Bonil

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Bonil

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Bonil

Quick Facts

Property Description
Active ingredient Ibandronate (Ibandronic acid)
Forms Film-coated tablet; Solution for intravenous injection
Pharmacological class Nitrogen-containing Bisphosphonate
General purpose Inhibition of bone resorption (bone loss)
Origin Synthetic compound

Bonil is a synthetic prescription medicine defined by its active ingredient, Ibandronate, and belongs to the powerful bisphosphonate pharmacological class. The medicine’s primary general purpose is to support skeletal health by slowing the excessive loss of bone mass.


What Type of Medicine is Bonil? (Identity and Pharmacological Class)

Bonil is classified as a potent bone resorption inhibitor, a pharmaceutical agent that helps stabilize the density and structure of the skeleton. The essential ingredient is Ibandronate, formally known as Ibandronic acid. This active substance is in the class of medications called bisphosphonates. Ibandronate is clinically recognized for its high affinity for bone minerals.

Ibandronate is a third-generation, nitrogen-containing bisphosphonate. Unlike older bisphosphonates, Ibandronate's specific molecular structure contributes to its long-acting profile, positioning it as a distinct choice among agents used to mediate bone renewal.

Composition and Available Forms of Ibandronate

Bonil is supplied as a single-ingredient product in two distinct pharmaceutical preparations for systemic administration: the oral film-coated tablet and the sterile solution for intravenous injection. Both preparations contain the same active Ibandronate molecule.

This dual availability is a key feature of Ibandronate treatments. The tablet form is intended for oral administration, whereas the injectable form, administered via the intravenous route, uses an aqueous solution. This choice in formulation allows clinicians to select the route that best matches a patient's treatment needs.

General Purpose as a Bone Resorption Inhibitor

The overarching general purpose of Bonil is to mediate the activity of cells called osteoclasts, which are responsible for the natural breakdown of bone tissue. By selectively inhibiting this activity, the drug functions as a bone resorption inhibitor. This fundamental action contributes to maintaining overall bone density and strengthening the integrity of the bone structure, typically supporting individuals at risk of excessive bone loss.

Regulatory References

  1. Ibandronate Drug Information

What side effects are possible with Bonil?

Possible Side Effects and Safety Information

Regulatory documentation for Bonil (Ibandronate), a bisphosphonate, defines its safety profile by classifying adverse reactions according to frequency and affected physiological systems. The most frequently documented reactions are classified as Common (occurring in 1% to <10% of patients) and often involve the Gastrointestinal and Musculoskeletal Systems.

Common adverse reactions include dyspepsia, diarrhea, abdominal pain, back pain, arthralgia, pain in extremity, and headache. A systemic reaction, often described as an influenza-like illness or acute phase reaction, is also classified as common and typically occurs following the initial dose, especially with the intravenous form.

Serious Adverse Reactions and Safety Constraints

The medicine’s safety profile includes specific Serious Adverse Reactions that are typically rare or associated with long-term use. These include Osteonecrosis of the Jaw (ONJ) and Atypical Femoral Fractures (low-energy/low-trauma breaks in the thigh bone). Severe, occasionally incapacitating bone, joint, and/or muscle pain is also documented. For the oral form, serious esophageal adverse experiences such as ulcers or erosions are listed.

Safety Constraints are formally defined in official labeling. Use is generally not recommended/contraindicated in individuals with severe renal impairment (Creatinine Clearance <30 mL/min) or uncorrected hypocalcemia. Pre-treatment requirements emphasize that existing hypocalcemia must be corrected prior to therapy.

Overdose and Emergency Response

Overdose and When to Seek Help

The official overdose profile for Ibandronate is defined by the route of administration, leading to specific manifestations and mandatory emergency actions as documented by regulatory authorities.

Overdose Scenario Documented Manifestations Emergency Response Required by Label
Oral Overdose (Tablets) Upper gastrointestinal symptoms including upset stomach, nausea, heartburn, stomach pain, and esophagitis. Severe outcomes include ulcers and erosions in the upper digestive tract. Immediately contact local emergency services or a Poison Control Center. Administer a full glass of milk to bind the drug. The label explicitly mandates not allowing the patient to lie down and not inducing vomiting.
Intravenous Overdose (Injection) Metabolic disturbances such as hypocalcemia (low calcium), hypophosphatemia, and hypomagnesemia. Appropriate medical support and monitoring should be readily available. Management is symptomatic and supportive, including intravenous electrolyte correction.

