At a glance
Albendazole is an anthelmintic from the benzimidazole family that is used under clinical care to treat a variety of parasitic worm infections. It works primarily by binding to parasite beta tubulin, impairing microtubule assembly and hindering uptake of glucose. The resulting energy depletion weakens and kills susceptible parasites over time.
This drug is not an antiviral medication and is not intended for cardiac conditions. If you need information on other treatment options or on different health issues, see the section on related medications and substitutes or contact a healthcare professional.
Key points to note
- Therapeutic class: Anthelmintic (benzimidazole derivative)
- Active substance: Albendazole
- Administration route: Oral; absorption is enhanced when taken with food, particularly fatty meals
- Common strength in the UK: 400 mg tablets are typically used, though obtaining them may require special ordering in some cases
- Usual role: Specialist therapy for echinococcosis, neurocysticercosis and certain other helminth infections
What it targets for treatment
When prescribed by a clinician with relevant expertise, albendazole is commonly used for:
- Echinococcus species induce echinococcosis, or hydatid disease.
- Neurocysticercosis from Taenia solium
- Other helminth infections known to respond to benzimidazoles, as advised by specialist guidance
Choice of therapy depends on the parasite species, site(s) of infection, coexisting conditions and specialist recommendations. For instructions on administration see How to deal with this situation. For time sensitive monitoring matters refer to Risk active monitoring for safety.
How to withstand it
Always follow the exact directions given on your prescription. Dose and treatment length vary according to the infection type, patient weight, organ involvement and concomitant medicines.
- Take albendazole with food to boost absorption; a high-fat meal is often recommended where practical.
- If swallowing tablets is difficult, ask whether they can be crushed or chewed and taken with a small volume of water.
- Recommended steps after skipping a dose: if you notice quickly, take the i forgot to take a dose. If the next dose is due soon, skip the i forgot to take a dose and continue the schedule. Do not take two doses together.
- If multiple doses have been missed, or you are uncertain how to proceed, contact the prescriber or a pharmacist for assistance and backing and guidance.
- Longer or repeated courses usually require outpatient keeping track of metrics; please review Security continuous monitoring for safety before any therapy begins.
Physical data at rest resides in storage until it is accessed.
Store albendazole tablets in their original container at about 20 to 25 C (68 to 77 F). Keep them away from moisture, excessive heat and direct sunlight. Avoid storing medicines in bathrooms or other damp spaces. Secure medicines out of reach of children and pets.
Safety advisories and system monitoring
Cautions against use due to medical reasons and allergies
- Do not take albendazole if you have a known allergy to albendazole or to other benzimidazole drugs.
Cautionary measures to tell your clinician about
- Pregnancy, intent to conceive, or nursing.
- Any liver disease or a history of blood disorders, including bone marrow suppression, low white cell count or low platelets.
- Existing eye disease affecting the retina or other ocular conditions.
- Concurrent use of prescription medicines, over-the-counter products, herbal remedies or dietary supplements.
- Past severe allergic reactions to medicines.
Extra safety aspects to address to bear in mind
- Sense of imbalance with sleepiness may occur. Until you know how albendazole affects you, avoid driving or using machinery; alcohol can increase these effects.
- Bone marrow suppression is uncommon but serious. Go to urgent care for signs such as fever, sore throat, unexplained bruises, severe bleeding or signs of infection.
- For extended treatment courses clinicians usually arrange baseline and periodic blood tests, including full blood count and liver function tests. Attend all performance monitoring appointments as advised.
- People who could become pregnant should have a negative pregnancy test before starting and must use effective contraception during treatment and for at least one month after the final dose.
- In neurocysticercosis, parasite killing can trigger inflammation; corticosteroids and anticonvulsants are often co-prescribed. Follow specialist instructions carefully.
Tracking and reporting
- Extended courses commonly include scheduled blood supervision and monitoring (for example baseline together with then at intervals such as every 2 weeks or as advised by the treating clinician).
- If you think you have an adverse reaction, report it using the MHRA Yellow Card Scheme. Pharmacists can help with reporting or you can visit the MHRA website refer to the details for more we have information.
- For legal and supply issues see Legal framework in the UK and shopping advice.
Interactive encounters
Inform your prescriber and pharmacist about every medicine, vitamin, or herbal preparation you use. Notable interactions among individuals examples include:
- Cimetidine available as prescribed medication, dexamethasone and praziquantel may increase concentrations of albendazole's active metabolite, which can raise the risk of unintended effects.
