Azitromycin Mylan

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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 Azitromycin Mylan

Property Description
Active ingredient Azithromycin
Form Oral (Film-coated tablets, Powder for suspension)
Pharmacological class Macrolide Antibiotic (Azalide)
General purpose Combating systemic bacterial infections
Origin Semi-synthetic

Azitromycin Mylan is a prescription-only medicine whose fundamental purpose is to combat a variety of bacterial infections within the body, achieving systemic effect after oral administration. This product is manufactured under the Mylan brand. It is a single active ingredient product containing Azithromycin (INN), a compound classified specifically as an azalide—a crucial subgroup of the macrolide antibiotic class.


What Type of Medicine is Azithromycin?

Azithromycin is classified as a semi-synthetic antibiotic derived from the natural macrolide Erythromycin. This modification places it into the azalide subclass, which is clinically recognized for its enhanced tissue penetration and prolonged terminal half-life compared to older macrolides. The modification allows the medicine to remain effective in the body's tissues for a longer duration, simplifying the treatment process. The drug is designated as an Antibacterials for systemic use.


Composition and Available Pharmaceutical Forms

The core composition features Azithromycin as the sole active pharmaceutical ingredient, combined with essential pharmaceutical excipients necessary for the dosage form. Azitromycin Mylan is supplied in multiple common oral dosage forms, including solid forms like film-coated tablets and a liquid form provided as powder for oral suspension. This variety ensures effective delivery of the active substance across diverse patient groups, with the suspension form specifically formulated for accurate dosing in pediatric patients.


Core Action: Why is Azithromycin Effective?

Azithromycin's effectiveness stems from its core bacteriostatic activity; it works by inhibiting the growth and reproduction of susceptible bacteria. The drug achieves this by interfering with the microbial cell's protein synthesis process. It specifically binds to the 50S subunit of the bacterial ribosome, thereby blocking the essential manufacturing of proteins needed for cellular function. By halting bacterial replication, Azithromycin prevents the infection from progressing further, assisting the body's natural immune system in eliminating the threat.

Regulatory References

  1. European Medicines Agency (EMA)
  2. NIH StatPearls

What side effects are possible with Azitromycin Mylan?

Possible side effects and safety information

The safety profile of Azitromycin Mylan, containing azithromycin, is defined by regulatory documents based on classified frequencies and affected organ systems. Adverse reactions are grouped by the body systems they impact, as defined in official prescribing information.

Frequency-Classified Adverse Reactions

Frequency Category Associated Adverse Reactions (Examples)
Very Common Diarrhea, abdominal pain, nausea, loose stools.
Common Vomiting, headache, dizziness, arthralgia, fatigue.
Uncommon Candidiasis, hypersensitivity, leukopenia/neutropenia, Stevens-Johnson Syndrome (SJS).
Not Known Anaphylactic reaction, Torsades de pointes, hepatic failure, pseudomembranous colitis, QT interval prolongation.

Serious Safety Considerations

The medicine is officially associated with specific serious adverse reactions, which are reported as rare. These include fatal cardiac events such as the prolongation of the QT interval and Torsades de pointes, and severe hepatotoxicity, including hepatic necrosis and hepatic failure. Severe hypersensitivity reactions like Toxic Epidermal Necrolysis (TEN) and Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) are also documented.

Safety constraints necessitate caution in specific patient populations. The label advises particular caution for individuals with severe hepatic impairment, severe renal impairment (GFR < 10 mL/min), or those with known risk factors for heart rhythm abnormalities. Infantile Hypertrophic Pyloric Stenosis (IHPS) has been reported in neonates.

Exposure-related safety patterns note that Clostridioides difficile-associated diarrhea (CDAD) can occur up to two months or more subsequent to administration. Allergic symptoms may recur due to the medicine's prolonged presence in tissues.

Overdose and Emergency Response

Overdose Scope

Category Regulatory Statement
Documented Manifestations Symptoms following intake of higher than recommended doses are reported as similar to those at normal doses, specifically severe nausea, vomiting, and diarrhea. Reversible loss of hearing has also been noted as a presentation of macrolide overdosage.
Serious Outcomes The risk of QT interval prolongation and subsequent Torsades de pointes must be considered, as this specific cardiac arrhythmia can be fatal.
High-Risk Note Elderly patients and those with pre-existing cardiac conditions are documented as being at a heightened risk for the most severe cardiac effects.

Emergency Action Required

Category Regulator-Mandated Action
Help-Seeking Phrasing Seek emergency medical attention or call the poison control helpline. Immediate medical services are required if the individual experiences collapse, trouble breathing, or fainting.
Supportive Management No specific antidote is known. Management consists only of general symptomatic and supportive measures, including the possible administration of medicinal charcoal.

The official overdose structure defines two key risk types: exaggerated, common gastrointestinal symptoms and the severe, potentially life-threatening cardiac complications. The regulatory guidance explicitly mandates that the occurrence of signs such as fainting or an irregular heartbeat is the immediate trigger for urgently seeking emergency medical services.

