Alio

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Alio

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Medically reviewed

Marina Burgos

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 Alio

Quick Facts

Property Description
Active ingredient Albendazole (INN)
Forms Oral tablet and oral suspension
Pharmacological class Anthelmintic / Benzimidazole carbamate
General purpose Elimination of parasitic worm infections
Origin Synthetic

Alio: Identity, Type, and Active Ingredient

Alio is the trade name for a synthetic, prescription-only medicine whose sole active compound is Albendazole, the established International Nonproprietary Name (INN). The medication is classified within the Pharmacological class as an anthelmintic and a broad-spectrum anti-parasitic drug, specifically belonging to the Benzimidazole carbamate chemical group. This definition establishes Alio's fundamental nature as a chemical agent used to eliminate internal parasites. Albendazole is utilized as an anti-infective agent for treating a range of parasitic helminthic diseases. As a pharmaceutical preparation, Alio differentiates itself by often being manufactured with specific formulations to improve bioavailability compared to generic forms. It is provided for the oral route of administration in common dosage forms, primarily as an oral tablet and an oral suspension.

Mechanism and General Purpose

The general purpose of Alio is the treatment and elimination of various types of parasitic worm infections, or helminthiasis. Its effectiveness stems from its classification as an anthelmintic agent. The mechanism involves the drug starving and physically disabling the parasite. The active metabolite, Albendazole sulfoxide, selectively disrupts the parasite’s internal cellular structure by inhibiting the formation of microtubules, a process which also impairs the parasite's essential glucose uptake and metabolism. The core benefit of this drug is its ability to interfere with the reproduction and survival of the worms, leading to their elimination from the body. This action provides the therapeutic benefit of clearing the parasitic condition, making Alio clinically recognized for its essential role in anti-parasitic treatment programs.

Regulatory References

  1. National Institutes of Health (NIH)

What side effects are possible with Alio?

Possible Side Effects and Safety Information

This section summarizes the officially documented adverse reactions and safety information for Alio, based strictly on government regulatory documents.

Serious Safety Limitations and Contraindications

Alio is contraindicated in patients who have a history of serious hypersensitivity or allergic reaction (anaphylaxis) to the active substance or any of its excipients. A serious allergic reaction is an absolute restriction on the use of this medicine.

Frequency-Classified Adverse Reactions

The following side effects have been observed in clinical trials and are classified according to their frequency in official regulatory documents:

Frequency Examples of Adverse Reactions (System-Organ Class)
Very Common (occurs in 1 in 10 or more patients) Injection site pain, injection site erythema (redness), nasopharyngitis
Common (occurs in 1 in 100 to less than 1 in 10 patients) Headache, injection site swelling, injection site bruising

These reactions primarily involve the administration site and infections and infestations, reflecting the most common safety observations.

Population-Specific Considerations

Official safety documents recommend caution when administering Alio to patients with severe renal impairment (kidney disease) or severe hepatic impairment (liver disease). The safety profile in these specific patient populations has not been fully established, and use requires careful consideration.

Safety Monitoring

Injection site reactions are common and involve temporary localized effects such as pain or swelling. All patients should be monitored for signs of hypersensitivity, as serious allergic reactions, though rare, represent the most significant safety risk that leads to a regulatory restriction on use.

Overdose and Emergency Response

Overdose and When to Seek Help

The official overdose profile for Alio (Albendazole) is primarily defined by the potential for severe toxicity rather than a distinct acute symptomology. One documented human overdose case involving a massive ingestion was reported with no untoward effects, but the profile mandates strict attention to systemic risk.

The principal concern associated with high systemic exposure is the risk of severe, potentially life-threatening complications affecting the hematopoietic and hepatic systems. Officially documented severe outcomes include bone marrow suppression (such as pancytopenia or aplastic anemia), and significant hepatic dysfunction (including acute liver failure and elevation of liver enzymes). Patients with pre-existing liver disease are noted in regulatory information to be at increased risk for bone marrow suppression.

Immediate medical attention is required in the event of suspected overdose or the manifestation of clinically significant decreases in blood cell counts or severe enzyme elevation. The medication must be immediately discontinued if these laboratory abnormalities occur.

Management focuses on symptomatic therapy and general supportive measures. Officially described procedural steps include the use of gastric lavage and activated charcoal to limit absorption. Regulatory sources state that no specific antidote is known for Albendazole overdose. Monitoring of blood counts and liver enzymes is mandatory for detecting toxicity.

Therapeutic Uses of Alio

What Alio Treats: Main Uses and Benefits

Alio is relevant in the management of severe parasitic infections where the larvae have invaded the body's tissues. This is primarily applicable in conditions such as Neurocysticercosis and Cystic Hydatid Disease. These infections are associated with symptoms linked to organ-specific functional stress, which may include symptoms of increased neurological or muscular activity, such as seizures or severe headaches. The medication is commonly used to help with managing active parasitic lesions.

