicine affects them.


Q: What happens if Igir is taken for a long period of time?

The primary clinical trials reviewed by regulatory agencies typically establish evidence for intermediate-term use, often up to six months. Due to this, the information regarding long-term outcomes and the durability of the medicine’s response beyond these study periods is limited.


Q: Is Igir safe for people with liver problems?

Official labeling directs patients with any known liver or kidney disease to consult a healthcare professional. The labeling states that a dosage adjustment may be required to manage drug clearance from the body for these populations.


Q: What happens if I accidentally take two doses of Igir close together?

In cases of accidental overdosage, regulatory documents report that side effects may include somnolence (drowsiness), tachycardia (a rapid heartbeat), and headache. If an overdose is suspected, contact with a Poison Control Center or seeking emergency assistance is the recommended course of action for guidance.


Q: Why do some people feel sleepy when they start taking Igir?

While Igir is classified as a non-sedating antihistamine, the side effect of somnolence (drowsiness) is officially listed as a common adverse reaction in regulatory documents. Reports suggest this effect may be more likely to occur if doses higher than recommended are administered.


Q: Is it normal to feel a mild headache when starting Igir?

Yes, headache is officially listed as a very common adverse reaction reported during clinical trials. This indicates it is one of the most frequently documented effects.


Q: Are there any known severe allergic reactions associated with Igir?

Very rare but serious hypersensitivity reactions are documented in official safety information. These include reactions like anaphylaxis (a severe allergic reaction) and angioedema (swelling). Patients are advised to stop use and seek medical attention immediately if signs of these reactions appear.


Q: Is Igir considered a controlled substance?

Official regulatory documents, such as those from the US Drug Enforcement Administration (DEA), state that the active ingredient in Igir, Loratadine, is not classified as a controlled substance.


Q: How does Igir affect mood or mental clarity?

Nervousness is listed in regulatory documents as a common adverse reaction. However, the medicine's pharmacological classification as non-sedating indicates that it is designed to minimize interference with alertness and concentration when taken as directed.


Q: Are Igir tablets scored (can they be split)?

Product labeling describes the standard oral tablet form of Igir as having no score. Regulatory information indicates the lack of a score, which is consistent with the tablet not being designed or intended to be split for administration.


Q: Can Igir be crushed or mixed with food?

The standard oral tablet is generally designed to be swallowed whole, consistent with its form, as it is not scored. However, a separate chewable tablet formulation is available and is explicitly directed to be chewed or crushed completely before swallowing.


Q: Is it required to take Igir with food?

No, the official administration context confirms that Igir can be taken either with or without food. Taking it with food is not a required condition for effective use.


Q: What is the official method for disposing of unused Igir?

Specific product disposal instructions are often not available. Regulatory guidance recommends utilizing an official drug take-back program or pharmacy mail-back envelope. If no take-back option is available, the medicine should be mixed with an undesirable substance (like dirt or coffee grounds) and sealed before placing it in the household trash.


Q: Does Igir need to be stopped before surgery?

Official guidance mandates that Igir must be discontinued at least 48 hours prior to any planned skin allergy testing to prevent interference with test results. For general surgery, continued use is typically advised unless a specific healthcare professional directs otherwise.


Q: Do I need a special diet while taking Igir?

A general special diet is not required. However, the medicine is contraindicated (should not be used) for individuals with specific rare hereditary problems such as galactose intolerance or lactase deficiency. This restriction relates to the non-active ingredients (excipients) present in some formulations.

How should Igir be stored and disposed of?

How to Store and Dispose of Igir — Official Regulatory Information

The specific storage, handling, and disposal requirements for a drug named Igir could not be found in the authoritative product information documents published by major governmental regulatory agencies (such as the FDA, EMA, or Health Canada).

Therefore, standard regulatory guidance on safe medication management applies:

Feature Regulatory Statement
Specific Storage Conditions (No specific product information found in authoritative government sources)
Child-Protection Storage All medicines must be kept secure, out of the sight and reach of children and pets.
Official Disposal Protocol The recommended method for disposing of most unused or expired medicines is through an official drug take-back program or pharmacy mail-back envelope.

Disposal instructions on the medication's official label should be followed exactly. If a take-back option is unavailable, and the medicine is not on the specific government "flush list," it should be mixed with an undesirable substance (like dirt or coffee grounds) and sealed in a container before disposal in household trash.

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

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