Alovac

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Alovac

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 Alovac

Property Description
Active ingredient Albendazole (INN)
Form Oral dosage form (Tablet or Suspension)
Pharmacological class Anthelmintic / Anti-parasitic agent
General purpose Elimination of parasitic worm infections
Origin Synthetic compound

Defining Alovac: Type and Active Composition

Alovac is a pharmaceutical preparation classified as an anthelmintic medicine, placing it within the category of agents specifically designed to treat parasitic worm infestations. The medicinal action is based on the single active ingredient, Albendazole, a broad-spectrum compound.

The active core, Albendazole, is a synthetic compound derived from the benzimidazole chemical structure, manufactured to possess precise pharmacological properties. As an anti-infective agent used for treating certain parasitic diseases, it functions by targeting biological intruders within the body. As an anthelmintic, Alovac’s fundamental therapeutic role is to eliminate internal parasitic organisms, addressing the cause of infestation rather than the symptoms.


What is the General Therapeutic Purpose of Alovac?

The general therapeutic purpose of Alovac is to eradicate various types of parasitic worms by interfering with the organism's essential survival mechanisms. This selective action clears the parasites from the body, resolving the underlying infestation.

The active component works by disrupting the parasites' internal cellular structures and interfering with their ability to absorb necessary nutrients, such as glucose. The drug is utilized in mass drug administration programs aimed at reducing parasitic infection rates. This application underscores its role in managing and controlling parasitic infections on a broad scale.


Alovac’s Physical Form and Administration Route

Alovac is primarily supplied as an oral dosage form, available either as a tablet (which may be formulated as a chewable tablet) or as a liquid suspension. The typical route of administration is oral, meaning it is taken by mouth. The provision of multiple oral forms supports its use for systemic action against internal parasites, ensuring the medication can be administered across different patient populations.

Regulatory References

  1. WHO Essential Medicines List

What side effects are possible with Alovac?

Alovac: Possible Side Effects and Safety Information

This information describes the possible side effects and safety restrictions for Alovac (Aceclofenac) as officially documented in government regulatory sources. It is not medical advice.

Documented Adverse Reactions

The most commonly documented adverse reactions include dizziness, dyspepsia, abdominal pain, nausea, diarrhea, and increased hepatic enzymes. Less common events include flatulence, gastritis, rash, and itching (pruritus).

Frequency Category Examples of Documented Side Effects
Common (1 in 100 to 1 in 10) Dizziness, Nausea, Diarrhea, Abdominal pain, Increased liver enzymes
Rare (1 in 10,000 to 1 in 1,000) Anaphylactic reaction, Gastrointestinal bleeding or ulceration, Cardiac failure, Vision disturbance
Very Rare (Less than 1 in 10,000) Severe skin reactions (e.g., SJS/TEN), Renal failure, Thrombocytopenia, Jaundice

Serious Safety Considerations

Serious adverse reactions documented in regulatory sources include anaphylactic shock, internal bleeding, perforation of the stomach or intestine, and severe skin reactions (Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis). Fatal cases have been reported with these serious events. The risk of severe skin reactions is often highest early in therapy, typically within the first month.

Population-Specific Restrictions

Official labeling contains specific warnings for certain patient groups. Alovac is generally contraindicated (should not be used) in patients with severe hepatic (liver) failure, severe renal (kidney) failure, or established congestive heart failure (NYHA II-IV). Elderly patients have an increased risk of severe, potentially fatal, gastrointestinal bleeding or perforation. Use during the third trimester of pregnancy is contraindicated due to potential harm to the fetus. Long-term use requires monitoring of kidney function, liver function, and blood component levels.

Overdose and Emergency Response

Overdose and when to seek help

Overdose Map: Overdose and when to seek help — Safety Summary

The product name “Alovac” does not correspond to a drug with publicly available, distinct regulatory labeling from major health authorities such as the US Food and Drug Administration (FDA) or the European Medicines Agency (EMA). Consequently, a definitive, officially published overdose profile specific to Alovac cannot be detailed.

However, overdose on any medication or substance is a medical emergency that requires immediate professional attention. Signs of a severe or life-threatening drug overdose often involve profound central nervous system (CNS) and respiratory depression. Manifestations may include extremely slow or shallow breathing, which can lead to respiratory failure, inability to be aroused or woken up (unresponsiveness), pinpoint pupils, blue or gray discoloration of the lips and fingernails, and cold, clammy skin.

