Valemas

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Valemas

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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 Valemas

Quick Facts

Property Description
Active ingredient Enrofloxacin
Form Injectable solution, Oral solution, Tablet
Pharmacological class Fluoroquinolone Antibiotic
General purpose Clearing systemic bacterial infections
Origin Synthetic

What Type of Medicine is Valemas?

Valemas is a systemic anti-infective agent defined by its single active component, Enrofloxacin. It is classified as an antibiotic and belongs to the potent category of synthetic fluoroquinolones. This classification confirms that the medicine is part of a modern class designed to combat bacterial issues by targeting core microbial processes. Enrofloxacin is a man-made compound, chemically defined as a derivative of quinoline monocarboxylic acid. It is recognized in veterinary pharmacology as a broad-spectrum agent effective against numerous common bacterial species.


Composition and Available Forms of Valemas

The foundation of Valemas is the active substance Enrofloxacin, which operates as a single agent product. As a differentiating feature, Valemas is prepared to accommodate various treatment settings by offering an injectable solution for acute or initial treatments, alongside an oral solution and a solid tablet form for ongoing management. The availability of these multiple forms is a key feature of its product profile, allowing for flexibility in its delivery. The high-level composition involves the active ingredient prepared within a suitable aqueous or solution base to ensure stability and reliable systemic delivery of the compound.


General Purpose of the Fluoroquinolone Class

The general purpose of Valemas is to achieve a powerful bactericidal action—meaning it actively kills susceptible bacteria, rather than simply stopping their growth—to resolve systemic infections. This powerful function is rooted in its ability to inhibit bacterial DNA gyrase, an enzyme critical for microbial DNA replication. It possesses anti-infective activity against key bacterial pathogens. This targeted intervention is essential for managing established bacterial diseases requiring a potent, definitive approach.

What side effects are possible with Valemas?

Adverse Reactions and Safety Profile

The safety profile of Valemas (enrofloxacin) is characterized by a mix of common, localized adverse effects and a few serious, clinically significant reactions that require specific patient restrictions. All information is derived strictly from regulatory documentation.

Serious and Clinically Significant Adverse Reactions

Ocular Toxicity (Cats): Cats are uniquely susceptible to retinal degeneration and blindness, which can be irreversible. This risk is dose-dependent and increases when the recommended dosage is exceeded.

Musculoskeletal Risk (Growing Animals): Valemas is associated with the potential for cartilage erosion and joint damage (arthropathy) in young, growing animals, particularly during their rapid growth phase. This risk has led to strict contraindications in puppies, small/medium breed dogs under eight months, large breed dogs during their rapid growth period, and growing horses.

Neurological Effects: The drug is known to potentially cause Central Nervous System (CNS) stimulation, which can lead to convulsive seizures. It is therefore contraindicated in animals with known epilepsy or a history of seizure disorders.

Frequency Classification Key Adverse Reactions
Common Local tissue reactions (e.g., pain, swelling, transient edema) at the injection site.
Uncommon / Not Known Gastrointestinal disturbances (vomiting, anorexia, diarrhea), hypersensitivity reactions, neurological signs (ataxia, seizures), and retinal damage (cats).

Safety-Related Restrictions

Use is contraindicated in animals with known hypersensitivity to enrofloxacin or other quinolone antibiotics. Due to the high risk of severe adverse effects, the drug must not be used in specific age groups (young, growing animals) or in patients with pre-existing CNS disorders (epilepsy). Careful adherence to species-specific dosage limits is required to mitigate the risk of ocular damage.

Overdose and Emergency Response

Overdose and when to seek help

This section details the officially documented overdose manifestations and emergency actions for Valemas (Enrofloxacin), based strictly on government regulatory documents.


Overdose Scope

Domain Official Regulatory Statements
Documented overdose presentations Convulsions, severe lethargy, trembling, uncoordinated walking (ataxia), vomiting, appetite loss, and behavioral changes.
Physiological systems affected Central Nervous System (CNS), Ocular (retina), Musculoskeletal (cartilage), and Gastrointestinal systems.
Dose-related or exposure-related factors Manifestations occur following administration of doses exceeding the recommended therapeutic dose.
Population-specific overdose notes Cats are susceptible to irreversible blindness or retinal damage. Growing animals risk developing articular cartilage damage. Increased CNS effects are noted with pre-existing seizure disorders or renal/hepatic disease.
Emergency-response statements No specific antidote is known. Treatment is restricted to symptomatic and supportive measures.
When immediate medical help is required Immediately contact your veterinarian or seek emergency veterinary care if an overdose is suspected or observed.

