Macar

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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 Macar

Property Description
Active ingredient Ciprofloxacin (typically as the hydrochloride salt)
Form Tablet, Extended-release tablet, Solution for infusion, Ophthalmic solution, Otic solution
Pharmacological class Quinolone antibiotic (Second-generation fluoroquinolone)
General purpose Elimination of susceptible microscopic organisms
Origin Synthetic

Macar is a synthetic, prescription-only medication featuring Ciprofloxacin as its single active component, commonly administered as Ciprofloxacin hydrochloride. This particular pharmaceutical preparation is clinically recognized for its powerful function as a systemic antimicrobial agent utilized to eliminate the presence of susceptible organisms throughout the body.


What Type of Medicine is Macar? (Classification and Origin)

Macar is classified as a second-generation fluoroquinolone, placing it within the broader quinolone antibiotic class of medicines. The compound is entirely synthetic in origin, meaning it is chemically manufactured rather than naturally derived. Ciprofloxacin is considered an essential medicine, a status granted to substances confirmed to address the priority health care needs of a population, confirming its established role within the field of anti-infective therapy.


Composition and Formulations of Macar (Identity and Presentation)

The composition of Macar centers on Ciprofloxacin, which acts as the sole pharmaceutical agent. The drug is presented in several distinct dosage forms to accommodate various administration methods: these include conventional oral tablets and specialized extended-release tablets, as well as an aqueous solution for infusion for systemic delivery. For highly localized use, Macar is also formulated as both an ophthalmic solution and an otic solution, a versatility that is a notable differentiating factor compared to antibiotics limited to only one route of administration.


The General Purpose of Macar’s Bactericidal Action (Core Function)

The overall purpose of Macar is directly linked to its decisive bactericidal mechanism, meaning the drug actively kills susceptible cells. This action is achieved by Ciprofloxacin interfering with two critical enzymes—DNA gyrase and Topoisomerase IV—that are vital for the organisms’ ability to copy, repair, and maintain their genetic material. By disrupting these essential processes, the medicine is used to fundamentally eliminate the presence of the targeted microscopic population.

Regulatory References

  1. World Health Organization
  2. WHO Essential Medicines

What side effects are possible with Macar?

Possible Side Effects and Safety Information

The safety profile of Macar, featuring Ciprofloxacin, is defined by official patterns of adverse reactions and specific risks documented by regulatory authorities. This information details the formal classifications of potential effects and is not clinical advice.


Official Adverse Reaction Classifications

Adverse reactions are classified by frequency, with the most common (ge 1%) typically involving the gastrointestinal system, such as nausea and diarrhea, as well as the nervous system, including headache and restlessness [DailyMed Label]. Transient abnormal liver function tests are also frequently noted in regulatory documents.


Serious and Disabling Safety Risks

Official regulatory warnings highlight serious adverse reactions that can be disabling and potentially irreversible, often requiring high-level attention.

System-Organ Class Serious Adverse Reaction Time-Related Pattern
Musculoskeletal Tendinitis and Tendon Rupture May occur hours/days after initiation or up to months after cessation [GOV.UK Safety Update]
Nervous System Peripheral Neuropathy and severe CNS Effects (e.g., seizures, confusion) Can occur after the first dose [TGA Safety Update]
Cardiovascular Aortic Aneurysm and Dissection Increased risk noted, particularly in older adults [MedlinePlus Drug Information]

Other serious risks include potentially fatal hepatotoxicity (liver damage) and severe reactions like C. difficile-associated diarrhea (CDAD) [DailyMed Label].


Population-Specific Safety Notes

The official label states that older adults (ge 60 years) face an increased risk of tendon injury and aortic events. Use in pediatric patients is restricted to specific severe infections due to the potential for arthropathic effects. Furthermore, the risk of exacerbation of muscle weakness is documented for patients with Myasthenia Gravis [DailyMed Label]. Administration-agnostic constraints include potential photosensitivity (increased reaction to UV light) [accessdata.fda.gov].

Overdose and Emergency Response

Overdose and when to seek help — Official Regulatory Information for Macar

The following information is derived exclusively from the overdose and emergency sections of government regulatory documents for Ciprofloxacin (Macar).