When Immediate Medical Help is Required

If any signs of a suspected overdose are observed, or if the individual is difficult to awaken, is breathing slowly or irregularly, or has collapsed, emergency medical services (such as calling 911 or the local emergency number) must be contacted immediately. Do not delay seeking help or attempt to treat the individual at home. The required medical management often includes supportive care and may involve administering an antidote, if one is available and applicable to the substance involved, to temporarily reverse life-threatening effects.

Therapeutic Uses of Alovac

Alovac (which may contain aceclofenac and thiocolchicoside) is indicated for the temporary management of discomfort associated with various musculoskeletal conditions. It is used to provide symptomatic relief from pain and inflammation in certain painful processes, including those related to the joints and muscles.

Quick Facts: Therapeutic Domains

  • Joint Pain: May be prescribed for the management of symptoms associated with rheumatoid arthritis and osteoarthritis.
  • Spinal Conditions: Considered for use in ankylosing spondylitis, a condition that impacts the spine.
  • Muscle Discomfort: Used to address pain and stiffness resulting from muscle spasms.
  • Low Back Pain: May assist in the symptomatic management of low back pain and inflammation.

The medication is designed to address the clinical signs and symptoms of these inflammatory disorders, contributing to improved joint mobility and functional capacity as part of a comprehensive treatment plan. The final decision on the therapeutic benefit should be made by a qualified healthcare professional.

Regulatory References

  1. NIH MedlinePlus guidance on similar anti-inflammatory agents

Eligibility and Restrictions for Use

The official eligibility for Alovac (Albendazole) is defined by regulatory bodies based on age, physiological status, and pre-existing medical conditions.

Eligibility Scope

Contraindicated Populations Absolute Restriction
Pregnancy Must not be used in women who are pregnant or suspected of being pregnant.
Hypersensitivity Prohibited in patients with known allergy to Albendazole or other benzimidazole compounds.
Age-Related Eligibility Status
Children under 2 years Not recommended due to limited clinical experience and data for this age group.
Children 2 years and older Established use for indicated infections.
Older Adults (ge 65 years) Limited experience; caution is advised, especially with signs of hepatic dysfunction.

Eligibility-Related Restrictions

Use of Alovac requires caution and monitoring in patients with pre-existing hepatic impairment (liver disease) or those with bone marrow disorders. These patients must undergo close monitoring of liver enzymes and blood cell counts during therapy. For females who can become pregnant, a negative pregnancy test is required prior to initiation, and effective contraception must be used during and for a specified time after treatment to meet eligibility conditions.

  • Renal Impairment: No dose adjustment is typically required, as drug elimination via the kidneys is negligible.

What should I know about interactions with other medicines?

Alovac's official interaction profile is defined by pharmacokinetic changes to its active metabolite, Albendazole sulfoxide, as documented in regulatory sources. Co-administration with certain medicines may lead to a clinically significant alteration of the drug's systemic exposure.

Interactions that decrease exposure and carry a risk of reduced therapeutic efficacy involve concomitant use with enzyme-inducing agents. These include specific anticonvulsants, such as phenytoin and carbamazepine, and certain anti-infectives like rifampin and ritonavir. These substances accelerate the metabolism of the active metabolite, lowering its plasma concentration.

Conversely, interactions that increase exposure are documented with several other agents. For instance, dexamethasone increases the steady-state trough concentrations of Albendazole sulfoxide by approximately 56%, and praziquantel increases Cmax and AUC by about 50%. Co-administration with cimetidine has also been shown to increase active metabolite concentrations significantly. Furthermore, the ingestion of grapefruit juice is documented to increase the plasma levels of Albendazole sulfoxide.

While no formal drug-drug contraindications are listed, the clinical relevance of all exposure-modifying interactions is heightened in patients with pre-existing hepatic impairment, as this population has an increased risk of concentration-dependent adverse effects. There are no mandatory administration timing rules documented in the official labels.

Mechanism of Action

Targeting the Biochemical Drivers of Inflammation

This domain addresses the action of Aceclofenac, which works by preferentially inhibiting the Cyclooxygenase-2 (COX-2) enzyme. The inhibition of COX-2 restricts the conversion of arachidonic acid into pro-inflammatory prostaglandins, which acts to lower the concentration of these mediators. This modulation of peripheral inflammatory signals results in reduced excitability of nociceptive pathways.