Therapeutic Uses of Azitromycin Mylan

Azitromycin Mylan is commonly used to help manage bacterial infections across key therapeutic domains. This generally includes infections of the ears, lungs, throat, sinuses, and skin.

This medication is applied in clinical settings that involve acute or unstable symptom patterns, addressing conditions associated with acute or disruptive episodes, such as certain respiratory, ENT, and uncomplicated skin conditions. It is also applied in addressing certain sexually transmitted infections (STIs) and is used in situations involving recurrent or episodic manifestations, such as certain symptoms associated with chronic respiratory conditions.

The medication may provide supportive relief when symptoms interfere with routine activities, contributing to improved comfort during symptomatic periods. It supports the patient during difficult episodes by assisting with the overall symptom load.


Quick Fact: Symptom Management
Azitromycin Mylan is commonly used to manage symptoms related to physical discomfort associated with bacterial infections, helping to ease symptoms such as fever, cough, and localized pain in acute episodes.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Who can and cannot use Azitromycin Mylan?

The official eligibility for Azitromycin Mylan is strictly defined by regulatory authorities based on clinical history, organ function, and age.


Contraindicated Populations (Must Not Use)

Use is contraindicated if a patient has a known hypersensitivity to azithromycin, erythromycin, or any antibiotic in the wider macrolide or ketolide classes. Patients with a prior history of cholestatic jaundice or hepatic dysfunction specifically related to previous azithromycin treatment must also not take this medicine.


Restricted and Conditional Use

The medicine requires caution in patients with predisposing factors for cardiac arrhythmia, including a history of QT prolongation, proarrhythmic conditions, or uncorrected hypokalemia/hypomagnesemia. Caution is also required for individuals with severe renal impairment (GFR < 10 mL/min) or significant hepatic disease. The label states the medicine is not recommended for patients with pneumonia inappropriate for oral treatment, such as those with suspected bacteremia.


Age and Reproductive Status

Safety and effectiveness have not been established for most uses in pediatric patients under 6 months of age. Geriatric patients may be more susceptible to cardiac risks and require specific consideration. Use during pregnancy is conditioned on the benefit outweighing the potential risk. During lactation, Azithromycin is excreted in human milk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Azitromycin Mylan has officially documented interaction patterns that are classified based on pharmacokinetic effects, pharmacodynamic consequences, and absorption constraints. All interaction information is aligned with government regulatory labeling and focuses only on specific restrictions or requirements.

Contraindicated Combinations

The co-administration of azithromycin is strictly prohibited with specific medicinal products due to serious interaction risks. This includes certain drugs known to prolong the QT interval (e.g., Pimozide, Cisapride, Dronedarone, Thioridazine) because of the additive pharmacodynamic risk of developing cardiac arrhythmia. Co-administration with Ergot derivatives (e.g., Ergotamine) is also prohibited due to the theoretical potential for ergotism, a class effect of macrolide antibiotics.

Exposure and Monitoring Requirements

Specific interactions require monitoring or dose separation. Azithromycin may inhibit the P-glycoprotein (P-gp) efflux transporter, potentially leading to elevated serum levels of P-gp substrate medicines like Digoxin and Colchicine. When co-administered with Warfarin or other coumarin-type oral anticoagulants, there may be an increase in coagulation times, necessitating close observation. The HIV protease inhibitor Nelfinavir significantly increases the systemic exposure of azithromycin itself. Furthermore, in patients with severe renal impairment (GFR less than 10 mL/min), systemic exposure to azithromycin is increased by 33%.

Administration Timing Constraint

Simultaneous administration with aluminum- or magnesium-containing antacids reduces the peak serum concentration of azithromycin. To mitigate this effect, azithromycin must be administered at least 1 hour before or 2 hours after the antacid.

Mechanism of Action

Inhibition of Bacterial Growth via Ribosomal Blockade

The fundamental mechanism of Azithromycin involves acting as an inhibitor by binding to the 50S ribosomal subunit within bacterial cells. This molecular interaction physically blocks the peptide exit tunnel on the ribosome, thereby halting the synthesis of essential proteins required for growth and division. This functional arrest is known as bacteriostasis, which stops the proliferation of the bacterial population, ultimately allowing for systemic immune system clearance of the inhibited population.

Modulation of Host Inflammatory Signaling

Azithromycin also functions as a modulator of host inflammatory pathways. After accumulating in immune cells (such as neutrophils and macrophages), the drug can downregulate the production of pro-inflammatory mediators like certain cytokines (e.g., IL-8). This action contributes to the attenuation of the host inflammatory response and limits the impact of these mediators.

Pharmacokinetic Contribution to Mechanistic Persistence

The molecule exhibits tissue accumulation properties, rapidly entering and slowly releasing from human tissues. This property ensures that both the antibacterial blockade and the anti-inflammatory modulation are maintained at effective local concentrations over an extended period, contributing to a prolonged duration of mechanistic effect.