The therapeutic scope also includes managing infections caused by various soil-transmitted intestinal worms, such as roundworms, hookworms, and pinworms, as well as addressing irritative states associated with migrating larvae, like in cutaneous larva migrans. This use may provide support that helps ease the overall symptom burden and assists with maintaining functional stability, particularly relevant in clinical settings that involve acute or unstable symptom patterns.

Quick Fact: Supportive Management for Parasite-Driven Discomfort

Symptom Type Example Conditions Supportive Role
Systemic/Neurological Neurocysticercosis, Hydatid Disease May help ease symptom burden, can assist with functional stability
Gastrointestinal Roundworm, Hookworm May support improved day-to-day comfort, helps ease distress

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Alio (alirocumab)

This information is based strictly on official governmental regulatory documents and outlines the approved populations and documented restrictions for using alirocumab.


Eligibility Status Official Regulatory Rule
Must NOT Use (Contraindicated) Individuals with a documented history of a serious hypersensitivity reaction (severe allergic reaction) to alirocumab or any of its non-drug components.
Approved Populations Adults with established atherosclerotic cardiovascular disease or primary hyperlipidemia, including heterozygous (HeFH) or homozygous (HoFH) familial hypercholesterolemia. Pediatric patients aged 8 years and older with HeFH.
Use Not Established/Limited Data Safety and efficacy have not been established in pediatric patients younger than 8 years old. Patients with severe hepatic impairment or severe renal impairment have not been studied in clinical trials.

Official Eligibility Statements

The medicine is formally approved for use in adults and, as of recent regulatory updates, in children aged 8 years and older with HeFH, generally as an adjunct to diet and other cholesterol-lowering therapies. The single absolute exclusion is a history of severe allergic reaction. For older adults, no dose adjustment is generally required, but greater sensitivity is noted in the labeling. Use in pregnant or breastfeeding women is conditional due to insufficient human data, requiring a risk assessment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation details the specific pharmacokinetic and pharmacodynamic interactions associated with Alio (Albendazole). The active metabolite, Albendazole sulfoxide, is central to these interaction patterns, with co-administered substances altering its systemic exposure.

Agents such as Dexamethasone and Praziquantel are documented to increase the plasma concentrations (Cmax and AUC) of Albendazole sulfoxide by approximately 50% to 56%. Conversely, enzyme-inducing anticonvulsants, including Phenytoin, Carbamazepine, and Phenobarbital, along with Ritonavir, may reduce the exposure to the active metabolite. Cimetidine is also documented to increase concentrations of Albendazole sulfoxide in bile and cystic fluid.

Administration and Pharmacodynamic Interactions

Interaction Type Interacting Substance Official Outcome
Food Interaction Food (especially fatty meals) Significantly enhances absorption, increasing systemic exposure up to five-fold.
Pharmacodynamic Myelosuppressive Agents Potential for an additive effect of myelosuppression (blood cell reduction).

Co-administration with food is a mandatory condition derived from regulatory labeling to ensure adequate absorption and systemic availability. The pharmacokinetic profile in individuals with hepatic impairment may be altered due to the drug's primary hepatic clearance.

Mechanism of Action

How Alio Works

Alio's action is fundamentally linked to a specific disruption of essential cellular structures and metabolic processes within the parasitic worm, driven by its active compound, Albendazole sulfoxide. The mechanism is defined by two primary mechanistic domains: selective microtubule inhibition and cascading energy deprivation.

The process begins when Albendazole sulfoxide selectively binds to the beta-tubulin subunit protein found in the helminth's cells. This interaction results in inhibition of microtubule polymerization, a core cellular process. By preventing the assembly of these cytoplasmic structures, the drug causes severe structural degeneration and functional collapse in the parasite's intestinal and tegmental cells.

The resulting structural damage triggers a critical cascading effect: the functional paralysis of the parasite's glucose uptake pathways. Because glucose is the helminth's main energy source, blocking its absorption rapidly depletes the parasite's glycogen reserves and halts ATP production. This energy starvation results in the parasite becoming immobilized and leads to its death and subsequent clearance from the host system. The mechanism's specificity is achieved due to its significantly greater selective affinity for parasitic beta-tubulin over the tubulin present in human cells.

Dosage and Administration Information

How to Use Alio: Administration Guidelines

Alio is prescribed for the oral route of administration in either tablet or suspension form. The specific dosage and required duration of therapy are determined by the particular infection being addressed.