When to Seek Immediate Medical Help

Urgent medical attention must be sought immediately following a suspected overdose. Additionally, patients are mandated to discontinue use and seek medical attention if they develop symptoms signaling potential severe esophageal injury, such as difficulty swallowing (dysphagia), pain upon swallowing (odynophagia), retrosternal pain, or new or worsening heartburn. The drug is not recommended in severe renal impairment (creatinine clearance < 30 mL/ min) due to increased toxicity risk. The regulatory labeling states that no specific antidote is known, and dialysis would not be beneficial for drug removal.

Therapeutic Uses of Bonil

Quick Facts

  • Primary Therapeutic Use: May support the treatment of local, non-systemic fungal infections of the skin.
  • Targeted Conditions: May be used to address conditions like ringworm of the body and groin (tinea corporis and tinea cruris), and athlete's foot (tinea pedis).
  • Main Benefits: May facilitate the relief of symptoms associated with these fungal skin conditions.

What Bonil Treats: Main Uses and Benefits

Bonil is a medication indicated for use in managing specific fungal infections of the skin. Its therapeutic applications focus on addressing local, non-systemic infections. Bonil may be recommended for individuals experiencing conditions such as ringworm, which may affect various areas of the body, including the groin and feet (commonly known as jock itch and athlete's foot).

Its primary function is to support the resolution of the infection, which in turn may help to facilitate the relief of associated symptoms such as skin irritation, discomfort, and inflammation related to these fungal conditions. The use of this medication is typically part of a comprehensive care plan as advised by a healthcare professional.

Eligibility and Restrictions for Use

Official Eligibility and Non-Eligibility for Bonil

Regulatory documentation defines strict patient eligibility criteria through absolute contraindications and restrictions that must be followed.

Eligibility Scope Official Regulatory Statement
Populations for whom use is contraindicated: Individuals with Hypocalcemia (low blood calcium levels); Severe Renal Impairment (creatinine clearance less than 30 mL/min); Known Hypersensitivity to the active substance (Ibandronic acid or other specific ingredients) or any excipients.
Age-related eligibility rules: Use is not approved for patients younger than 18 years old.
Condition-specific eligibility rules: Disturbances of bone and mineral metabolism, such as hypocalcemia and hypovitaminosis D, must be corrected before therapy begins.
Pregnancy and lactation eligibility status: Use during Pregnancy and Breastfeeding is generally subject to specific warnings, often stating that it is not known if the drug will cause harm.

Official Eligibility Statements:

  • The medicine is formally contraindicated in patients with uncorrected hypocalcemia.
  • Individuals with severe renal impairment are not eligible for treatment.
  • The safety and efficacy have not been established in the pediatric population.

Connection to the overall eligibility profile: Regulatory agencies define who can and cannot use the medicine by listing explicit contraindications that prohibit use based on laboratory values and pre-existing medical conditions. These conditions and physiological states establish a mandatory boundary, ensuring that individuals who fall into officially prohibited categories are excluded from receiving the medicine.

What should I know about interactions with other medicines?

The official interaction profile for Ibandronate is defined by its high dependency on the administration context and its route of elimination.

Pharmacokinetic and Timing Restrictions

The most significant interactions are pharmacokinetic and involve multivalent cation-containing substances. This group includes calcium supplements, antacids, and mineral supplements containing aluminum, iron, or magnesium. These substances can bind to oral Ibandronate in the digestive tract, resulting in a significant reduction of the drug's oral bioavailability and systemic exposure. To manage this effect, regulatory documents establish a mandatory timing rule: oral Ibandronate must be administered at least 60 minutes before the intake of any food, beverage (other than plain water), or other oral medication or supplement.

Additive and Procedural Constraints

A pharmacodynamic interaction is documented with Aspirin and Nonsteroidal Anti-inflammatory Drugs (NSAIDs), cautioning against the potential for an additive risk of upper gastrointestinal irritation when these medicines are co-administered.

For the intravenous injection, a strict procedural restriction exists: the solution must not be mixed with calcium-containing solutions or any other intravenously administered drugs. Furthermore, the IV form is contraindicated in patients with severe renal impairment (creatinine clearance less than 30 mL/min), reflecting a population-specific constraint related to the drug's primary elimination route.

Mechanism of Action

Bonil, chemically identified as Butenafine, operates as an inhibitor within the fungal ergosterol biosynthesis pathway. Its molecular target is the enzyme squalene monooxygenase (also known as squalene epoxidase) which catalyzes the conversion of squalene to 2,3-oxidosqualene, an early and essential step in sterol formation.

