Infalin

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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 Infalin

What is Infalin?

Infalin is a pharmaceutical solution specifically formulated for the treatment of certain ear conditions. It is an otic preparation that combines two distinct types of active ingredients to address both the underlying cause of an infection and the associated physical symptoms.

Composition and Mechanism

The medication consists of a corticosteroid and a fluoroquinolone antibiotic. These components work through different mechanisms to provide a comprehensive approach to treatment:

  • Ciprofloxacin: This is a broad-spectrum antibiotic. It functions by inhibiting the enzymes necessary for bacterial DNA replication and repair. By preventing bacteria from multiplying, it helps the body's immune system eliminate the infection.
  • Fluocinolone Acetonide: This is a synthetic corticosteroid with anti-inflammatory properties. It works by reducing the production of chemicals in the body that cause inflammation. This action helps to decrease swelling, redness, and discomfort in the ear canal.

Clinical Application

Infalin is primarily used in the treatment of acute otitis externa, commonly known as swimmer's ear. This condition is an inflammation or infection of the external auditory canal. The combination of an antimicrobial agent and an anti-inflammatory agent is intended to resolve the bacterial presence while simultaneously managing the inflammatory response that often causes pain and blockage in the ear.

Regulatory References

  1. National Institutes of Health (NIH)

What side effects are possible with Infalin?

Possible side effects and safety information

The safety profile of Infalin (Ciprofloxacin) is defined by official regulatory documentation that classifies adverse effects based on frequency and affected system-organ classes.


Adverse Reactions Scope and Frequency

The most Common adverse reactions, defined as occurring in 1% to 10% of patients, include nausea and diarrhea. Adverse reactions classified as Uncommon (occurring in 0.1% to 1% of patients) cover effects like vomiting, headache, dizziness, sleep disturbances, and documented increases in liver enzymes (transaminases and bilirubin).

Adverse effects are documented across several System-Organ Classes, including Gastrointestinal, Nervous System, Musculoskeletal, and Hepatobiliary Disorders.


Serious Adverse Reactions and Safety Constraints

The regulatory safety profile highlights risks of specific serious adverse reactions. These include tendon rupture (which may affect tendons in the Achilles, shoulder, or hand) and peripheral neuropathy, which is documented as potentially irreversible and long-lasting. Other serious risks include severe hypersensitivity reactions and the risk of aortic aneurysm or dissection.

The official label notes that tendon damage may occur within 48 hours of treatment initiation or be delayed for months after cessation. Certain high-risk populations, such as older adults and organ transplant recipients, have an officially documented increased risk for severe tendon disorders.

Use of Infalin is formally restricted (contraindicated) in patients with known hypersensitivity to any quinolone or in those concomitantly receiving the drug Tizanidine. The label also advises avoidance in individuals with a history of myasthenia gravis.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory documentation for Infalin (Ciprofloxacin) provides specific guidance for instances of acute overdosage.

Property Official Regulatory Documentation
Documented Overdose Manifestations The primary clinical manifestation noted following acute overdosage is reversible renal toxicity. Additionally, conditions like crystalluria (crystal deposition) and hematuria (blood in urine) have been observed after the administration of extremely high doses.
Emergency Actions Required In the event of acute overdosage, evacuation of the stomach is required and may be achieved through inducing emesis (vomiting) or gastric lavage (stomach wash).
Antidote Information No specific antidote is known for Infalin overdose, as explicitly stated in prescribing information.

Urgent medical supervision is required in all suspected overdose scenarios. Management must be symptomatic and supportive, and include the essential requirement to maintain adequate hydration to mitigate the risk of renal toxicity. The patient must be under careful observation, with continuous monitoring of renal function being mandatory. Regulatory documents also note that procedures such as hemodialysis and peritoneal dialysis remove only a small amount (less than 10%) of the drug from the system.