Dosage and Administration Information

How Azitromycin Mylan is Used: Official Administration Guidelines

Azithromycin, the active ingredient in this medicine, is administered via Oral and Intravenous (IV) routes. Oral forms, including film-coated tablets and powder for suspension, are used for the majority of treatment. The IV route is reserved for initial treatment in severe infections, with a mandated transition to oral therapy within one to two days to complete the prescribed course.

Dosing Schedules and Frequency

Administration for multi-day regimens is uniformly once daily. Standard schedules are based on total dosage, often comprising a 3-day regimen of 500 mg once daily or a 5-day regimen starting with 500 mg on Day 1, followed by 250 mg for the subsequent four days. A 1000 mg dose is taken as a single oral dose for certain specific uncomplicated infections.

Administration Conditions

Oral tablets and suspension can be taken with or without food. However, administration must be strictly separated from antacids containing aluminum or magnesium; these should be taken at least 1 hour before or 2 hours after Azithromycin. The intravenous formulation must be administered as a controlled infusion over a minimum of 60 minutes and must not be given as a rapid bolus or intramuscular injection.

Population-Specific Use

For pediatric patients weighing under 45 kg, dosing is calculated based on body weight (mg/kg) using the oral suspension. No dose adjustment is required for older adults or for individuals with mild to moderate renal or hepatic impairment. If a dose is missed, it must be taken immediately if the time delay is 12 hours or less; otherwise, the dose should be skipped to maintain the schedule.

Recent Clinical Evidence

Research evidence for Azithromycin (the active ingredient in Azitromycin Mylan) is derived from short-term Randomized Controlled Trials (RCTs) and larger analyses, which examine a comparison of outcomes against other standard interventions. The evidence helps contextualize the patterns observed when this medicine is used in research exploring how symptoms change over time across various conditions.

Evidence for Acute Infections

Studies in acute conditions, such as pneumonia, sinusitis, and pharyngitis, primarily consisted of short-term RCTs comparing Azithromycin to longer antibiotic courses. Researchers monitored outcomes related to clinical failure rates and bacteriological outcomes (clearance of the organism). Similar trial designs were used for uncomplicated skin and genitourinary infections. Research findings for the treatment of chancroid in women are not established due to limited data in those trials.

Long-Term Research and Study Gaps

Long-term RCTs (6 to 12 months) were conducted to explore the effects of continuous use in chronic conditions, such as cystic fibrosis and bronchiectasis. These studies focused on outcomes capturing phases of heightened symptom activity, such as the frequency of pulmonary exacerbations and changes in lung function (FEV1). The reported outcomes related to changes in lung function were mixed and varied across studies and specific patient groups.

A key limitation noted in research involving prolonged use is the observed pattern associated with the selection of macrolide-resistant bacteria. Furthermore, the medicine was not studied for use in children under 6 months of age, and data for very old patients or those with severe concurrent illnesses remain insufficient.

Frequently Asked Questions (FAQ)

Common questions about Azitromycin Mylan (FAQ)

Q: Does this medicine contain a warning about alcohol consumption?

Official drug information sources for amoxicillin generally do not list alcohol consumption as a specific contraindication (a reason not to take the drug). Unlike some other antibiotics, general caution on severe interactions is not typically highlighted. Concerns about combining this medication with alcohol may be discussed with a healthcare provider.


Q: What is the correct way to store the liquid suspension after mixing it?

According to the official product information, capsules and tablets are generally stored at room temperature, away from moisture. The liquid suspension often requires refrigeration after it is mixed. It must typically be discarded after 14 days, even if there is medication remaining. Reference to the specific storage instructions printed on the physical product label is recommended.


Q: Can a 2-year-old child use this medication?

Regulatory labeling indicates that amoxicillin is authorized for use in children aged 3 months and older. Use in a 2-year-old is covered by the official indications. The correct dosage is weight-based and specific to the type of infection; it is determined by a healthcare professional.


Q: Can I continue to use my regular oral contraceptive (birth control pill) while taking this drug?

---The drug's official labeling indicates that amoxicillin may reduce the effectiveness of oral contraceptives (birth control pills). This means the contraceptive may not work as reliably as intended. Individuals may wish to speak with a healthcare provider regarding the need for additional, non-hormonal birth control methods during treatment.

How should Azitromycin Mylan be stored and disposed of?

Storage and Disposal of Azithromycin Mylan

The storage of Azithromycin Mylan must strictly follow the official regulatory requirements to maintain product stability.


Storage Conditions

Requirement Rule
Temperature Store tablets extbfbelow 25°C (or 30 C in some territories).
Protection Keep in the extbforiginal container and extbfprotect from moisture and extbfdirect light.
Prohibited Environments extbfDo not refrigerate or extbffreeze the tablets. extbfDo not store in high-humidity areas.

Stability and Child Safety

  • The extbfreconstituted oral suspension has a extbflimited shelf-life (typically 10 days) and extbfmust be discarded after this period.
  • The medicine must be kept extbfout of the sight and reach of children.

Disposal Mandate

Official instructions prohibit disposal via extbfhousehold waste or wastewater. Unused or expired Azithromycin Mylan extbfmust be returned to a pharmacist or designated collection center for proper pharmaceutical waste handling.

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

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