Overdose Classifications (High-Level)

Classification Aspect Official Regulatory Statement
Severity classification Overdose is associated with severe neurological manifestations and irreversible toxicity (ocular damage, chondropathy) in susceptible groups.
Regulatory basis Based on official prescribing information and veterinary monographs from government health authorities.
Overdose-context constraints Recovery from clinical signs may require extended observation, potentially lasting up to 7 days post-exposure.

Resulting Overdose Structure

Official overdose statements:

  • Overdose manifestations include severe CNS signs such as trembling, convulsions, and lethargy.
  • Severe outcomes include irreversible ocular damage (blindness) in felines and articular cartilage damage in growing animals.
  • No specific antidote is documented; treatment is strictly symptomatic and supportive.
  • The official instruction is to immediately contact your veterinarian or seek emergency veterinary care if overdose is suspected.

Connection to the overall overdose profile: The regulatory profile establishes that overdose carries a high risk of severe neurological symptoms and specific, irreversible organ toxicity in vulnerable populations. The absence of a specific antidote, coupled with the potential for irreversible outcomes, forms the regulatory basis for the mandated instruction to seek immediate emergency attention upon detection of any overdose signs.

Therapeutic Uses of Valemas

Valemas is a systemic anti-infective agent applied across domains where symptoms are caused by susceptible bacteria in veterinary patients (dogs and cats).

Valemas is commonly used in addressing conditions characterized by periods of heightened symptoms. It is generally applied in clinical settings that involve acute or unstable symptom patterns, which may involve recurrent or episodic manifestations. The core benefit may be part of symptomatic management by providing anti-infective support, which helps ease the overall symptom burden and supports general well-being during symptomatic phases.

The medication is considered relevant for conditions presenting with systemic or localized discomfort, such as those in the dermal, soft tissue, urinary, respiratory, and gastrointestinal domains. It contributes to easing the overall symptom load associated with bacterial disease in key organ systems. This includes addressing symptom clusters—such as symptoms related to inflammatory or irritative states in skin and soft tissue infections—and functional symptoms of the urinary and respiratory tracts. Its use assists with maintaining functional stability and contributes to improved comfort during periods of heightened symptoms.

“This medicine is commonly used when symptoms linked to bacterial causes interfere with daily functioning.”


Quick Fact: Support for Symptom Management

Property Description
Primary Goal Is commonly used to help with anti-infective support and address conditions associated with acute or disruptive episodes.
Symptom Focus Helps manage symptom clusters such as inflammation, discharge, and functional distress in the urinary or respiratory tracts.
Key Benefit Contributes to improved comfort during periods of heightened symptoms by assisting with maintaining functional stability.

Regulatory References

  1. DailyMed listing approved by the FDA

Eligibility and Restrictions for Use

The eligibility profile for Valemas (Enrofloxacin) is strictly defined by regulatory bodies and focuses on patient age, growth status, and pre-existing health conditions. Use is permitted only in adult patients who have completed their rapid growth phase, provided they have no documented contraindications.

Population Status Official Eligibility Rule
Contraindicated Prohibited for patients with a known hypersensitivity to Enrofloxacin or the quinolone-class antimicrobials. Use is also prohibited in dogs during the entire rapid growth phase (e.g., small breeds under 8 months, giant breeds up to 18 months) due to the risk of articular cartilage damage. Must not be used in patients with epilepsy or other seizure disorders.
Conditional Use Use requires extreme caution in patients with known severe renal or hepatic impairment due to the risk of altered drug elimination. Safety is not established for use during pregnancy and lactation, making it generally not recommended.

Eligibility is determined by the absence of these specific, label-documented conditions. The restrictions emphasize preventing irreversible damage to developing joints and mitigating risks related to the drug's effects on the central nervous system and organ function.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines officially documented interaction patterns for Valemas (Enrofloxacin) derived from government regulatory sources.

Interaction-Related Restrictions

The co-administration of Valemas is formally restricted or advised against with several product categories due to documented risks. Co-use with Steroidal Anti-inflammatory Products is a contraindicated combination because of the potential for an increased risk of tendinopathy. The concurrent use of Valemas with Non-Steroidal Anti-inflammatory Drugs (NSAIDs) may be associated with CNS effects, including the potential for seizures.

Exposure and Clearance Alterations

Cationic Substances such as those containing aluminum, magnesium, calcium, iron, or zinc can reduce the intestinal absorption of Valemas, resulting in a reduced serum concentration. To prevent this pharmacokinetic interference, these substances must be administered at least two hours apart from Valemas. Valemas may also delay the elimination of Theophylline, leading to increased plasma levels of that drug. The action of Oral Anticoagulants may be enhanced, which is tied to a regulatory warning concerning an increased risk of bleeding.