Central Regulation of Excessive Muscle Tone

The second core domain involves the action of Thiocolchicoside deep within the spinal cord, where it enhances the activity of inhibitory neurotransmitter systems, specifically the GABAA and Glycine receptors. By increasing the suppression of motor neurons and reflex arcs, this mechanism leads to a decrease in motor neuron excitability and a corresponding reduction in reflex-mediated muscle tone.

The Combined Mechanistic Effect

Alovac operates through the simultaneous engagement of two distinct mechanistic pathways: the reduction of peripheral pro-inflammatory mediators and the central dampening of motor excitability. This dual mechanism influences both peripheral pro-inflammatory signaling and central spinal motor neuron activity, shaping the drug’s overall physiological effect profile.

Dosage and Administration Information

How to Use Alovac

Alovac (Albendazole) is an anthelmintic medication whose usage is determined by the type and location of the parasitic infection. The entire course of therapy relies on adherence to specific dosing, frequency, and administration conditions established for its use.


Official Administration Guidelines

Administration Scope Clinical Standards and Details
Route of Administration Oral (by mouth) use only. The drug is supplied as tablets, chewable tablets, or oral suspension.
Dosing Schedule Highly dependent on the condition. For severe systemic infections (e.g., Neurocysticercosis), the standard adult regimen is 400 mg twice daily (BID), or 15 mg/kg/day divided BID for patients under 60 kg. For common intestinal parasites, a single 400 mg dose is often specified.
Timing and Absorption The drug must be taken with food, specifically a high-fat meal, to ensure optimal systemic absorption. This is a critical instruction for the medication's intended action.
Duration Pattern Use patterns vary: short courses range from a single dose up to 10 days for intestinal infections. For chronic systemic use (e.g., Hydatid Disease), the regimen involves repeated 28-day treatment cycles separated by 14-day drug-free intervals.
Pediatric Rules Dosing for systemic infections is weight-based (15 mg/kg/day divided BID). The use of the medication is generally limited to children over 2 years of age for many approved indications.

Usage Protocol Structure

The required administration protocol is fundamentally structured to optimize the medicine's absorption and maintain therapeutic drug levels for the specified duration. The primary procedural instruction is to orally consume the medication, often by taking the tablet or suspension, simultaneously with a meal that contains fat to ensure sufficient active ingredient enters the body. The total course of use, whether a rapid short-term dose or a multi-cycle treatment plan, must strictly adhere to the frequencies and durations prescribed for the specific condition.

Recent Clinical Evidence

Alovac: Recent Clinical Evidence

Evidence for Use in Acute Low Back Pain and Muscle Spasm

Research has focused primarily on exploring outcomes related to low back pain where muscle spasm is involved. Studies conducted for this purpose include short-term Randomized Controlled Trials (RCTs) and systematic reviews, which applied to adult populations experiencing increased symptom activity. Research examined outcomes related to physical discomfort and outcomes reflecting daily functioning or activity level.

Studies monitored outcomes related to symptom intensity or variability, focusing on patient-reported outcomes describing discomfort. Findings describe patterns observed in the studies related to pain intensity, and studies recorded symptom changes in the observed populations regarding mobility. Some trials described patterns where measured outcomes differed between the combination and the anti-inflammatory component alone. However, the evidence is characterized by follow-up durations that were limited, with most study periods lasting from a few days up to two weeks.

Evidence in Other Musculoskeletal Conditions

Alovac was also evaluated in studies exploring short-term symptom changes in other musculoskeletal inflammatory conditions, including acute episodes of pain associated with conditions characterized by fluctuating or episodic manifestations, such as osteoarthritis. The evidence describing the combination's study in these broader, more general symptomatic settings is limited compared to the research base for acute back pain. These studies monitored patient-reported pain levels and measurements of joint mobility over defined time intervals.

Long-Term Outcomes and Follow-up Duration

Clinical trials for Alovac were designed to assess immediate or near-immediate symptom changes, relevant in trials assessing short-term or episodic symptom patterns. Consequently, follow-up durations were limited across the majority of the research landscape. There is limited information for long-term outcomes, and the sustained nature of the changes measured in the initial studies is not fully established. Evidence highlights what is known—and what is still uncertain—regarding whether measured patterns would be maintained over extended periods.

