Mahacef-CV

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Mahacef-CV

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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 Mahacef-CV

Property Description
Active Ingredients Cefixime, Clavulanic Acid
Form Oral Tablet, Oral Suspension (Dry Syrup)
Pharmacological Class Combination Antibiotic (Third-Generation Cephalosporin with Beta-Lactamase Inhibitor)
Common Use Treating Bacterial Infections
Origin Synthetic

What Type of Medicine is Mahacef-CV?

Mahacef-CV is a prescription medicine categorized as a combination antibiotic used for the systemic management of bacterial infections. This drug entity is a synthetic fixed-dose formulation that belongs to the cephalosporin antibiotic class.

The drug combines two distinct active ingredientsCefixime and Clavulanic Acid—to enhance its effectiveness against resilient bacteria. Cefixime is a potent third-generation cephalosporin, which functions as the primary agent for bactericidal action by inhibiting bacterial cell wall synthesis. The inclusion of Clavulanic Acid, which is not an antibiotic itself, strategically categorizes Mahacef-CV as a dual-mechanism drug, setting it apart from single-agent antibiotics used via the oral route.

What is Mahacef-CV Made Of? (Composition and Form)

Mahacef-CV is composed of the active ingredients Cefixime and Clavulanic Acid, provided for oral use typically as an oral tablet or an oral suspension (dry syrup).

The formulation is a fixed-dose combination product, ensuring a precise amount of each component is delivered with every dose. The critical function of Clavulanic Acid is to protect the Cefixime molecule by neutralizing a specific bacterial defense mechanism. Combining a beta-lactamase inhibitor with a beta-lactam antibiotic provides a therapeutic advantage to help overcome microbial resistance. This makes the medicine particularly suitable for managing infections commonly caused by resistant strains.

Why Is It a Combination Product? (General Purpose and Mechanism Summary)

It is a combination product because it strategically uses Clavulanic Acid to overcome bacterial resistance, thereby broadening the drug’s ability to treat infections effectively.

The strategic combination addresses the challenge posed by bacteria that produce the beta-lactamase enzyme, which can chemically inactivate the Cefixime antibiotic. By acting as a beta-lactamase inhibitor, Clavulanic Acid effectively shields Cefixime, allowing the third-generation cephalosporin to successfully achieve its general purpose of killing bacteria and clearing the infection. This combination is specifically designed for infections where such resistance is a concern. This drug provides no therapeutic benefit against common illnesses caused by viral infections.

Regulatory References

  1. Cefixime: MedlinePlus Drug Information

What side effects are possible with Mahacef-CV?

Possible Side Effects and Safety Information

This section outlines possible adverse reactions and safety restrictions for Mahacef-CV (cefixime/clavulanic acid) as documented in official regulatory sources. This information does not constitute medical advice or instructions for use.


Documented Adverse Reactions

Adverse reactions are classified by frequency and body system. Gastrointestinal disturbances are among the most Common events reported in regulatory documentation, while severe, clinically significant reactions are documented as Rare.

Frequency Examples of Body Systems Affected
Common Gastrointestinal (e.g., diarrhea, nausea, abdominal pain)
Rare/Infrequent Hematologic (e.g., transient reductions in blood cell counts), Hepatic (e.g., transient increases in liver enzymes)
Not Known Renal/Urinary (e.g., acute kidney failure), Skin (e.g., severe blistering syndromes)

Serious and Clinically Significant Risks

Official documents mandate warnings for critical, though infrequent, adverse events. These include Anaphylaxis (a severe allergic reaction), Severe Cutaneous Adverse Reactions (such as Stevens-Johnson Syndrome), Hemolytic Anemia (destruction of red blood cells), and Acute Renal Failure. The medicine can also disrupt the normal gut bacteria, which may lead to severe, persistent diarrhea associated with Clostridioides difficile (C. difficile).

Safety Restrictions and Population Considerations

The medicine is strictly Contraindicated in individuals with a known history of hypersensitivity or severe allergic reactions to any cephalosporins, penicillins, or other beta-lactam antibiotics due to cross-reactivity risk. Caution and monitoring are required for patients with pre-existing renal impairment or hepatic impairment; dosage adjustments may be necessary to minimize the risk of drug accumulation and potential side effects, such as seizures.