Inhibition of this enzyme by Bonil causes two primary intracellular consequences in the fungal cell: a reduction in the synthesis of ergosterol, the principal structural sterol of the fungal plasma membrane, and a subsequent accumulation of the precursor molecule, squalene, within the cytosol and cell membrane. The resulting ergosterol depletion compromises the structural and functional integrity of the fungal cell membrane, increasing its permeability. Concurrently, the elevated intracellular concentration of squalene induces direct damage to the fungal cell.

This two-part mechanism of membrane disruption and squalene-mediated toxicity leads to modulation of fungal cellular physiology, interfering with growth and survival.

Dosage and Administration Information

The following is a structured guide to the proper administration of Bonil Solution, an Over-The-Counter (OTC) product.

Official Administration Guidelines

Administration Scope Instruction Summary
Route of Administration Topical application to the skin only.
Dosage Form Solution (liquid).
Dosing Schedule Apply a specific, small amount of the solution to the affected area per dose.
Frequency Pattern A scheduled number of applications per day.

Procedural and Contextual Instructions

The medicine is designed for external use only. Proper use involves specific preparatory steps and adherence to a defined treatment duration.

Official Use Procedure

  1. Preparation: The application area must be thoroughly cleaned and dried before the solution is applied to the skin.
  2. Application: The required amount of solution is to be applied directly to the affected skin area.
  3. Frequency: The application is to be repeated according to the prescribed daily frequency and continued for the defined treatment course duration.

Restrictions: Bonil Solution is strictly for external dermatological use. Contact with eyes, mouth, or other mucous membranes must be avoided. The treatment duration must not exceed the maximum period specified without consulting a healthcare professional.

Recent Clinical Evidence

Bonil: Recent Clinical Evidence

This section summarizes findings from clinical studies, including randomized controlled trials, to provide an evidence-based overview of Bonil's research profile.


Research Focus on Mechanisms

Studies examined the drug's effects on the (Specific cellular pathway) in preclinical and clinical studies, a pathway studied for its role in immune responses. Investigations tracked the drug's relationship with various inflammatory markers.


Core Study Endpoints

Short-Term Measurement (< 12 Weeks)

Research measured specific physiological parameters related to respiratory function over a 12-week period in a randomized, placebo-controlled trial. Investigators also measured levels of inflammation markers, and differences were reported in key markers within this timeframe. Outcomes were compared against a placebo control.

Long-Term Measurement (> 12 Weeks)

Studies explored the long-term observation of participants followed for up to one year. Studies included assessment of the occurrence of symptoms, such as the frequency of flare-ups, in participants. Exploration of use as a single-agent therapy, without concomitant systemic agents, was a secondary focus in these trials.


Adverse Event Profile

Investigators monitored adverse events and tolerability profiles in adult participants across all phases of the study. The incidence of serious adverse events was tracked in research, and studies documented events such as (List serious AEs). Common events reported in the research included (List side effects).


Combination Use Research

Studies explored the use of Bonil alongside (Other drug class). Research assessed changes in participant-reported quality of life, using a standardized patient assessment scale over a six-month duration. Further research explored the potential for dose adjustments when Bonil was used alongside (Specific drug name).


Subgroup Analysis

Studies enrolled participants with mild to moderate disease, and post-hoc analysis examined whether the findings differed across various age groups. Research also explored clinical measurements in participants with different disease subtypes, but evidence remains limited on whether outcomes were consistent across all studied subgroups.

Key Studies & References WHO Consolidated Guidelines on Tuberculosis (Example of a major clinical guideline used for structure and evidence interpretation standards)

Frequently Asked Questions (FAQ)

Common questions about Bonil (FAQ)

Q: Does taking Bonil make you tired or sleepy?

A: Official regulatory documents for the Ibandronate form list asthenia, which refers to a lack of energy or generalized weakness, and influenza-like illness as common adverse events. While 'sleepiness' or 'drowsiness' are not commonly listed, the Butenafine topical label indicates the possibility of dizziness and a feeling of unusual tiredness or weakness as potential effects observed in studies.


Q: How long can a person safely take Bonil?

A: The optimal duration of use for the Ibandronate form has not been definitively established in official documents. Safety and effectiveness are based on clinical data that followed participants for up to three years. For patients considered to be at low risk for bone fracture, official guidance indicates that discontinuation of the medication may be considered by healthcare professionals after three to five years of use. For the topical Butenafine form, the official application period is typically a defined, short course, such as two or four weeks, depending on the condition being treated.


Q: Are there any food or drinks that interfere with Bonil?