Pharmacodynamic Effects

Co-administration with other Antimicrobial Substances (e.g., Macrolides, Tetracyclines, Phenicols) may result in officially documented antagonistic effects, reducing the overall anti-infective outcome.

Mechanism of Action

Valemas, containing enrofloxacin, functions as a fluoroquinolone compound that targets essential bacterial topoisomerase enzymes. The molecule penetrates the cell wall and plasma membrane to accumulate intracellularly. Its primary mechanism is the inhibition of bacterial DNA gyrase (topoisomerase II) and topoisomerase IV. Valemas stabilizes the covalent complex formed between the enzyme subunits and the cleaved DNA strands. This interaction prevents the re-ligation of the transient single- or double-strand DNA breaks that are necessary for the processes of supercoiling, replication, transcription, and repair of the bacterial genome. The resulting accumulation of double-strand breaks triggers the Stringent Response and SOS repair pathways within the microorganism. This pathway perturbation leads to catastrophic disruption of DNA spatial arrangement, which precedes the loss of cellular viability, resulting in a concentration-dependent bactericidal effect at the system level.

Dosage and Administration Information

Valemas (Enrofloxacin) is a systemic anti-infective agent administered through distinct methods. The approved methods include the oral route using tablets or solution, and injection via Subcutaneous (SQ), Intramuscular (IM), or Intravenous (IV) routes, depending on the species and formulation.

The dosage is calculated precisely based on body weight, with regimens ranging from 2.5 mg/kg up to 20 mg/kg of body weight per day. Most regimens involve a single daily dose (q24h), though oral forms may be divided into two equal daily doses.

Administration Logistics and Duration

For oral administration, the medicine is optimally delivered on an empty stomach to facilitate absorption, and film-coated tablets must not be crushed. The oral intake should also be separated from products containing calcium, iron, or aluminum.

The injectable solution is subject to specific procedural rules, including a limit on the maximum volume that can be administered per injection site (e.g., 10 mL for calves). The duration of use is typically short-term for injections (e.g., 3 to 5 days). Oral treatment may continue for up to 30 days maximum, maintaining administration for 2 to 3 days after the cessation of clinical signs. Caution is indicated when administering the medicine in individuals with impaired renal function. If a dose is missed, instructions advise skipping it and resuming the regular schedule rather than taking a double dose.

Recent Clinical Evidence

Valemas: Recent Clinical Evidence

Valemas was studied for a number of conditions characterized by fluctuating or episodic manifestations. The research examined various approaches to understanding how symptoms change over time, primarily in observational settings evaluating daily-life functioning or in short-term trials. These studies contribute to the broader evidence landscape by exploring short-term symptom changes. It is important to note that research does not determine whether an individual will respond similarly; rather, findings describe group patterns, not personal outcomes.


Valemas Studies for Conditions with Fluctuating Manifestations

Studies explored the use of Valemas in conditions where symptoms may vary in intensity, such as those involving cycles of stability and flare-ups. The studies in this area was observed in those focusing on outcomes related to physical discomfort and outcomes reflecting daily functioning or activity level. Findings indicate that changes were measured during the study period in some individuals. However, sample sizes were modest in some key studies, and overall, the findings were mixed across different research groups. The data show patterns related to how symptoms evolved in the observed populations, but certainty remains low in this area. Long-term effects are not fully established, and results apply only to the populations studied.


Valemas Studies for Acute or Disruptive Episodes

Valemas was evaluated in a separate set of trials assessing short-term or episodic symptom patterns for conditions associated with acute or disruptive episodes. These studies were conducted during periods of increased symptom activity and focused on episodes where symptoms become more noticeable. Studies monitored changes that were measured during the study period and reported how symptoms evolved in the observed populations. The data show patterns related to how temporary physiological imbalance was observed in some studies. However, evidence quality varies across studies, and data for certain groups remain insufficient. Furthermore, comparative evidence is lacking. Overall, evidence is limited, and studies help show what has been observed so far without offering definitive conclusions.

Frequently Asked Questions (FAQ)

Common questions about Valemas (FAQ)


Q: What is the primary use of Valemas as described in official documents?

According to official product information, Valemas is described as a systemic anti-infective agent. Its approved purpose is to treat bacterial infections that are susceptible to the active ingredient. This classification indicates the drug is intended for systemic action.


Q: What are the most frequently reported side effects of Valemas?

Official safety documents indicate that the most frequently classified side effects are localized tissue reactions. These reactions, such as pain, swelling, or temporary edema, are typically noted at the injection site following administration. This classification covers effects deemed 'common' in the regulatory information.


Q: Does Valemas have a reputation for causing weight change or appetite effects?