- Theophylline, a breathing aid in some regimens: concomitant use can increase theophylline exposure and its toxicity; additional watchful oversight may be necessary.
- Enzyme inducers like carbamazepine, phenytoin, phenobarbital and rifampicin can reduce albendazole concentrations conjoined with the potentially lower efficacy.
The current list excludes some items. If treatments changeexamine this. with a pharmacist or physician and inspect the materials dosing guidance and safety recommendations.
Possible treatment-related effects
A large segment of the population tolerates albendazole with no harmful health effects. When accompanying effects occur they tend to be mild and short-lived.
Predominant unwanted health consequences include a dull headache, nausea, abdominal discomfort and vomiting.
Seek emergency medical attention if you develop severe or life-threatening symptoms such as a widespread rash, facial or throat swelling, breathing difficulties, dark urine, markedly reduced urine output, high fever, severe sore throat, blistering skin, seizures, persistent severe dizziness or recurring headache, unusual bleeding or bruising, extreme weakness, vision changes, or jaundice.
If you are worried about any symptom, contact your clinician. Consider reporting temporary side effects through the MHRA Yellow Card Scheme. For how to store items, see the optimized storage layouts improve overall efficiency. the section unit. Object access to storage space determines how quickly items can be retrieved..
Medications with similar properties and alternate care options
Selection of an a different solution depends on the parasite species, site of infection, patient factors and national leadership. Some diverse a different solutions or related agents are:
- The medication known as Praziquantel: commonly used for many tapeworm infections and schistosomiasis; often the drug of choice for those indications of.
- Mebendazole: used for intestinal nematodes such as Enterobius (threadworm); some preparations may be available over the counter for specific uses in the UK.
- Ivermectin: indicated for certain parasitic infections including strongyloidiasis; prescribing is usually specialist-led in the UK.
- Niclosamide: a tapeworm treatment; availability may be limited and might require special ordering in the UK.
- Nitazoxanide: used for select protozoal infections; licensing and access depend on the indication.
Do not change or substitute medicines without medical advice. Several of these drugs are not licensed for every use in the UK and may need specialist or hospital prescribing. For an approximate cost comparisoninspect the details. the estimates British price levels.
Cost levels in the UK - rough guide
Costs vary by supplier, brand, strength, whether the item is supplied on the NHS or privately, and by dispensing fees. The figures below are approximate and provided for general comparison only.
- Albendazole 400 mg tablets: private supply commonly ranges roughly from 15 to 70 GBP per tablet depending on retailer and whether a special import is necessary.
- Praziquantel for helminth infections: a private course may typically cost between 15 and 50 GBP depending on dose and formulation.
- Ivermectin three milligram tablet: private prices are often in the region of 2 to 6 GBP per tablet.
- Mebendazole (OTC packs for common intestinal worms): retail packs generally cost approximately 3 to 12 GBP.
NHS prescription charges in England apply per item for eligible patients (check current NHS rates; historically a common charge has been near 9 to 10 GBP per item). Prescriptions are usually free for residents of Scotland, Wales and Northern Ireland. Hospital-supplied specialist treatments may not incur a community prescription charge. Private consultation and dispensing fees can add to the overall expense.
UK regulatory status and purchasing considerations
- Regulatory classification: Albendazole for human use is a Prescription Only Medicine (POM) in the UK and must be supplied against a valid prescription.
- Prescribing and dispensing: A prescription from a UK-registered prescriber is required and dispensing should be by a pharmacy registered with the General Pharmaceutical Council (GPhC).
- Purchasing online: Only use pharmacies listed on the GPhC register. Verify a seller's registration on the GPhC website before buying medicines online.
- Importing: The Medicines and Healthcare products Regulatory Agency (MHRA) advises against importing prescription medicines without an appropriate UK prescription. Personal imports are subject to rules; albendazole is not a controlled drug but other controls may apply.
- Travel advice: Carry medicines in original packaging with the prescription or clinician letter, and only transport quantities intended for personal use.
- Follow clinical instructions: Use the medicine exactly as prescribed and attend any required vigilant monitoring. See Security and continuous oversight for contraception and blood test recommendations.
If you doubt whether a pharmacy or seller is legitimate, contact your NHS pharmacist, consult NHS guidanceproduce several unique renditions of the sentence or phrase located between the opening and closing angle brackets: <, or reevaluate the>. GPhC register. For reporting undesired consequences use the MHRA Yellow Card Scheme as noted in Safety and metric monitoring.
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