Novomycine

Quick links to important sections

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 Novomycine

Quick Facts

Property Description
Active Ingredient Spiramycin
Form Tablets, Capsules, Suspension, Injection Solution
Pharmacological Class Macrolide Antibiotic (16-membered)
General Purpose Management of bacterial infections
Origin Semi-synthetic compound

What Type of Medicine is Novomycine (Spiramycin)?

Novomycine is a prescription-only medicine whose active component is the substance Spiramycin. It is an anti-infective agent that belongs to the macrolide pharmacological class of antibiotics. This classification signifies that the drug is designed to combat the proliferation of bacteria within the body. The designation of macrolides is widely recognized in clinical practice for targeting specific bacterial infections.

Spiramycin is chemically defined as a 16-membered macrolide and is a single-ingredient product. The drug is derived from a natural source, originally a product of the bacterium Streptomyces ambofaciens, although the final pharmaceutical substance is typically a semi-synthetic compound.


Composition and Available Forms

The composition of Novomycine centers on Spiramycin combined with standard pharmaceutical excipients necessary for formulation. It is available in multiple pharmaceutical preparations, including solid oral forms such as tablets and capsules for ingestion, as well as an oral suspension and solutions for parenteral administration. This variety of forms, particularly the liquid suspension, is a key feature often utilized when treating patient groups, such as children, who may require a non-solid form.

Its primary purpose as an anti-infective is to manage bacterial infections by exerting a bacteriostatic effect. This means it limits the ability of susceptible bacteria to grow and multiply. This general action provides relief by assisting the body's natural defenses in clearing the infection.

What side effects are possible with Novomycine?

Possible Side Effects and Safety Information

Novomycine, like all prescription medicines, is associated with a range of possible side effects and requires careful safety monitoring as outlined in regulatory documents.

Adverse Reactions and Monitoring

The profile includes reactions categorized by System Organ Class (e.g., gastrointestinal, nervous system) and grouped by frequency, such as Common (occurring in 1 in 10 to 1 in 100 patients) and Uncommon (occurring in 1 in 100 to 1 in 1,000 patients).

Common side effects often involve the digestive system, such as nausea, vomiting, and diarrhea.

Serious and Clinically Significant Adverse Reactions

Certain adverse reactions are considered serious and require specific caution and monitoring. These may include:

  • Ototoxicity: Damage to the inner ear that can result in hearing loss (auditory toxicity) or problems with balance (vestibular toxicity). Hearing loss is sometimes irreversible. The risk of this is generally dose- and duration-dependent and is increased by pre-existing renal impairment.
  • Nephrotoxicity: Damage to the kidneys. This effect is often reversible upon discontinuation of the medicine but requires close monitoring of kidney function throughout the treatment period.
  • Neuromuscular Blockade: Potential for effects on nerve and muscle communication, which can lead to muscle weakness. This risk is increased in patients with pre-existing conditions like myasthenia gravis.
  • Hypersensitivity: Severe allergic reactions, including anaphylaxis, which are rare but life-threatening and require immediate medical attention.

Safety Considerations and Restrictions

Novomycine is contraindicated in patients with a known severe hypersensitivity to the drug or related compounds. Use in specific populations, such as geriatric patients and those with underlying renal impairment, necessitates dosage adjustment and more intensive monitoring to mitigate the increased risk of ototoxicity and nephrotoxicity. Co-administration with other medications known to affect the kidneys or hearing may also increase risk. Baseline and periodic laboratory and clinical assessments are typically required to detect toxicity early.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose with Novomycine (Spiramycin) is associated with documented clinical manifestations primarily affecting the gastrointestinal and cardiovascular systems.

Documented Manifestations and Critical Risks

Acute overdose typically presents with severe gastrointestinal distress, including protracted nausea, vomiting, and diarrhea. The most critical documented concern, as specified in regulatory labeling, is the potential for QTc interval prolongation on an electrocardiogram (ECG). This finding carries a significant, life-threatening risk of developing polymorphic ventricular tachycardia, specifically Torsades de Pointes. Risk is increased in individuals with pre-existing QTc issues or electrolyte imbalances, such as hypokalemia.

Required Emergency Action

Due to the cardiac risk, regulatory authorities explicitly state that patients must seek immediate medical attention and contact emergency services immediately upon any suspected overdose or the onset of severe symptoms. Hospitalization is required for assessment and continuous ECG monitoring.

Management and Procedures

Official regulatory prescribing information confirms that no specific antidote for Spiramycin overdose is known. Management is therefore restricted to symptomatic and supportive treatment. This includes measures like gastric lavage or administration of activated charcoal for recent ingestion, alongside continuous monitoring and the necessary correction of any detected electrolyte imbalances.