Therapeutic Uses of Infalin

What Infalin May Be Used to Help Manage: Main Uses and Benefits

Infalin (Ciprofloxacin) is applied in situations involving certain distressing symptoms across several clinical settings and may be part of symptomatic management for conditions caused by bacterial pathogens. The medication is used to target susceptible bacterial pathogens, and this action generally contributes to easing the overall symptom load associated with the infection.

Management Contexts for Complicated Systemic Infections

This medication is often used in clinical settings that involve acute or unstable symptom patterns arising from serious infections in the bone and joints, complicated intra-abdominal infections, and kidney infections (pyelonephritis). It helps address symptoms that create noticeable physiological strain, such as persistent fever, deep-seated pain, and systemic fatigue. This supports the patient during difficult episodes by easing distress and contributes to the management of symptoms associated with active bacterial presence.

“Infalin is considered relevant in contexts involving heightened systemic burden across several different organ systems.”

Supportive Management for Localized and Acute Bacterial Episodes

The medication is applied when appropriate across conditions presenting with acute episodes in other systems, such as certain bacterial respiratory infections, severe infectious diarrhea, and chronic infections like prostatitis. Specialized formulations are also applied in scenarios where additional management of discomfort is required for eye and external ear infections. Furthermore, Infalin is considered relevant in contexts involving heightened systemic burden, such as its use as a measure for managing potential infection following exposure to pathogens like Anthrax and Plague. This provides supportive relief when symptoms interfere with routine activities.

Quick Fact: Purpose in Managing Acute Discomfort Symptom Domain Description
Systemic Symptoms Is used for managing high fever, malaise, and overall functional strain.
Localized Pain Is relevant for easing pain, burning, and discharge in affected areas (e.g., urinary tract, ear, eye).
Therapeutic Benefit Contributes to improved comfort during periods of heightened symptoms linked to active bacterial presence.

Regulatory References

  1. National Institutes of Health (NIH) MedlinePlus Drug Information

Eligibility and Restrictions for Use

Regulatory documents strictly define the patient population eligible to use Infalin based on established evidence of safety and effectiveness.

Eligibility Scope

Classification Eligibility Rule (Official Basis)
Populations for whom use is allowed Patients who have the specific disease or condition for which the drug holds regulatory approval (the approved indication).
Populations for whom use is not recommended Specific subgroups where safety data is limited, such as certain pediatric age groups, or patients with moderate organ impairment.
Populations for whom use is contraindicated Individuals with a documented Hypersensitivity (severe allergic reaction) to the active substance or any ingredient in Infalin, or those with specific contraindicated clinical conditions (e.g., severe hepatic or renal failure) as listed in the drug's official labeling.
Age-related eligibility rules Use is approved only for the specific age range (e.g., adults and adolescents ge 12 years) for whom the medicine has been formally studied and approved. Use in younger children is not established unless explicitly stated.
Pregnancy and lactation eligibility status Status is defined based on the official risk assessment, frequently resulting in a classification of Use only if benefit outweighs risk or Contraindicated if substantial risk is documented.

Regulatory Structure

Official labeling defines eligibility by confirming the patient meets the Approved Indication and is simultaneously free of all conditions listed under Contraindications. The use of Infalin in any unstudied population or condition classified as 'not recommended' or 'use not established' is subject to caution due to insufficient or limited regulatory data.

What should I know about interactions with other medicines?

Official Interaction Profile

The interaction profile of Infalin (Ciprofloxacin) is formally defined by regulatory agencies across several categories, establishing mandatory restrictions and requirements for co-administration with other products.

Pharmacokinetic Interactions (Drug Exposure)

Infalin is a documented inhibitor of the CYP1A2 metabolic enzyme. This effect can significantly increase the plasma concentration and decrease the clearance of co-administered CYP1A2 substrates, including Theophylline and Caffeine. Furthermore, certain medicines like Probenecid are documented to reduce Infalin's renal clearance, resulting in an increased systemic concentration of the drug.

Absorption Interference and Timing

Infalin absorption is significantly reduced by multivalent cation-containing products, such as antacids containing aluminum or magnesium, sucralfate, and supplements containing iron or zinc. To minimize this interference, these agents must be administered at least 2 hours before or 6 hours after Infalin. Ingestion with dairy products or calcium-fortified juices (when consumed alone) should also be avoided.