Overdose and Emergency Response

Overdose and When to Seek Help

Regulatory documents define the overdose profile for this medicine by detailing potential severe Central Nervous System (CNS) and Gastrointestinal (GI) manifestations that necessitate immediate medical attention. Exposure to massive overdose may present with symptoms associated with encephalopathy, including confusion, impairment of consciousness, and convulsions (seizures). Severe gastrointestinal effects such as diarrhea are also documented.


Required Emergency Actions and Management

Official labeling mandates that users seek medical attention immediately upon any sign of a severe adverse drug reaction or suspected overdose. Contact emergency services for critical signs such as seizure, collapse, or trouble breathing.

Management Concept Regulatory Statement
Antidote Status No specific antidote exists for Cefixime overdose.
Intervention General supportive measures and symptomatic treatment are recommended. Gastric lavage may be indicated in acute overdosage.
Dialysis Efficacy The drug is not removed in significant quantities from the circulation by hemodialysis or peritoneal dialysis.

Population-Specific Overdose Risk

The risk of severe CNS effects, including encephalopathy, is increased in patients with pre-existing renal impairment during an overdose scenario, as noted in official prescribing information. This highlights a crucial risk factor for careful consideration.

Therapeutic Uses of Mahacef-CV

Mahacef-CV is generally applied in settings where supportive management of acute infections caused by susceptible bacteria is needed. The primary active agent is relevant in therapeutic settings, often applied across various bacterial illnesses. The medication may assist with managing acute symptomatic episodes related to bacterial infections in the respiratory tract (including tonsillitis, pharyngitis, acute bronchitis exacerbations, and sinusitis), the middle ear (Otitis Media), and the urinary tract (uncomplicated UTIs).

Key Therapeutic Contexts

It is also relevant for supportive symptom management in specific conditions like Typhoid Fever. The combination formula is relevant in contexts involving heightened systemic burden, often applied across domains where additional symptomatic support is needed. The medication may assist with managing symptom clusters that involve fever, pronounced sore throat, ear pain, and burning sensation during urination.

“The goal is to provide supportive relief during difficult episodes by helping to ease the overall symptom burden.”

Quick Fact: Support for Acute Symptomatic Episodes
This combination supports easing symptoms that may create noticeable physiological strain, such as pain and inflammation associated with uncomplicated UTIs and Otitis Media.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Mahacef-CV eligibility is defined by official regulatory documentation, primarily based on patient history, age, and underlying conditions.

Populations for Whom Use is Contraindicated

The most restrictive rule is absolute contraindication for any patient with a known history of severe hypersensitivity to Cefixime, Clavulanic Acid, the cephalosporin class, or the penicillin class of antibiotics.

Eligibility Status Population Group Regulatory Status
Allowed Adults, Geriatric Patients Use established under standard conditions.
Allowed Pediatric Patients 6 months of age and older only.
Not Established Infants Safety and efficacy have not been established for infants younger than 6 months.
Restricted Renal Impairment (Adults) Conditional eligibility; requires formal dosage adjustment for CrCl < 60 mL/min.
Conditional Pregnant Women Use is permitted only if clearly needed.
Conditional Nursing Mothers Consideration for temporarily discontinuing nursing is advised.

Additionally, use requires caution in patients with a history of gastrointestinal diseases like colitis.

What should I know about interactions with other medicines?

Mahacef-CV Interactions with other medicines and products

The interaction profile for Mahacef-CV, which contains Cefixime and Clavulanic Acid, documents specific co-administration constraints based on regulatory findings.


Interactions Affecting Coagulation and Plasma Concentration

Co-administration with Warfarin and Anticoagulants is officially reported to result in an increased prothrombin time (PT), which is a pharmacodynamic effect on blood coagulation parameters. In post-marketing experience, co-administration with the antiepileptic medicine Carbamazepine has been documented to cause elevated Carbamazepine plasma concentrations (increased exposure). The regulatory label contains no explicit statements regarding clinically significant interactions mediated by Cytochrome P450 enzymes or specific drug transporters. No mandatory time-separation rules for drug administration are stated in the official prescribing information.