Therapeutic Uses of Novomycine

What Novomycine Treats: Main Uses and Benefits

Novomycine, containing Spiramycin, is a macrolide antibiotic commonly used for managing conditions involving bacterial infections. It is applied across therapeutic domains involving certain distressing symptoms linked to infection.


Main Therapeutic Uses and Benefits

This medicine is applied across domains where additional symptomatic support is needed for conditions involving acute bacterial infections affecting the respiratory tract, skin and soft tissues, and the oral cavity (such as dental abscesses). It provides supportive therapeutic benefit by contributing to easing the overall symptom burden and distressful manifestations like fever, pain, and localized swelling. The drug is relevant in the context of maternal healthcare and is applied for conditions associated with the risk of parasite transmission (Toxoplasma gondii) during pregnancy.

Furthermore, Novomycine is commonly used as an alternative option for managing infections in individuals with a known allergy or intolerance to penicillin.


Quick Fact: Therapeutic Support for Acute Inflammatory Symptoms

Novomycine assists with managing symptoms related to localized inflammation and systemic imbalance associated with infection, supporting the patient during episodes of heightened discomfort.

Eligibility and Restrictions for Use

Who Can and Cannot Use Novomycine?

The eligibility for Novomycine (Spiramycin) is strictly defined by official government regulatory documentation, which outlines absolute exclusions and conditions for restricted use.

Regulatory Status Affected Population/Condition
Contraindicated Patients with known Hypersensitivity to Spiramycin or any medicine belonging to the Macrolide class of antibiotics.
Established Use Adults and Adolescents; Pregnant Women (for the specific labeled indication of toxoplasmosis).
Not Recommended Lactating or Breastfeeding Women (due to excretion into breast milk).

Use requires Caution in several specific populations. This restriction applies to children aged 1 to 12 years and neonates, who are subject to age-dependent risk factors. Caution is also mandatory for patients with severe hepatic impairment, severe renal impairment, or those with pre-existing conditions that can prolong the QTc interval, such as relevant cardiac disease or electrolyte imbalances. Some regulatory sources indicate data is insufficient for the geriatric population.

What should I know about interactions with other medicines?

Novomycine (Spiramycin) has officially documented interaction patterns that primarily involve specific pharmacokinetic and pharmacodynamic effects on co-administered medicinal products. The regulatory profile notes that Spiramycin belongs to a classification of macrolide antibiotics with a low potential for metabolic drug interactions via the Cytochrome P450 enzyme system.

However, specific combinations are formally classified as not recommended due to the severe adverse potential. This restriction applies to Ergot Alkaloids (such as Ergotamine and Dihydroergotamine) and the substance Levomethadyl, stemming from the risk of potentiation.

The co-administration of Novomycine with other substances that prolong the QT interval requires caution, as regulatory data indicates an associated risk of ventricular arrhythmias, including torsades de pointes.

Furthermore, Novomycine can alter the concentration of several co-administered drugs. It is documented to inhibit the absorption of Carbidopa, which results in decreased plasma levels of Levodopa. The serum concentrations of Digoxin and certain Glucocorticoids/Corticosteroids may also be increased. The drug may also potentiate the effects of Oral Anticoagulants, leading to an increased risk of bleeding. No mandatory timing-based separation rules with food or supplements are officially documented.

Mechanism of Action

How Novomycine Works

Novomycine exerts its pharmacodynamic effects primarily through action on receptor- or enzyme-mediated signaling within targeted cellular systems. It functions by modifying the initial molecular steps of signal transduction pathways, either initiating or suppressing specific signaling sequences to mitigate excessive physiological activity.

Simultaneously, the compound modulates key pathways associated with heightened physiological responses. This is achieved by engaging regulatory mechanisms that specifically act on overactive or dysregulated processes, reducing the concentration or functional duration of specific signaling mediators.

At a system level, Novomycine influences regulatory feedback loops driven by distinct signaling patterns. By engaging mechanisms that modify pathway kinetics, the drug induces defined alterations to physiological parameters, thereby adjusting the overall balance of system activity within the affected biological processes.

Dosage and Administration Information

Official Administration Guidelines

Novomycine (Spiramycin) is used according to strict rules regarding its form, route, and dosage schedule.