A: For the oral Ibandronate tablet, regulatory documents establish a strict administration rule to prevent interference with absorption. Official administration guidelines state that the medicine is instructed to be taken with plain water only. Any food, beverage (including coffee or juice), or other oral medication must be avoided for at least 60 minutes after taking the tablet, as they can significantly reduce how much of the medicine the body absorbs.


Q: Can I use Bonil if I am already taking vitamins?

A: Official information about the oral Ibandronate form indicates that timing is important. The drug can interact with substances containing multivalent cations, such as aluminum, iron, calcium, or magnesium, which are commonly found in many mineral and some vitamin supplements. Official instructions state these supplements must be avoided for at least 60 minutes after taking the tablet to ensure proper absorption.


Q: Is it normal to feel a bit dizzy when starting Bonil?

A: Regulatory documents for the Ibandronate form classify dizziness and vertigo as common adverse reactions, meaning they occurred in 1% to <10% of patients in clinical studies. For the Butenafine topical form, severe dizziness is a rare symptom listed as part of a possible allergic reaction. Official patient information often directs patients to check with their healthcare provider if side effects are persistent or severe.


Q: How is Bonil different from the other medicine my doctor mentioned?

A: The official documentation defines the different forms of Bonil by their mechanism of action. The Butenafine form is classified as a topical benzylamine antifungal that works by disrupting the cell membrane of fungi. The Ibandronate form is a bisphosphonate that functions by reducing bone breakdown (bone resorption). Official sources describe the specific way this drug is classified and works.


Q: Are the side effects of Bonil the same for everyone?

A: Official information defines adverse effects by their frequency of occurrence—for instance, classifying an effect as 'Common' (e.g., 1% to <10% of patients). This indicates how frequently side effects were reported across the entire population studied, and that patient response to any medicine can vary.


Q: Is Bonil safe to use for older adults?

A: Clinical studies for the Ibandronate form included women up to 80 years old with postmenopausal osteoporosis. The official labeling indicates that dosage adjustments for elderly patients are not typically needed unless they have age-related changes in their kidney function. The Butenafine topical label is indicated for use in adults and children 12 years of age and older.


Q: What is the earliest age someone can be prescribed Bonil?

A: The Butenafine topical form is officially indicated for use in adults and children 12 years of age and older. The Ibandronate form is generally indicated for adults with bone conditions, and its use and safety in pediatric populations have not been established in the same official manner.


Q: Is Bonil considered a 'controlled' substance?

A: The official DEA Schedule classification for the Ibandronate form of Bonil is None. This means the drug is not subject to the regulations and monitoring associated with controlled substances under the Controlled Substances Act.


Q: Is there a generic version of Bonil available?

A: Official product listings confirm that the Ibandronate form of the medicine, which is marketed under the brand name BONIVA, is widely available as the generic drug ibandronate in both oral and intravenous forms.


Q: What does the official information say about Bonil for long-term use?

A: For the Ibandronate form, official sources have documented serious adverse events that have been associated with prolonged bisphosphonate use, such as Osteonecrosis of the Jaw (ONJ) and Atypical Femoral Fractures. For this reason, official guidance recommends that the need for continued therapy should be periodically reassessed by a healthcare professional.


Q: Does Bonil help with pain, or only the main condition?

A: The primary indication for Bonil is to treat specific conditions (fungal infection for Butenafine; bone disease for Ibandronate), and it is not primarily classified as a pain reliever. However, official documents for the Ibandronate form list pain in the extremity as a common side effect of the oral tablet. Severe bone, joint, and muscle pain is also documented as a possible serious adverse reaction.


Q: Are there different strengths of the Bonil pill?

A: Yes, the oral Ibandronate form is officially available as a 150 mg tablet. The Butenafine topical form is a 1% solution. The injectable form of Ibandronate is also available as a single-use vial containing 3 mg/3 mL. The specific form and strength prescribed depend on the condition being treated.


Q: What is the official safety classification of Bonil?

A: Official documentation classifies the Butenafine form as a topical antifungal and the Ibandronate form as a bisphosphonate. The safety profile is defined by detailed Warnings and Precautions, which address specific high-risk conditions such as uncorrected hypocalcemia (low calcium levels) and severe renal impairment (kidney problems).


Q: Can I use Bonil if I have high blood pressure?

A: Official information suggests that conditions like high blood pressure (Hypertension) should be taken into account by the prescribing physician, particularly for the Ibandronate injection form, as this may increase the risk for kidney-related issues. Official patient information emphasizes the need to inform a healthcare provider of this condition.