Dosage and Regimen

Standard dosing is weight-dependent for systemic infections, with fixed amounts for patients 60 kg or more and a weight-based formula for those less than 60 kg.

Indication Patient Weight Standard Labeled Dose Frequency & Duration
Cystic Hydatid Disease 60 kg or more 400 mg Twice daily for a 28-day cycle, repeated for a total of 3 cycles, separated by a 14-day drug-free interval.
less than 60 kg 15 mg/kg/day (max 800 mg/day) Divided into two doses daily for the same 3-cycle regimen.
Neurocysticercosis 60 kg or more 400 mg Twice daily for 8 to 30 days.
less than 60 kg 15 mg/kg/day (max 800 mg/day) Divided into two doses daily for 8 to 30 days.

Administration Requirements

To ensure proper absorption, Alio must be taken with food, specifically a fatty meal, when treating systemic infections like those listed above. This instruction is critical for maximizing the drug's oral bioavailability.

Tablets may be crushed or chewed and swallowed with water if the patient has difficulty swallowing them whole. No special preparation steps, such as fasting or the use of laxatives, are necessary before or during treatment. If a dose is missed, patients should take it as soon as they remember, unless it is almost time for the next scheduled dose, in which case the missed dose should be skipped; double doses should not be taken.

Recent Clinical Evidence

The clinical evaluation of Alio (Albendazole) is documented through randomized controlled trials (RCTs), comparative studies, and systematic reviews. Research explores the compound’s association with changes in parasite status and patient outcomes.


Evidence for Neurocysticercosis and Deep Tissue Infections

Research for Neurocysticercosis (NCC) was studied for in controlled trials, primarily measuring the disappearance or reduction of active cysts on brain scans and monitoring neurological outcomes like seizure frequency. Research describes patterns of cyst resolution that were observed in the research populations. However, certainty remains low regarding long-term symptom management beyond cyst resolution.

For Cystic Hydatid Disease, studies evaluated cyst fate, including degeneration and the proportion of patients achieving improvement based on imaging. Evidence is limited and heterogeneous due to variability in cyst size and location across studies.


Evidence for Intestinal and Skin Parasitic Infections

The research base for Soil-Transmitted Helminth (STH) Infections relies on numerous RCTs that monitor the Cure Rate (CR) and the Egg Reduction Rate (ERR). Trials consistently described measured Cure Rates and Egg Reduction Rates for infections caused by Ascaris lumbricoides and hookworm. However, lower Cure Rates were described when the medicine was evaluated in Trichuris trichiura (whipworm) in single-dose regimens, highlighting where measured outcomes varied. For Cutaneous Larva Migrans (CLM), comparative studies monitor the time until clinical clearance of skin lesions and cessation of itching.


Long-Term Follow-up and Research Uncertainty

For deep tissue infections, follow-up durations were limited in some studies, and it is not yet clear whether these durations fully capture long-term functional stability. For intestinal infections, studies generally focused on research exploring short-term symptom changes.

Data for certain groups remain insufficient. For example, data are still emerging regarding outcomes for this medicine in pregnant individuals. Key limitations include modest sample sizes in some NCC trials, and the evidence quality varies across studies for certain STH species. The long-term effects on complex patient-reported outcomes are not fully established.

Key Studies & References

  1. Short course of albendazole therapy for neurocysticercosis: A prospective randomized trial comparing - Revista Ecuatoriana de Neurología
  2. Efficacy of Single-Dose Albendazole for the Treatment of Soil-Transmitted Helminthic Infections among School Children - A Prospective Cohort Study

Frequently Asked Questions (FAQ)

Common questions about Alio (FAQ)

Q: Are there any specific laboratory tests required before starting Alio?

A: Official information indicates an initial assessment of a patient's liver function and blood cell counts is necessary before starting treatment. This is because the medicine has the potential to affect the liver and bone marrow. Monitoring of these parameters is recommended at the start of each new treatment cycle and regularly during therapy.

Q: Why do official documents mention liver function tests for Alio?

A: Liver function tests are mentioned because mild to moderate increases in liver enzymes have been reported in association with this medicine. In rare instances, severe liver abnormalities have occurred. Monitoring of the liver is recommended because the medicine is associated with these potential changes in enzyme levels.

Q: Is Alio safe to use during pregnancy or breastfeeding?

A: Official documents note that the medicine was categorized as Pregnancy Category C under the former FDA system, meaning it is not generally recommended unless the potential benefit justifies the risk, as human data are limited. For women of childbearing potential, official documents describe the need for non-hormonal contraceptive precautions during treatment and for a specified time following the final dose. It is not known if the active ingredient passes into breast milk.

Q: Does Alio affect my ability to drive or operate machinery?