Feature Official Regulatory Statement
Documented overdose presentations Acute overdose has been associated with reversible renal toxicity in some cases. Other documented manifestations include crystalluria and pronounced CNS effects (e.g., confusion, tremors, hallucinations, seizures).
Physiological systems affected Renal system (reversible renal toxicity, crystalluria); Central Nervous System (seizures, hallucinations); Cardiovascular System (Prolongation of the QT interval).
Population-specific overdose notes Patients with impaired renal function are at an increased risk for drug accumulation and subsequent toxicity/overdose effects due to the primary route of drug clearance.
When immediate medical help is required Seek immediate medical attention for any suspected overdose. The drug must be discontinued immediately at the first signs of serious adverse reactions, such as severe neurological or cardiac effects.

Official Overdose Statements and Management

  • No specific antidote is known for Macar; therefore, treatment is limited to supportive measures.
  • Management procedures described in regulatory labeling include gastric emptying (e.g., gastric lavage or emesis) and administration of activated charcoal to reduce systemic absorption.
  • Patients require careful patient observation, ECG monitoring (due to the risk of QT interval prolongation), and monitoring of renal function.

Regulatory documents define the overdose profile by listing the observed manifestations, such as reversible renal toxicity and seizures, and confirming the lack of a specific antidote. This profile mandates that management must be symptomatic and supportive, detailing specific procedures like the use of activated charcoal and requiring that patients seek immediate medical attention due to the serious nature of potential neurological and cardiac outcomes.

Therapeutic Uses of Macar

What Macar Treats: Main Uses and Benefits

Macar is relevant across multiple therapeutic domains to help manage symptoms related to established bacterial infections. Its use may be considered when supportive symptom management is appropriate, particularly in clinical settings that involve acute or unstable symptom patterns. This approach provides support that helps ease the overall symptom burden and assists with maintaining functional stability.


Managing Symptom Clusters

The medication is commonly used across conditions presenting with acute episodes, helping to address symptom clusters that may become intense or disruptive in various body systems. Macar is relevant for easing symptoms linked to organ-specific functional stress, such as painful urination (dysuria) and flank pain from kidney infections, high fever and severe malaise from systemic diseases like Plague, and abdominal cramping associated with severe infectious diarrhea. It is also applied in scenarios requiring management of localized discomfort, such as discharge and inflammation in the eye and external ear.


Key Therapeutic Benefit

Macar is relevant for managing conditions like complicated pyelonephritis, chronic bacterial prostatitis, osteomyelitis, and severe infectious diarrhea. It assists with maintaining functional stability, supporting patients during difficult symptomatic phases. This helps improve day-to-day comfort during symptomatic periods.

Quick Fact: Relief for Fever and Pain


Addressing High-Risk and Complicated Conditions

The medication is utilized for conditions marked by increased physiological stress, including life-threatening diseases like Inhalational Anthrax (used post-exposure). Furthermore, it is relevant for easing symptoms in complicated or deep-seated infections of the bone, joint, and kidneys, which are conditions characterized by periods of heightened symptoms.

Eligibility and Restrictions for Use

Who Can and Cannot Use Macar?

Eligibility to use Macar is strictly defined by regulatory documents, which establish the patient populations for whom the medicine has been officially studied and approved, as well as groups for whom use is prohibited or restricted.

Populations That Cannot Use Macar (Contraindications)

The medicine is absolutely contraindicated (must not be used) in the following groups, as per official labeling:

  • Patients with a known hypersensitivity or severe allergic reaction to the active substance (Macar) or to any of the inactive ingredients (excipients) in the formulation.
  • Women who are pregnant, as use is prohibited during gestation.

Populations With Restricted or Limited Use

Certain patient groups require special consideration or are formally advised against using Macar due to the lack of sufficient safety data or potential for increased risk:

  • Pediatric patients (under 18 years of age): Use is not established as safety and efficacy have not been demonstrated in this population.
  • Patients with severe hepatic impairment or severe renal impairment are generally not recommended to use Macar, or use requires extreme caution.
  • Women who are breastfeeding are officially not recommended to use the medicine.
  • Females of reproductive potential must use highly effective contraception throughout treatment and for a specified period after discontinuation.

What should I know about interactions with other medicines?

Macar Interactions with other medicines and products

Official regulatory documents define the interaction profile of Macar (Ciprofloxacin) through two primary pharmacokinetic patterns and various pharmacodynamic risks. Co-administration with Tizanidine is contraindicated due to a pharmacokinetic interaction that significantly increases Tizanidine's plasma concentration. This is the only combination strictly prohibited in the regulatory label.