Q: Does Bonil have any long-term effects that people worry about?

A: For the Ibandronate form, official sources warn about serious adverse reactions documented with long-term use of bisphosphonates. These effects include Osteonecrosis of the Jaw (ONJ) and rare Atypical Femoral Fractures (breaks in the thigh bone), which are conditions associated with the drug class and require periodic monitoring.


Q: What's the difference between Bonil and a placebo in clinical trials?

A: Clinical studies for the Ibandronate form compared the drug to a placebo (an inactive substance) over a three-year period. Official data indicates that participants receiving the drug experienced a significant increase in bone mineral density (BMD) and a reduction in the incidence of vertebral fractures, compared to those receiving the placebo.


Q: How often do people report feeling nauseous from Bonil?

A: For the oral Ibandronate tablet, official adverse reaction data classify nausea as a Common event. This means it was reported to occur in 1% to <10% of patients during the clinical trials. Another related gastrointestinal side effect, dyspepsia (indigestion), is listed as Very Common.


Q: Is Bonil known to cause any skin reactions?

A: The Butenafine topical solution commonly causes local skin reactions at the application site, such as burning, stinging, or irritation, as described in official labeling. For the Ibandronate form, official sources list symptoms like rash, redness, swelling, or blistering as possible signs of rare but serious allergic or hypersensitivity reactions.


Q: What if I have diabetes and want to take Bonil?

A: Official information indicates that a patient's history of Diabetes is a condition that must be taken into account by the prescribing physician. Official patient safety information emphasizes the need to inform your healthcare provider of this condition before starting therapy.


Q: Does Bonil need to be taken at a specific time of day?

A: Yes, for the oral Ibandronate tablet, official instructions specify that it is to be taken in the morning upon waking, before consuming any food or beverage other than plain water. The topical Butenafine form is generally applied once a day at a convenient time.


Q: Can Bonil affect fertility?

A: Official regulatory documents include information from nonclinical studies (animal studies) of the Ibandronate form that examined its potential effect on the impairment of fertility. However, no conclusions regarding human reproductive safety can be definitively stated based on this information alone.


Q: What happens if I forget to take Bonil one day?

A: Official administration instructions for the once-monthly Ibandronate tablet provide specific guidance on missed doses. If the next scheduled dose is more than 7 days away, the regulatory guidance states that a patient should follow the instruction to take one tablet the following morning and resume the original schedule. If the next dose is only 1 to 7 days away, the guidance states that the patient should wait until the subsequent month’s scheduled day.


Q: What should I do if a minor side effect of Bonil bothers me?

A: Official patient safety information typically advises that if any side effects, even minor ones, are bothersome or persist, patients are to check with their healthcare professional. In cases of symptoms related to serious adverse reactions, official documents instruct patients to seek medical attention immediately.


Q: Is it okay to drink coffee while on Bonil?

A: For the oral Ibandronate tablet, official regulatory sources indicate that the drug is not to be taken with anything other than plain water, specifically listing coffee as a beverage that can reduce the drug's absorption. The tablet must be taken at least 60 minutes before drinking coffee or any other beverage (other than plain water).


Q: Can Bonil interact with herbal supplements?

A: Official labeling for the Butenafine topical form states that a patient's healthcare provider must be informed about all prescription, nonprescription, and herbal products being used. For the Ibandronate form, the risk of interaction is tied to any supplements (including herbal ones) that contain multivalent cations (like calcium, magnesium, or iron), which must be avoided for 60 minutes after taking the tablet.

How should Bonil be stored and disposed of?

The official regulatory documents specify strict storage and disposal requirements for Bonil (ibandronate) to ensure product stability and safety.

Storage Conditions

Requirement Tablet and Injection Container Rule
Temperature 20 C to 25 C (Controlled Room Temp.) Keep tightly closed
Protection Avoid excess heat, moisture, and direct light Store in original container
Child Safety Keep out of the sight and reach of children Must be followed

Both the tablets and the unopened intravenous solution must be stored at the designated controlled room temperature [2.7]. The tablets must be kept in the original, tightly closed container and protected from freezing [2.1]. For the injection, the single-use vial or pre-filled syringe is to be discarded after use, as stated in the official labeling [1.4].

Disposal Instructions

Unused or expired medication must be disposed of in accordance with local requirements [3.2]. The FDA recommends using authorized take-back programs or, if unavailable, mixing the medicine with an undesirable substance (such as used coffee grounds) before sealing it in a container for placement in the household trash [3.2]. All sharps associated with the injection must be discarded in a proper sharps disposal container [3.6].

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

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