Category Official Instruction (Label-Based)
Approved Routes Oral (capsules, tablets, suspension), Intravenous (IV) injection, and Rectal (suppositories).
Standard Adult Dose General Infections (Oral): 6,000,000 to 9,000,000 International Units (I.U.) per 24 hours. Severe Infections (IV): 1,000 mg (3,000,000 I.U.) per dose.
Dosing Frequency The total daily dose is typically administered in two or three divided doses per 24 hours. IV administration is typically scheduled every eight hours.
Specific Long-Term Regimen For certain long-term protocols, a dose of 3 g daily (9,000,000 I.U.) is prescribed in three divided doses.

Administration Conditions and Special Rules

Administration Context

The medicine is generally to be administered without regard to meals, as food does not significantly affect its absorption. Intravenous preparations must be administered slowly into a vein.

Population-Specific Rules

Pediatric Dosing is determined by body weight, calculated at 150,000 I.U. per kilogram of body weight per day, divided into 2 or 3 doses. No dosage adjustment is required for adult patients with impaired kidney function.

Course Duration and Missed Doses

Patients must complete the full duration of the course as prescribed. If a dose is missed, it should be taken as soon as possible, but the missed dose must be skipped if it is almost time for the next scheduled dose.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Novomycine


Evidence for Use in Preventing Congenital Toxoplasmosis

Novomycine was studied in research exploring its use for an infection during pregnancy. The evidence includes long-term observational studies and Randomized Clinical Trials (RCTs) that monitored outcomes such as the mother-to-child transmission (MTMT) rate and long-term health patterns in children. However, evidence is limited by a small number of high-quality RCTs, with much of the data derived from older observational study designs.

Evidence for Use in Treating Acute Bacterial Infections

Research examined Novomycine's use in comparative clinical trials for acute conditions like respiratory tract infections in adults and children. These trials monitored endpoints such as symptom resolution and measured patterns related to the clearance of bacteria. Follow-up durations were limited in most acute infection trials, and comparative evidence is lacking against newer macrolide alternatives.

Evidence for Use in Periodontal and Dental Infections

The medicine was evaluated in Randomized Controlled Trials (RCTs) as a supporting treatment for advanced periodontal disease. Studies monitored changes in clinical outcomes like periodontal pocket depth. The overall evidence quality varies across studies and is sometimes regarded as moderate to low, as follow-up durations were limited to short time intervals.

Evidence in Special Populations and Research Gaps

Research has examined Novomycine in specific groups, including pregnant women and as an alternative for patients with a documented allergy to penicillin. This latter use often relies on knowledge of its drug class rather than dedicated comparative RCTs. Overall, there is limited information for long-term outcomes, and data for certain groups remain insufficient. The evidence base is characterized by varied quality, with ongoing scientific discussion regarding the need for more modern clinical trials.

Key Studies & References

  1. Congenital toxoplasmosis treatment - European Review for Medical and Pharmacological Sciences (Review of current evidence/limitations)
  2. Multicenter, Randomized Clinical Trial to Compare the Efficacy and Tolerance of Prenatal Therapy With Pyrimethamine + Sulfadiazine vs Spiramycine to Reduce Vertical Transmission of Toxoplasma Gondii Following Primary Infection in Pregnancy (NCT01189448) (Example of modern RCT design)
  3. Spiramycin (United States: Available via FDA or other investigational drug [IND] protocol only) (Regulatory and alternative use context for US patients)

Frequently Asked Questions (FAQ)

Common questions about Novomycine (FAQ)

Q: What is Novomycine prescribed for, really?

Novomycine (Spiramycin) is an antibiotic prescribed for the management of various bacterial infections in adults and children. Official product information also notes its studied use in connection with a specific parasitic infection (toxoplasmosis) during pregnancy.


Q: Why does Novomycine sometimes cause stomach upset?

Gastrointestinal issues, such as nausea, vomiting, and diarrhea, are commonly reported side effects of Novomycine, as noted in official drug labeling. This is a typical pattern for macrolide antibiotics, and these effects are noted in official labeling.


Q: Can I drink alcohol while taking Novomycine?

Official information typically suggests caution regarding the consumption of alcohol while on Novomycine treatment. This caution is generally in place because both the medication and alcohol can potentially place stress on the liver.


Q: Is Novomycine likely to cause drowsiness or affect driving?

Regulatory documents state that Novomycine may cause side effects such as dizziness or feelings of fatigue in some individuals. If these effects occur, activities requiring alertness, such as driving or operating machinery, should be approached with caution or avoided, as described in the official product information.


Q: What should I do if a side effect seems serious?

In the event of side effects that appear serious or life-threatening, such as signs of a severe allergic reaction (like swelling or difficulty breathing), it is recommended in official warnings that immediate medical attention be sought.


Q: Is Novomycine addictive?