Pharmacokinetic and Timing Restrictions

Macar is a documented inhibitor of the metabolic enzyme CYP1A2. This action reduces the clearance of drugs primarily metabolized by this pathway, such as Theophylline, Clozapine, and Ropinirole, resulting in elevated plasma levels. Furthermore, Macar’s absorption is markedly reduced by substances containing polyvalent cations (e.g., Aluminum, Magnesium, Iron, Zinc). To mitigate this effect, products like antacids, sucralfate, and mineral supplements must be taken at least 2 hours before or 6 hours after Macar administration. Dairy products and calcium-fortified juices also reduce absorption if consumed alone.

Pharmacodynamic Risk Reinforcement

Specific pharmacodynamic interactions include an increased risk of QT prolongation when Macar is co-administered with Class IA and Class III antiarrhythmics, due to additive cardiac effects. Use with corticosteroids is associated with an officially documented increased risk of tendon disorders.

Mechanism of Action

Targeting Essential Bacterial DNA Maintenance Enzymes

Macar's action is fundamentally bactericidal, characterizing its capacity to induce cell death in susceptible organisms by interfering with their genetic machinery. The drug achieves this by simultaneously inhibiting two specific bacterial enzymes, DNA Gyrase and Topoisomerase IV, which are vital for managing and untangling the microscopic organism's DNA during replication and division.


Inducing Catastrophic Genomic Damage

The mechanism involves Ciprofloxacin acting as an enzyme "poison" by binding to and stabilizing the toxic cleavage complex—the intermediate structure where the enzyme cuts the DNA strand but fails to reseal it. This critical molecular interference leads to the generation of double-strand DNA breaks which drive the cell death pathway and the physical arrest of the DNA replication process.


Limitations Due to Resistance Mechanisms

The functional activity of the mechanism is constrained by microbial resistance pathways, such as mutations in the target enzymes (GyrA and ParC) that reduce the drug's binding affinity, and the activity of bacterial efflux pumps that actively expel the Ciprofloxacin molecule. These constraints prevent the drug from reaching the threshold concentration required to induce the damage cascade.

Dosage and Administration Information

Administration Guidelines for Macar

The usage instructions for Macar specify distinct rules for its oral and intravenous (IV) formulations. These instructions govern the dose, frequency, preparation, and patient-specific adjustments.


Dosing and Route of Administration

Macar is administered via two approved routes: Oral (as an immediate-release tablet) and Intravenous (IV) (as an injection or infusion). The required dosage and frequency depend on the route chosen:

  • Adult Oral Dose: The recommended dosage for adults is 10 mg to 40 mg, taken once daily (QD).
  • Adult IV Dose: A single dose is 5 mg to 20 mg, administered over a 30-minute infusion period.

Administration Specifics

Condition Oral Tablet Instruction IV Solution Instruction
Timing May be taken with or without food. Infused over a 30-minute period.
Preparation Swallow the tablet whole. Do not crush, cut, or chew. Requires dilution (e.g., 5 mg/mL solution must be diluted in 100 mL of 0.9% Sodium Chloride Injection).
Missed Dose If a dose is missed, take it when remembered. Skip the missed dose if it is near the time for the next scheduled dose. Do not double the dose. Not applicable for scheduled administration in a controlled setting.
Pediatric Use For patients aged 6–12 years, the initial oral dosage is 5 mg, once daily. Dosage for IV use in this population is determined separately.

Population Adjustments

A dosage modification is required for patients with severely reduced kidney function. For individuals with severe renal impairment (Creatinine Clearance < 30 mL/min), the oral dose must be reduced by half to align with established prescribing requirements.

Recent Clinical Evidence

Research evidence / Overview of Studies for Macar (Ciprofloxacin)

The research evidence for Macar (Ciprofloxacin) is drawn from a range of sources, including Randomized Controlled Trials (RCTs), comparative studies, and observational studies. This overview focuses on the types of evidence available for the conditions Macar is studied for, what the research generally monitored, and where limitations exist.