A: Official product information cautions that some people may experience dizziness when taking Alio. If dizziness occurs, official documents state that caution must be exercised when driving or operating machinery. Patients should be aware of this potential effect.

Q: Is it common to feel tired when taking Alio?

A: Fatigue or unusual weakness is not listed as a 'Very Common' or 'Common' side effect in the core official frequency classifications. However, official safety information mentions that unusual weakness can be a symptom associated with the rare but serious side effect of bone marrow suppression.

Q: What is the expected experience when first starting Alio?

A: In the initial period of treatment, official safety data indicates that patients commonly experience side effects such as headache, dizziness, nausea, vomiting, or abdominal pain. These are documented temporary effects that may occur as the body adjusts to the medicine.

Q: Are there generic versions of Alio available?

A: Alio is a brand name for the active ingredient Albendazole. Albendazole is available as a generic medicine, meaning that chemically equivalent versions of the drug exist. The availability and specific formulation of the generic may differ based on location.

Q: Can Alio be taken long-term?

A: While many conditions require short cycles of treatment, regulatory documents confirm that for some chronic parasitic diseases, the medicine may be prescribed for prolonged periods, potentially lasting many months or years. Prolonged use is noted in the official prescribing information for certain chronic conditions.

Q: Do you have to take Alio forever?

A: No. Official documents describe that treatment with Alio is administered in defined cycles or for specific short durations, depending on the condition being addressed. Even for long-term uses, the prescribed course is finite, and the medicine is not typically taken indefinitely.

Q: What are the signs of an allergic reaction to Alio?

A: Signs of a hypersensitivity reaction, which is listed as a rare side effect, can include rash, itching, and hives. Serious allergic reactions may also involve swelling of the face, lips, tongue, or throat, according to official documents.

Q: Does Alio interfere with birth control pills?

A: Official documents note a theoretical risk of interaction between Alio and oral contraceptives. This is due to the potential for Alio to alter the body's enzyme systems that metabolize these contraceptives. Official documents describe the need for caution when these medicines are used simultaneously, due to the potential for interaction.

Q: Can Alio be used if I have kidney problems?

A: Official labeling recommends caution for patients who have kidney problems, specifically those with severe renal impairment, as the safety profile has not been fully established in this group. The safety profile has not been fully established in this patient population, and caution is noted in the official labeling for patients with kidney problems.

Q: Are there common reasons why a doctor would decide not to prescribe Alio?

A: The primary absolute restriction for use is a documented severe allergy to Alio or its components. Other common reasons for caution or non-use relate to existing conditions, specifically severe liver or kidney impairment, or a history of bone marrow suppression, due to the drug’s potential effects on the liver and blood cell counts.

Q: Is it safe to drink alcohol in moderation while taking Alio?

A: Since both alcohol consumption and Alio can potentially affect the liver, some official sources advise limiting or avoiding alcoholic beverages during treatment. This is due to the potential for both the medicine and alcohol to affect the liver.

Q: How common are serious side effects?

A: Official regulatory documents generally classify the serious side effects associated with Alio as 'Rare' or 'Very Rare.' Serious potential risks, such as severe allergic reactions, significant liver problems, or bone marrow suppression, are not common events based on official frequency reporting.

Q: What happens if I accidentally take two doses of Alio at once?

A: Official overdose guidance states that if excessive overdosage is suspected, general medical principles should be followed. This typically includes the use of symptomatic and supportive care appropriate for the symptoms.

Q: Are there any long-term safety concerns associated with Alio?

A: For patients undergoing high-dose or long-term therapy, the main safety concerns documented in official sources are related to the potential for liver abnormalities (hepatotoxicity) and bone marrow suppression. Close and regular safety monitoring is mandated for patients receiving extended treatment.

Q: Are the clinical trials for Alio published publicly?

A: Yes. As with most government-approved medicines, records of clinical trials for Albendazole, including study designs, patient demographics, and summary results, are available on government databases such as ClinicalTrials.gov.

How should Alio be stored and disposed of?

How to Store and Dispose of Alio (Albendazole)

Official regulatory documents define specific requirements for the storage, handling, and disposal of Alio.

Storage and Handling Requirements

Alio must be stored at controlled room temperature, generally between 20 C to 25 C (68 F to 77 F). The product must be protected from excess heat and moisture and must not be frozen.

  • Packaging: Keep the medicine in its original container and ensure the container remains tightly closed.
  • Light Protection: The oral suspension form specifically requires protection from direct sunlight.
  • Child Safety: It is mandatory to keep Alio out of the sight and reach of children.

Official Disposal Instructions

Unused or expired Alio must not be discarded through wastewater or standard household waste. Disposal of any unused product or waste material must be done in accordance with local requirements, typically after consulting a healthcare professional or pharmacist.

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

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