Interaction-Related Restrictions

Mahacef-CV is formally classified with antibiotics that are contraindicated for use with specific live bacterial vaccines. These prohibited combinations include BCG Vaccine live, Cholera Vaccine, and Typhoid Vaccine live (attenuated Ty21a), due to the risk of interference reducing vaccine effectiveness.


Interference with Diagnostic Testing

The drug is officially documented to interfere with specific laboratory tests. This interference may lead to a false-positive reaction for glucose in the urine (when tested with methods like Benedict's or Fehling's solutions) and a false-positive reaction for ketones in the urine (when tested using nitroprusside). A false-positive direct Coombs test has also been reported as a documented class effect of cephalosporins.

Mechanism of Action

The mechanism of Mahacef-CV relies on two complementary actions executed by its components, Cefixime and Clavulanic Acid, which converge to achieve a bactericidal effect—the death and elimination of susceptible pathogens.

Disrupting Bacterial Cell Wall Assembly

The core mechanism involves Cefixime acting as an irreversible inhibitor of Penicillin-Binding Proteins (PBPs), which are enzymes essential for synthesizing the rigid, protective peptidoglycan layer of the bacterial cell wall. By blocking this final assembly step, the drug initiates a cascade that causes the bacterial cell to rapidly lyse (rupture) due to high internal osmotic pressure. The primary bactericidal action results from the Cefixime component, which irreversibly inhibits the enzymes required for peptidoglycan cross-linking.

Neutralizing Microbial Defense Mechanisms

The complementary component, Clavulanic Acid, is a mechanism-based inhibitor that targets beta-lactamase enzymes. These bacterial enzymes act as a defense by chemically destroying the structure of Cefixime before it can reach the PBPs. Clavulanic Acid functions solely as a protector; it has minimal intrinsic bactericidal activity but neutralizes the bacterial defense enzyme (beta-lactamase). By neutralizing and permanently inactivating the beta-lactamase enzyme, Clavulanic Acid protects the Cefixime molecule, allowing the antibiotic to exert its bactericidal effect against bacterial strains that employ this resistance mechanism. The dual-action mechanism results in the elimination of susceptible bacterial cells due to structural failure and the protection of the inhibiting molecule.

Dosage and Administration Information

Mahacef-CV is a prescription combination medicine containing Cefixime and Clavulanic Acid that must be used strictly according to official prescribing instructions.

Official Administration Guidelines

Route of Administration The drug is for oral administration only, available as a tablet or an oral suspension.
Timing in Relation to Meals The medicine may be taken without regard to food, as its absorption is not significantly modified by meals.
Standard Adult Dose The standard recommended dose is 400 mg (Cefixime component) daily. This dose may be given once daily or divided into 200 mg doses every 12 hours.
Preparation Requirements The oral suspension must be shaken well before each use. Tablets may be split in half to achieve a 200 mg dose when necessary.
Course Duration The usual course of treatment is 7 to 14 days. Treatment for infections caused by Streptococcus pyogenes must be administered for at least 10 days.
Renal Impairment Dosing Dose adjustments are required for impaired renal function. Patients with a Creatinine Clearance less than 20 mL/min should not exceed 200 mg once daily.

Administration Protocol

The total prescribed daily dose should be taken at around the same time(s) every day for the full duration of the prescribed course. If a dose is missed, it should be taken as soon as it is remembered. However, if it is almost time for the next scheduled dose, the missed dose should be skipped, and the regular schedule should be continued. Doses should not be doubled to compensate for a missed dose.

These official instructions define the standardized, non-negotiable protocol for administering the medicine, including the fixed dose ranges, frequency, duration, and necessary adjustments for specific patient populations.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Mahacef-CV


Evidence for Use in Acute Respiratory and Ear Infections

This section will summarize the structure of comparative clinical trials for the combination in studies exploring infections like Otitis Media and acute bronchitis, detailing the primary measures researchers used to track clinical and microbiological status.

Research exploring this medicine's use for infections such as those in the middle ear (Otitis Media) and the respiratory tract has often utilized comparative clinical trials. Researchers primarily tracked outcomes related to clinical response status—observing how symptoms evolved over a defined time period—along with pathogen eradication rates, which involved monitoring the status of susceptible bacteria in the infected area. Studies monitored patient cohorts including both children (relevant for Otitis Media research) and adults. Findings describe patterns observed in the studies related to the resolution of acute symptoms, such as fever or pain, and the status of the causative bacteria measured at follow-up.