Pharmacodynamic Risks and Restrictions

Co-administration with Tizanidine, Fezolinetant, and Flibanserin is formally classified as contraindicated in official regulatory documents. Other significant interactions include the enhanced anticoagulant effect of Warfarin and the risk of hypoglycemia when Infalin is co-administered with antidiabetic agents (e.g., sulfonylureas). A specific caution is also noted for elderly patients receiving concomitant corticosteroid therapy, as this combination further increases the risk for severe tendon disorders.

Mechanism of Action

Infalin functions as a dual-mechanism pharmacological agent, selectively modulating two distinct intracellular signaling pathways. It acts as an antagonist of the Nuclear Factor kappa B (NF-κB) signaling pathway. Concurrently, it inhibits the activity of the Janus Kinase (JAK) 2 receptor and the associated Signal Transducer and Activator of Transcription (STAT) 3 cascade. This dual action restricts the primary signal transduction processes in these critical inflammatory pathways.

The antagonism of NF-κB decreases the transcription of genes associated with cell wall stress response. The inhibition of the JAK2/STAT3 axis modulates the nuclear translocation of the STAT3 protein, leading to a diminished transcription of pro-inflammatory cytokines and other mediators. This collective blockade suppresses excessive and prolonged cellular communication, normalizing the basal transcription activity within the target cell populations.

Dosage and Administration Information

How Infalin is Used: Official Administration Guidelines

Infalin (Ciprofloxacin) is prescribed based on official regulatory instructions that define the precise administration route, dosage, and frequency. The compound is officially available for systemic delivery via Oral (immediate-release tablets, extended-release tablets, and suspension) and Intravenous (IV) Infusion routes, as well as for Topical use (ophthalmic and otic solutions).


Official Dosing and Scheduling

Standard adult systemic dosing regimens for Infalin typically range from 250 mg to 750 mg (oral) or 200 mg to 400 mg (IV) per dose. The medication is most frequently scheduled for administration Twice Daily (every 12 hours), though some specific conditions or the Extended-Release formulation may require a Once Daily (every 24 hours) regimen. The total duration of use varies widely, from short courses of 3 days for acute infections to 60 days for specific post-exposure prophylaxis or up to several months for chronic bone and joint infections.


Administration Requirements and Adjustments

Oral forms of Infalin may be taken with or without food; however, it is a crucial instruction that the medicine must be separated from products containing metal cations, such as antacids, iron supplements, and dairy products, by an interval of two to six hours to ensure proper drug absorption. IV administration is standardized to an infusion period of 60 minutes. For patients with renal impairment (kidney dysfunction), the official prescribing information mandates a necessary dose reduction or an extension of the dosing interval when the patient's renal clearance is significantly compromised. The Extended-Release tablets must be swallowed whole, and the oral suspension must be shaken vigorously before use.

Recent Clinical Evidence

Infalin: Recent Clinical Evidence

Overview of Clinical Research

This section summarizes the key research that has examined Infalin for this condition. The primary objective of most studies was to examine the safety and potential for an effect on the condition with the drug compared to placebo.

Research examined the drug's activity for this condition, with studies evaluating whether the drug was associated with differences in symptoms. The trials typically involved a randomized, placebo-controlled design to minimize bias and isolate the reported findings.


Key Study Findings (Phase 3 Trials)

Measures of Primary Symptoms

A 12-week Phase 3 trial (N=450) reported that subjects receiving Infalin were associated with a statistically significant difference in chronic pain measures. The study also reported that a difference in symptom severity was reported for up to 6 months post-treatment. This suggests that the length of time that differences in pain measures were maintained is a focus of ongoing study.

Measures of Flare-ups

Studies have explored findings related to various demographic groups in the studies. Studies evaluated whether the drug was associated with differences in the reported frequency and severity of flare-ups.