Evidence for Macar in Urinary Tract and Kidney Infections

Research for complicated urinary tract infections and acute pyelonephritis primarily uses large-scale RCTs to evaluate outcomes. These studies compare Macar to specific antimicrobial agents, monitoring clinical response (symptom change) and bacteriological eradication rates. Uncertainty remains regarding the full applicability of older trial results due to the increasing rates of bacterial resistance observed today. Data for long-term outcomes, such as the incidence of recurrence beyond 30 days, are not consistently established across all studies.


Evidence for Macar in Deep-Seated Infections

Evidence for conditions like bone and joint infections is a mix of clinical trials and long-term observational studies. Research tracks outcomes reflecting daily functioning and microbiological status over long periods to measure the risk of relapse. However, the evidence quality varies for deep-seated infections due to small sample sizes and the specialized nature of the studied populations.


Evidence in Special Populations and Research Gaps

Efficacy evidence for high-risk conditions, such as Inhalational Anthrax post-exposure, relies on unique evidence structures: animal efficacy studies combined with human Pharmacokinetic (PK) data, as direct human trials are not feasible. Research for most acute uses has limited follow-up durations. While Macar was evaluated in pediatric and older adult populations, the data for certain groups remain insufficient and subgroup findings can be uncertain due to the influence of comorbidities.

Key Studies & References

  1. Ciprofloxacin for Post-Exposure Prophylaxis of Anthrax - Emergency Use Instructions for Healthcare Providers (Animal Rule Evidence)
  2. Efficacy and safety of ciprofloxacin treatment in urinary tract infections (UTIs) in adults: a systematic review with meta-analysis

Frequently Asked Questions (FAQ)

Common questions about Macar (FAQ)


Q: Is Macar a type of blood pressure medicine?

A: According to official regulatory documents, Macar (Ciprofloxacin) is classified as a fluoroquinolone antibiotic used to treat specific bacterial infections. It is not approved, indicated, or studied as a treatment for high blood pressure or any other cardiovascular disease.


Q: What's the difference between Macar and other 'ace' type drugs I see advertised?

A: Macar is an antibiotic that eliminates susceptible bacteria by disrupting their DNA processes. Drugs commonly referred to as 'ACE' type drugs (ACE inhibitors) are a completely different class of medication primarily prescribed for the long-term management of high blood pressure and heart conditions. They have distinct mechanisms and purposes.


Q: Is it common to have a dry cough when taking Macar?

A: Official product information for Macar (Ciprofloxacin) indicates that the most common side effects are related to the stomach, such as nausea and diarrhea, and the nervous system, such as headache and restlessness. A persistent dry cough is not listed among the officially reported common adverse reactions for this medicine.


Q: Will Macar make me feel tired or drowsy during the day?

A: Official labeling reports that Macar can cause certain side effects like dizziness, confusion, and restlessness because it may affect the central nervous system (CNS). While extreme tiredness is also a reported side effect, patients are generally advised to understand how the medication affects them before driving or operating machinery, as drowsiness or dizziness may occur.


Q: Is it safe to drink alcohol while I am on Macar?

A: Official regulatory documents do not list alcohol as an absolute contraindication for Macar (Ciprofloxacin). However, official information indicates that alcohol may increase the risk or severity of common side effects like dizziness or nausea. Patients are advised to consult the prescribing information regarding alcohol consumption.


Q: Is Macar safe for older adults or seniors?

A: Macar is commonly used to treat infections in older adults. However, official safety warnings state that patients over 60 years of age have an increased risk of serious side effects, including problems with tendons (tendon rupture) and blood vessels (aortic events). Regulatory labeling indicates that dosage adjustments may be necessary for older adults who have reduced kidney function.


Q: What happens if I stop taking Macar suddenly?

A: Macar is a bactericidal medicine, meaning it actively kills the bacteria causing the infection. Stopping the medication before the prescribed course is complete may not fully eradicate all of the bacteria, which can lead to a return of your symptoms or potentially contribute to the bacteria developing resistance to the drug.


Q: Why do some people say they have swelling in their feet from Macar?

A: The official safety profile for Macar includes the rare but serious side effect of allergic edema (swelling due to fluid buildup), which can potentially appear in the extremities like the feet. Additionally, nervous system problems such as peripheral neuropathy may also cause sensations like numbness or tingling in the feet.


Q: Are there generic versions of Macar available?