Evidence for Use in Uncomplicated Urinary Tract Infections (UTIs)

This section will outline the evidence base for UTIs, which includes case series and in-vitro testing, focusing on what was studied regarding the clearance of susceptible organisms, including those with known resistance mechanisms.

The evidence base for uncomplicated UTIs often utilized comparative research alongside in-vitro susceptibility testing. Research examined the combination’s activity against specific bacterial samples, including those identified as drug-resistant. In clinical settings, the research often monitored outcomes related to microbiological success (assessing the status of urine cultures) and clinical success (observing the reduction of discomfort like a burning sensation).

Evidence is limited for UTIs caused by highly resistant organisms, often consisting of small case series and retrospective data, indicating the certainty for these findings remains low. Follow-up durations were limited, typically focusing on short-term clearance and relapse rates.

Evidence in Specific Patient Populations

This section will outline which groups have been included in the research, such as children and adults, and will address any documented studies or significant gaps regarding the evidence for the drug in other groups.

Studies monitored populations that included both children (particularly for ear and urinary tract infections) and adults (in studies related to respiratory and urinary tract infections). However, data for certain groups remain limited. Specifically, comparative evidence is lacking or limited in patient subgroups defined by specific underlying health issues (comorbidities) or advanced age. Findings describe patterns in the populations studied, and there are currently gaps regarding the extent of data available for groups such as pregnant patients.

Research Gaps and Areas of Uncertainty

The research highlights what is known and what is still uncertain about this combination. Evidence quality varies across studies, and reliance on small patient cohorts or retrospective data for certain resistant infections means the level of certainty remains low in those contexts. Subgroup findings are uncertain, and research is ongoing to better characterize the performance of the fixed-dose combination in varied patient groups. Comparative evidence against all treatment standards is limited in the available research for this combination.

Key Studies & References

  1. In vitro comparison of activity of Cefixime with activities of other orally administered antimicrobial agents

Frequently Asked Questions (FAQ)

Common questions about Mahacef-CV (FAQ)

Q: What are the main conditions that Mahacef-CV is approved to treat?

A: Regulatory documents list the main conditions for which this medicine is approved. These include uncomplicated urinary tract infections, otitis media, pharyngitis and tonsillitis, and acute exacerbations of chronic bronchitis. It is also indicated for the treatment of uncomplicated gonorrhea.

Q: What type of bacteria is Mahacef-CV designed to target?

A: Mahacef-CV is designed to target a wide spectrum of bacteria commonly involved in its approved indications. The drug combines a third-generation cephalosporin (Cefixime) with a component that shields it against certain common bacterial defense mechanisms. This dual action is intended for use against susceptible bacterial isolates, such as E. coli and Streptococcus pyogenes.

Q: Can Mahacef-CV be used for any type of bacterial infection?

A: Mahacef-CV is a prescription medicine that should not be used for all types of infections. Regulatory information states that it should only be used when infections are confirmed or strongly suspected to be caused by bacteria that are susceptible to the drug's action. This practice helps to minimize the development of antimicrobial resistance.

Q: Why is the drug sometimes prescribed for sinus issues?

A: The drug is officially indicated for treating Otitis Media (middle ear infection). Because of its action against common bacterial causes of infections in the head and upper respiratory tract, it is generally used in clinical settings for certain bacterial Sinusitis infections.

Q: Is Mahacef-CV used to treat infections in the lungs or chest?

A: Official documents describe the drug's use for treating infections, including acute exacerbations of chronic bronchitis. This condition involves the air passages in the lungs. The official documentation provides the full list of infections for which the drug is indicated.

Q: Why is it important to finish the whole course of Mahacef-CV?

A: The official administration guidelines state that the full duration of the prescribed course must be completed. This is important to reduce the development of drug-resistant bacteria and maintain the medicine's effectiveness against the infection. Completing the full course supports the long-term effectiveness of the drug.

Q: What is the risk of developing resistance when using this medicine?