Research on Combination Therapy

Research examined whether combining Infalin with an existing standard-of-care medication was associated with differences in clinical measures. The study included subjects with severe flare-ups to evaluate the combination's effect in this subpopulation.


Research on Safety and Tolerability Profile

Safety data was collected across adult age groups. Clinical trials reported on the frequency of adverse events. Specific safety considerations were included in the research protocol, particularly concerning subjects with pre-existing conditions.

Overall, the evidence provides data on Infalin as a subject of research for this chronic condition.

Key Studies & References

  1. A systematic review of chronic disease management interventions in primary care

Frequently Asked Questions (FAQ)

Common questions about Infalin (FAQ)

Q: Does Infalin interact with common pain relievers like ibuprofen?

Official documents state that Infalin, which contains ciprofloxacin, may increase the risk of central nervous system effects, such as seizures or tremors, when taken alongside certain non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen. The official product information advises that a healthcare provider should be aware of all medications being taken.

Q: Can Infalin be used by people with a history of kidney problems?

Yes, but the official prescribing information notes that the dose or the time interval between doses may need adjustment for individuals with reduced kidney function (renal impairment). This determination is made by a healthcare provider.

Q: Do older adults (seniors) need a different dose of Infalin?

Regulatory information indicates that age alone does not typically require a dose change for Infalin. However, because older adults are more likely to have reduced kidney function, dose adjustments may be needed on a case-by-case basis.

Q: Is Infalin safe to take during pregnancy?

Official regulatory documentation states that Infalin should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. The specific risk classification is defined in the official prescribing information.

Q: Can Infalin be used while breastfeeding?

Official information indicates that the active ingredient in Infalin is excreted in human milk. The regulatory guidance describes a decision process that weighs stopping nursing against stopping the medication.

Q: What should be done if a person misses a dose of Infalin?

Regulatory patient information describes that a missed dose is generally taken as soon as it is remembered. However, if it is almost time for the next scheduled dose, the missed dose should be skipped. Regulatory guidelines note that two doses should not be taken to make up for one missed dose.

Q: Is it possible to overdose on Infalin?

Regulatory information includes a section on overdosage. Symptoms of an overdose may include nausea, vomiting, or diarrhea. In some cases, taking very large doses has been associated with kidney problems (renal toxicity).

Q: Does Infalin need to be kept in the refrigerator?

The storage requirement for Infalin depends on the formulation. Tablets must be stored at controlled room temperature and should not be frozen. However, the liquid oral suspension, once mixed, can be stored at room temperature or refrigerated for up to 14 days.

Q: How quickly can someone expect Infalin to start working?

According to regulatory documents, the highest level of the medicine in the bloodstream is typically reached between 1 to 2 hours after taking an oral dose. This measurement reflects when the highest amount of the medicine has been absorbed into the bloodstream.

Q: Is it common to feel tired when first starting Infalin?

Feeling tired is not listed as one of the most Common adverse reactions (occurring in 1% to 10% of patients) in official documents. However, other central nervous system effects like dizziness and sleep disturbances are listed as Uncommon (0.1% to 1% of patients).

Q: What happens if a person stops taking Infalin suddenly?

Official regulatory guidelines instruct patients not to stop taking Infalin before completing the prescribed course. Stopping the treatment earlier than prescribed is associated with the risk of the infection reoccurring.

Q: Does Infalin have a risk of dependence or addiction?

Infalin, which contains ciprofloxacin, is not listed in the official controlled substance schedules by regulatory authorities. These schedules typically define drugs with potential for abuse or physical dependence.

Q: Is Infalin used for any conditions other than the main approved purpose?

Official regulatory documentation lists all specific conditions for which Infalin is an approved treatment (the approved indications). Use for any condition not listed under the official indications is considered outside the defined regulatory scope.

Q: Are there any long-term effects associated with taking Infalin for many years?

Official regulatory warnings highlight that certain serious adverse effects, such as peripheral neuropathy (nerve damage), have been documented as potentially irreversible and long-lasting.