Regulatory documents list gastrointestinal disturbances, including anorexia (loss of appetite), in the uncommon or not known frequency category. The official information does not define an overall risk of weight change, but a change in appetite is noted as a possibility.


Q: Can Valemas be taken at the same time as common daily supplements like Vitamin D or magnesium?

Regulatory guidelines advise that Valemas should be administered separately from supplements containing cationic substances like magnesium, calcium, iron, or zinc. These cationic substances can interfere with the absorption of Valemas, potentially leading to reduced serum concentrations. Regulatory guidelines suggest a separation of at least two hours.


Q: What common over-the-counter pain relievers are generally mentioned as safe/unsafe with Valemas?

Official warnings indicate that Valemas is formally contraindicated with Steroidal Anti-inflammatory Products. Additionally, official guidance advises caution if it is co-administered with Non-Steroidal Anti-inflammatory Drugs (NSAIDs) due to a possible increased risk of effects on the central nervous system.


Q: Are there any known food or dietary restrictions associated with Valemas?

To ensure optimal absorption, regulatory information states that Valemas is optimally taken on an empty stomach. Furthermore, separation by at least two hours is generally recommended to avoid documented absorption interference from foods or products containing calcium, iron, or aluminum.


Q: What information is available regarding Valemas use during pregnancy or breastfeeding?

Information on the use of Valemas during pregnancy or breastfeeding is based on animal studies, as there are no adequate and well-controlled human studies. In animal models, high doses during fetal development resulted in decreased fetal body weight and delayed skeletal ossification.


Q: How long were the major clinical trials for Valemas?

Official research evidence describes the clinical trials for Valemas as short-term studies focusing on understanding how symptoms change over time. The regulatory documents often describe the studies' focus rather than specifying exact durations in all cases.


Q: What is the risk classification for Valemas during pregnancy, according to the FDA or other agencies?

The official documents do not provide a formal human risk classification for Valemas during pregnancy. The available safety information regarding potential developmental effects is primarily derived from the results of animal studies.


Q: Does Valemas have a Boxed Warning or similar serious safety statement?

The official product information includes serious safety statements regarding potential adverse effects. These serious safety statements discuss the potential for cartilage damage in growing individuals, risk of ocular toxicity (especially at high doses), and the risk of seizures in those with pre-existing central nervous system disorders.


Q: Why do some users report that Valemas did not work for them?

Research evidence indicates that findings across different study groups have been mixed. The results are used to describe general group patterns, not to predict personal outcomes, which can lead to variability in how individuals perceive the drug's effect.


Q: Why does Valemas come in different forms or colors?

Valemas is available in different forms, such as tablets, solutions, and injections, to support the distinct approved administration methods (oral, intravenous, etc.). The official documentation focuses on the approved forms and routes required for administration.


Q: Is there a mention of Valemas affecting fertility in either males or females?

Official safety data indicates that the active ingredient is suspected of damaging fertility based on evidence from animal or prolonged exposure studies. This information is derived from evidence in official regulatory documents.


Q: What is the half-life of Valemas as described in pharmacology documents?

Pharmacology documents describe the elimination half-life, which is the time it takes for half of the drug to be cleared from the body. This half-life can vary between species and administration route, typically ranging from 2 to 6 hours in various mammals.


Q: Can Valemas be taken with acid reducers like antacids or PPIs?

Products containing cationic substances like aluminum, magnesium, or calcium (often found in antacids) should be administered at least two hours apart from Valemas. Certain other types of acid reducers, like some proton pump inhibitors (PPIs), may also be associated with delayed clearance of Valemas.


Q: What is the mechanism of elimination for Valemas from the body?

According to pharmacology documents, Valemas and its metabolites are primarily eliminated from the body through the kidneys (renal excretion). Secondary elimination of the drug is also documented to occur through the liver.


Q: Is Valemas considered a controlled substance?

Regulatory documents confirm that Valemas is currently not listed as a controlled substance by the Drug Enforcement Administration (DEA).

How should Valemas be stored and disposed of?

How to Store and Dispose of Valemas

Storage of Valemas must adhere strictly to officially mandated conditions to ensure product stability.

Storage Requirements

Valemas must be stored at controlled room temperature, typically between 15 C and 25 C (59 F and 77 F). The product must be protected from light and stored with the container tightly closed in its original packaging. Crucially, Valemas must not be frozen and, for the injectable solution, must not be refrigerated. Any solution that has been frozen or develops a precipitate must be discarded.

Handling and Disposal

All forms of Valemas must be stored out of the reach of children. Solution forms have a limited stability period (e.g., 28 days to 3 months) after the first opening, and the remainder must be discarded thereafter. Disposal of any unused product, waste material, or empty containers must be conducted in accordance with local, state, and federal requirements for medicinal waste.

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

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