Research in Specific Patient Populations

The research has primarily included general adult populations experiencing the conditions studied. Data for certain groups remain insufficient, especially for children, pregnant individuals, and people with complex comorbidities. Limited information is available from studies examining outcomes in older adults or in populations with specific pre-existing health issues. Subgroup findings are uncertain, as the available data often do not provide sufficient evidence to draw distinct conclusions for these specific groups.

Evidence Consistency and Scientific Uncertainty

While studies contribute to the broader evidence landscape, scientific reviews have highlighted several limitations in the research design. The evidence quality varies across studies, and findings were mixed in some meta-analyses. The scientific literature identifies the short duration of the trials and the modest sample sizes used in many studies as core limitations across the evidence base. The research provides context but not individual predictions, and the study results reflect the specific conditions under which they were conducted.

Key Studies & References

  1. A prospective study comparing the safety and efficacy of combination of aceclofenac and thiocolchicoside against aceclofenac alone in low back pain
  2. Efficacy of Thiocolchicoside for Musculoskeletal Pain Management: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Frequently Asked Questions (FAQ)

Common questions about Alovac (FAQ)

Q: Are there any foods or drinks that should be avoided while taking Alovac?

A: Official documentation advises that grapefruit or grapefruit juice may increase the level of the active ingredient in the body. Beyond this specific warning, official documents state that the medication must be consumed with food, particularly a high-fat meal, to support optimal absorption.

Q: Can Alovac interact with common over-the-counter pain relievers?

A: Regulatory documents list interactions with several specific prescription medicines, but they do not provide a comprehensive statement covering all common over-the-counter pain relievers. Guidance on co-administering any non-prescription medication should be reviewed using the official drug resources or by a healthcare provider.

Q: Can Alovac be taken with alcohol (non-directive question)?

A: Because Alovac has the potential to cause changes in liver function (hepatic effects), official patient information advises limiting alcoholic beverages. Regulatory advice notes that this limitation is due to the potential for increased risk of hepatic side effects.

Q: Are there any specific warning signs or symptoms that should prompt contact with a healthcare provider while taking Alovac?

A: Official patient counseling describes specific symptoms that regulatory documents advise should be reported immediately, such as a severe headache, seizures, pale skin, or yellowing of the skin or eyes (jaundice). Other serious symptoms to report immediately include unusual bleeding, bruising, a persistent sore throat, fever, or chills.

Q: What is the Pregnancy Category or risk classification for Alovac?

A: Alovac was previously assigned the Pregnancy Category C by the FDA. The Australian TGA's classification is Category D. This is based on evidence suggesting a risk of harm to the fetus if used during pregnancy, and the drug is not to be used in women who are pregnant or suspect they might be.

Q: Is Alovac a common prescription, or is it considered a newer drug?

A: Official health bodies describe Alovac (Albendazole) as an essential anti-parasitic drug that is one of the most widely used globally. Its inclusion on the World Health Organization's (WHO) Essential Medicines List reflects its established role in the treatment of parasitic infections.

Q: How quickly should someone start to feel the effects of Alovac?

A: Official documents define the drug's activity in the body rather than the time until a person feels symptom relief. The active ingredient in Alovac is officially documented to reach its highest concentration in the blood within approximately 2 to 5 hours after a dose is taken.

Q: What is the average duration of action for one dose of Alovac?

A: The time the drug remains active in the body is described by its terminal elimination half-life. The official pharmacokinetics data shows that the half-life of the active ingredient typically ranges from 8 to 12 hours after a single dose.

Q: Can Alovac be taken long-term, or is it only for short-term use?

A: The length of use for Alovac depends entirely on the type of parasitic infection being managed. While some infections are treated with a short course, chronic systemic infections (e.g., Hydatid Disease) are officially treated with repeated, long-term treatment cycles that may extend over many months.

Q: Does Alovac cause weight gain or weight loss?

A: Changes in body weight are not listed among the commonly reported side effects in major regulatory documents. Regulatory documents note that dosing for children is weight-based, and changes in weight may require review.

Q: Is it normal to feel tired when first starting Alovac?

A: Official safety documentation reports that adverse reactions such as fatigue and dizziness have been documented in patients using the medication, particularly those being treated for systemic infections.