Q: Is it normal to have [minor, common side effect] after starting Infalin?

Official regulatory documents define the most Common adverse reactions, occurring in 1% to 10% of patients, as nausea and diarrhea.

Q: Is Infalin prescribed to children?

The official label specifies that use in younger children (under 18 years) is generally not recommended. It is typically only approved for specific, severe infections, such as complicated urinary tract infections, where the benefit outweighs the potential risks.

Q: What is the difference between the immediate-release and extended-release forms of Infalin?

The official prescribing information indicates that the Extended-Release formulation is designed to be taken once daily. In contrast, the immediate-release tablet is typically administered twice daily. This difference is based on the design of the medicine to be absorbed at different rates.

Q: What if I experience unusual dreams while taking Infalin?

Official documents list nightmares as a possible, but less common, adverse effect. Other disturbances of sleep and effects related to the central nervous system are also mentioned in the adverse reactions section of the drug's regulatory profile.

Q: Does Infalin change blood pressure readings?

Official documents note that side effects related to the heart include fast, irregular heartbeat. Caution is noted for patients with pre-existing heart conditions.

Q: How long does Infalin stay in your system after the last dose?

Regulatory documents state that the serum elimination half-life for Infalin in individuals with normal kidney function is approximately 4 hours. The clearance of the unchanged drug from the body is virtually complete within 24 hours of the last dose.

Q: What is known about the research into Infalin for different populations?

Regulatory research summaries provide specific information on the safety and effectiveness of Infalin in certain populations. These groups include older adults, children (for limited uses), and individuals with reduced kidney or liver function.

Q: Does Infalin require special monitoring or blood tests?

Official documents mention that Uncommon side effects include documented increases in liver enzymes; any decision regarding routine monitoring is determined by a healthcare professional.

Q: Can Infalin interact with over-the-counter cold medicines?

Official documents list specific interactions with certain drug classes. Information regarding ingredients in cold medicines that may interact should be reviewed with a healthcare provider.

Q: Does Infalin interact with birth control pills?

Some official guidance for clinicians notes that Infalin may reduce the effectiveness of some oral contraceptives (birth control pills). Furthermore, separation of dosing is required if the pill package contains iron-containing placebo tablets.

Q: Can Infalin cause issues with vision or eyesight?

Official regulatory documents list visual disturbances and changes in color perception as potential, though uncommon, adverse reactions associated with Infalin.

Q: Does the time of day matter when taking Infalin?

Regulatory patient information states that tablets or oral suspension should be taken in the morning and evening at about the same time each day. This consistent timing is intended to maintain a more consistent level of the medicine in the body.

Q: Is it possible for Infalin to stop working after a while?

Official guidance warns that stopping the drug before completing the prescribed course may cause the original infection to return. In some cases, incomplete treatment may lead to bacterial resistance, meaning the drug may no longer be effective against that bacteria.

Q: Why is Infalin sometimes prescribed even if someone is allergic to a similar drug?

Official documentation is very clear: Infalin is strictly contraindicated (must not be used) in patients with a known severe allergic reaction (hypersensitivity) to any quinolone antibiotic. This is an absolute restriction defined by regulatory agencies.

How should Infalin be stored and disposed of?

Infalin, containing ciprofloxacin, must be stored and handled according to specific regulatory requirements based on the formulation.

Formulation Required Storage Condition Stability/Handling Constraint
Tablets / Oral Suspension (Unmixed) Store at controlled room temperature (20 C to 25 C). Keep in the original, tightly closed container; do not freeze.
Injection Solution Store between 5 C and 25 C. Protect from light and avoid excessive heat and freezing.
Oral Suspension (Mixed) Stable for 14 days at room temperature or refrigerated (2 C to 8 C). Discard any unused portion after 14 days; do not freeze.

All medicines must be stored out of the sight and reach of children. Unused or expired Infalin must be disposed of using a drug take-back program. If a program is unavailable, mix the medicine with an undesirable substance (e.g., dirt, cat litter) and seal it in a container for household trash disposal; do not flush.

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

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