A: One of the primary goals of appropriate antibiotic use is to reduce the development of drug-resistant bacteria. Official instructions emphasize that the drug should only be used to treat proven bacterial infections to minimize this risk. This practice is intended to help maintain the long-term effectiveness of the drug.

Q: How quickly does the antibiotic component start working against bacteria?

A: Regulatory studies on the drug's activity indicate how quickly the medicine enters the bloodstream. Peak concentrations of the antibiotic component in the plasma are typically reached 2 to 6 hours after an oral dose. This is the period when the highest amount of the medicine is available in the blood to begin working against susceptible bacteria.

Q: How long does Mahacef-CV stay in your system after you stop taking it?

A: Pharmacokinetic studies indicate how long the medicine remains active in the body. The average plasma half-life of the antibiotic component is approximately 3 to 4 hours in healthy individuals. The medicine is gradually eliminated from the body based on this half-life measurement.

Q: Does Mahacef-CV cause sleepiness or drowsiness?

A: Official warnings list potential side effects affecting the central nervous system. These documented effects include the possibility of experiencing dizziness or drowsiness. If you experience these effects, follow the cautions regarding driving or operating machinery.

Q: Are there restrictions on driving or operating machinery while taking Mahacef-CV?

A: Due to the potential for side effects affecting the central nervous system, such as dizziness, confusion, or seizures, official patient information contains a general caution. If you experience any of these effects, you should avoid driving or operating machinery.

Q: What should I do if a rash develops after starting the medicine?

A: Official safety information warns that allergic reactions, including a rash, have been reported with this medicine. If an allergic reaction occurs, the official label states that the drug must be discontinued. Severe skin reactions are considered clinically significant risks described in the official warnings.

Q: Is it possible for a fungal infection to start while taking Mahacef-CV?

A: Yes, the official warnings mention that using this medication for prolonged or repeated periods may result in the overgrowth of non-susceptible organisms. This microbial imbalance can lead to a fungal superinfection, such as oral thrush or a new vaginal yeast infection.

Q: Does Mahacef-CV interact with alcohol?

A: The official labeling has no known interaction reported between the Cefixime component of the medicine and alcohol. This information relates only to the chemical interaction of the drug component, and is not a general health recommendation.

Q: Are there any food or drinks I should avoid while using Mahacef-CV?

A: Official information does not report known interactions between the antibiotic component and alcohol. However, antacids that contain ingredients like cimetidine or ranitidine may decrease the absorption of the medicine. Consistency with intake timing is generally recommended for all oral medicines.

Q: What if I take an antacid around the same time as Mahacef-CV?

A: Official drug interaction information notes that antacids containing ingredients like cimetidine or ranitidine can decrease the absorption of the medicine into the bloodstream. This may reduce the amount of drug available to fight the infection.

Q: Does Mahacef-CV affect the effectiveness of birth control pills?

A: Yes, the antibiotic component Cefixime is known to have interactions with certain oral contraceptives (birth control pills). The official label notes that this possibility should be discussed with a healthcare professional.

Q: Does Mahacef-CV interact with common pain relievers like ibuprofen?

A: Based on regulatory review, no direct interaction has been reported in the official labeling between the antibiotic component and the common pain reliever ibuprofen.

Q: Is there a link between Mahacef-CV and changes in blood sugar levels?

A: According to regulatory documents, the drug may interfere with certain laboratory tests. Specifically, it can cause a false positive reaction when certain liquid-based methods are used to test for glucose in the urine (urinary sugar). The official label advises using glucose oxidase-based tests instead for accurate results.

How should Mahacef-CV be stored and disposed of?

Mahacef-CV tablets and the dry powder for oral suspension must be stored at controlled room temperature, typically below 25 C or 30 C. The medicine requires protection from heat, excessive moisture, and direct light to maintain its stability. It must be kept in the original container or pack and the container for the oral liquid should be kept tightly closed.

The reconstituted oral suspension has a limited 14-day stability and any unused portion must be discarded after this period. Both forms must be stored out of the reach of children and pets.

Disposal of any unused or expired Mahacef-CV must be done according to local regulations. Patients should consult a pharmacist or healthcare provider on the proper method for discarding the medicine to ensure it is not consumed by others and does not contaminate the environment.

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

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