Q: What's the difference between Alovac and other similar medicines I've seen advertised?

A: Alovac contains the active ingredient Albendazole, which is officially classified as a benzimidazole anthelmintic. This classification defines its specific chemical structure and its established therapeutic role in eliminating parasitic worm infestations.

Q: Is Alovac safe for older adults (seniors)?

A: Clinical experience in patients aged 65 and older is limited, and official documents advise caution for this population. Official documents note that older patients face a potentially greater risk of developing severe gastrointestinal bleeding or perforation, and monitoring may be necessary.

Q: What happens if a dose of Alovac is forgotten or missed?

A: Official patient instructions generally advise taking the missed dose as soon as it is remembered. However, if it is nearly time for the next scheduled dose, the missed dose should be skipped, and the regular schedule continued. Patient instructions confirm that a double dose should not be taken to make up for a missed dose.

Q: Does Alovac affect sleep patterns?

A: Official safety documents list reactions such as dizziness and headache that can affect overall alertness. However, there is no direct official documentation stating that Alovac specifically alters sleep patterns (such as causing insomnia or excessive sleepiness).

Q: Is Alovac a controlled substance?

A: No, Alovac (Albendazole) is an anti-parasitic agent and is not classified as a controlled substance by regulatory agencies such as the U.S. Drug Enforcement Administration (DEA).

Q: Why might a doctor choose Alovac over another available drug?

A: Alovac is officially indicated because it is an established, broad-spectrum anthelmintic used to manage specific parasitic worm infections, including neurocysticercosis and hydatid disease, according to major health authorities.

Q: Can Alovac be split or crushed, or must it be swallowed whole?

A: Official prescribing information confirms that Alovac tablets may be crushed or chewed and swallowed with a drink of water.

Q: Is Alovac habit-forming or addictive?

A: Alovac is not classified as a controlled substance and is used to eliminate parasitic organisms. It is not associated with any risks of drug-seeking behavior, habit formation, or addiction in regulatory documentation.

Q: Does the research evidence for Alovac cover a diverse group of people?

A: Official documents explicitly state that clinical data for specific groups are limited or insufficient. This applies particularly to certain patient populations, including children under 2 years old, pregnant individuals, and people with complex pre-existing conditions.

Q: Does Alovac affect fertility or reproductive health?

A: In animal studies, Alovac caused male infertility and had aneugenic potential. Therefore, official guidelines state that men and women of reproductive potential are instructed to use effective contraception during and for a specified time after treatment.

Q: Are there any known long-term effects of taking Alovac for several years?

A: Long-term use is required for some specific conditions. Official documentation notes that such use may increase the risk of certain adverse events, including changes to blood cell counts (bone marrow suppression) and hepatic (liver) effects. Long-term use requires monitoring of blood cell counts and liver function, as noted in the official documentation.

Q: Is it mandatory to have specific tests before starting Alovac?

A: Yes, regulatory documents require a negative pregnancy test for females who can become pregnant prior to starting therapy. Monitoring of liver enzyme levels and blood cell counts is officially required both at the start and throughout the course of treatment.

Q: Is the term 'off-label use' relevant to Alovac?

A: The term 'off-label use' applies to Alovac, meaning the drug may be prescribed for conditions not explicitly listed on its official regulatory label. Official documents detail the specific conditions (e.g., neurocysticercosis, cystic hydatid disease) for which the drug is FDA-approved.

Q: Can Alovac be prescribed to someone with multiple existing health conditions?

A: Official warnings require heightened caution and monitoring for patients with existing conditions, particularly those involving the liver, kidneys, or bone marrow. These existing conditions must be monitored during treatment to manage the potential for adverse effects.

How should Alovac be stored and disposed of?

Alovac should be stored in a cool and dry place, away from direct sunlight, and kept below 30 C to maintain product stability and quality, according to labeling information. It must be kept out of the sight and reach of children to prevent accidental ingestion or exposure.

For disposal of unused or expired medicine, the preferred option is using a drug take-back program or mail-back envelope. If those options are not available and the medicine is not on the FDA flush list, it should be mixed with an unappealing substance, like coffee grounds, placed in a sealed container, and then discarded in the household trash. Empty packaging should have all personal information scratched out before disposal to protect privacy.

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

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