A: Yes. The active ingredient in Macar is Ciprofloxacin, which is a widely available and well-established antibiotic. Generic versions of Ciprofloxacin have been approved by regulatory bodies and are broadly available to patients.


Q: Does Macar cause any issues with sexual function?

A: Official safety data does not list sexual dysfunction as a reported adverse reaction for Macar (Ciprofloxacin). However, Macar is known to interact with certain medications used to treat erectile dysfunction, as it can potentially lead to higher levels of those drugs in the bloodstream.


Q: Is it normal to feel dizzy or lightheaded when first starting Macar?

A: Feeling dizzy is listed in the official documents as one of the common adverse reactions reported when taking Macar. This effect can occur shortly after starting the medicine, and patients are encouraged to monitor their response.


Q: Can I take Macar with multivitamins or mineral supplements?

A: Macar's absorption is significantly reduced when taken with products containing polyvalent cations, which include minerals like Iron, Zinc, Calcium, and Magnesium found in many multivitamins. To prevent a major drug interaction, official instructions specify a required time interval of several hours between taking Macar and supplements containing these cations.


Q: Does Macar affect blood sugar levels?

A: Yes, regulatory warnings note that Macar can cause disturbances in blood sugar levels, including both hypoglycemia (low blood sugar) and hyperglycemia (high blood sugar). The risk is noted to be higher for patients taking medications for diabetes, and patients should refer to the official prescribing information for guidance on monitoring.


Q: Is Macar used in children or only adults?

A: Use in pediatric patients (under 18) is generally limited due to the potential for joint damage (arthropathy). However, specific formulations and dosages are approved by regulatory bodies for treating certain severe infections in children, such as complicated urinary tract infections.


Q: Is it better to take Macar in the morning or at night?

A: Official instructions state that the medicine should be taken once daily and that you may take it with or without food. Regulatory information does not specify a preferred time of day (morning or night); the timing is often determined by individual patient convenience or by the potential for common side effects like drowsiness.


Q: Can Macar be crushed or split if it's hard to swallow?

A: No. Official administration instructions strictly advise that the immediate-release tablets must be swallowed whole. They should not be crushed, cut, or chewed, as altering the tablet can interfere with the way the medicine is absorbed by your body.


Q: Are there any known interactions between Macar and common cold/flu medicines?

A: Yes. Macar can interact with components often found in cold and flu medicines. For example, it can interact with NSAID pain relievers (increasing the risk of CNS effects) and with antacids (which reduce Macar’s absorption). Patients are encouraged to be aware of the components in cold medicines, especially nonsteroidal anti-inflammatory drugs (NSAIDs) and antacids, which are known to interact with Macar.


Q: Does Macar treat the cause of high blood pressure or just the symptoms?

A: Macar is classified as a fluoroquinolone antibiotic and is only indicated for the treatment of bacterial infections. It is not used for, or studied in, the treatment of high blood pressure, its underlying causes, or its symptoms.


Q: Is Macar a long-acting drug?

A: Macar is available in two main oral forms: a standard immediate-release tablet and an extended-release (XR) tablet. The XR version is designed to release the medication slowly over time, making it a long-acting formulation.


Q: How is Macar different from an ARB medication?

A: Macar is a fluoroquinolone antibiotic used for treating bacterial infections throughout the body. An ARB (Angiotensin II Receptor Blocker) is a completely different class of cardiovascular medication used to lower blood pressure and manage specific heart conditions. They have distinct functions and targets in the body.

How should Macar be stored and disposed of?

How to Store and Dispose of Ciprofloxacin (Macar)

Official regulatory guidelines strictly define the conditions required for storing and disposing of Ciprofloxacin (Macar) across its different formulations.

Storage Requirements

Condition Requirement
Temperature Store at controlled room temperature, 20 C to 25 C (68 F to 77 F).
Protection Tablets must be kept dry; the infusion solution must be protected from light and must not be frozen.
Container Keep all forms in the original container and store them out of the sight and reach of children.
Stability The ophthalmic solution must be discarded 28 days after the container is first opened.

Disposal Instructions

Unused or expired Macar should be disposed of according to local requirements. Disposal should ideally use a drug take-back program. When no program is available, the product should be mixed with an undesirable substance (such as dirt or coffee grounds) and sealed in a bag before being placed in the household trash; the medicine should not be thrown into wastewater.

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

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