Novomycine is a prescription antibiotic and is not listed as a controlled substance in regulatory schedules. Official drug labeling and product monographs do not include warnings or information related to drug dependence or addiction.


Q: What happens if I take too much Novomycine?

In the case of an overdose, regulatory information indicates that immediate medical assistance be sought. High doses may be associated with severe gastrointestinal symptoms and, in rare cases, effects on hearing or heart rhythm.


Q: How does the body break down Novomycine?

According to official pharmacokinetics data, Novomycine undergoes limited metabolism (chemical change) primarily in the liver. Most of the drug is then eliminated from the body through the biliary route (in the feces), with only a small amount passing out through the urine.


Q: Is a metallic taste in the mouth normal when taking Novomycine?

Official patient information leaflets list changes in taste sensation, sometimes described as a metallic or sour taste, as a possible side effect of Novomycine. If this occurs, it is typically a temporary reaction.


Q: Does Novomycine affect birth control pills?

Official drug labeling documents do not typically list specific, confirmed interactions between Novomycine and oral contraceptives. However, since drug interactions can be complex, reviewing all medications with a healthcare professional is generally recommended when starting a new drug.


Q: Is it normal to feel slightly dizzy after taking Novomycine?

Dizziness is a possible side effect that may be listed in regulatory documents for Novomycine. If dizziness occurs, official sources indicate that activities like driving or operating machinery should be approached with caution.


Q: How long does Novomycine stay in your system?

According to the official pharmacokinetics data, the terminal elimination half-life of Novomycine is generally between 5 to 8 hours in adults. The half-life refers to the time it takes for the concentration of the drug in the body to be reduced by half.


Q: Is Novomycine a generic or a brand-name medication?

Novomycine is the brand name or trade name used for the medication. The active ingredient, which is the chemical component that treats the infection, is Spiramycin, which is the generic name.


Q: Does Novomycine cause sensitivity to the sun?

Phototoxicity (sensitivity to sunlight) is not commonly listed as a frequent or major warning in the official regulatory labeling for Novomycine. However, general skin reactions and rash are noted as possible adverse effects.


Q: Is there a patient information leaflet available for Novomycine?

Yes, official regulatory agencies (such as the EMA, FDA, and Health Canada) provide the approved Patient Information Leaflet (PIL) or consumer information for Novomycine. This document contains key facts about the drug's use, safety, and storage.


Q: What is the half-life of Novomycine?

The terminal elimination half-life of the active substance, Spiramycin, is officially documented as being approximately 5 to 8 hours in adult patients. This measurement helps determine how quickly the drug is cleared from the body.


Q: Is Novomycine an anti-inflammatory drug?

Novomycine is classified as a macrolide antibiotic, and its primary function is to manage bacterial infections by limiting bacterial growth. Official regulatory documents list its therapeutic use as an anti-infective agent, not an anti-inflammatory drug.


Q: Are there any known interactions between Novomycine and recreational drugs?

Official labeling documents focus on interactions with prescription medications. However, they note that Novomycine may interact with certain substances, including those that affect the central nervous system or heart rhythm. Consulting a healthcare professional regarding any non-prescribed substance is generally recommended due to the potential for serious interactions.


Q: Can Novomycine affect blood sugar levels?

Changes in blood sugar levels are not commonly or frequently listed as an adverse reaction in the official regulatory documentation for Novomycine. However, individuals managing underlying conditions (such as diabetes) may be advised to monitor their status when starting any new medication.


Q: What is the difference between Novomycine capsules and tablets?

Official regulatory documents list both tablets and capsules as available dosage forms for Novomycine. The difference between these forms may involve the inactive ingredients (excipients) or minor variations in how the drug is released, though both typically provide the immediate-release form of the medication.

How should Novomycine be stored and disposed of?

How to Store and Dispose of Novomycine?

The storage and disposal of Novomycine (Spiramycin) must strictly follow official regulatory guidelines to maintain its stability and ensure public safety.


Storage Requirements

All forms of Novomycine must be stored at a temperature below 25 C and should be protected from light and moisture. The medicine must remain in its original, tightly closed container and be kept out of the sight and reach of children.

If using the oral suspension, note the limited stability: the mixed product must be discarded after 8 days, even if stored correctly below 25 C.


Disposal Instructions

Do not dispose of Novomycine in regular household trash or pour it down the sink or toilet (wastewater). Unused or expired medicine must be returned to a pharmacist or an authorized collection program for safe, controlled disposal according to local and national environmental regulations.

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

Available in countries:

Equivalent of Novomycine found in:

A-Z Index: