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Atenas

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Niclosamide + Levamisole · Teknofarma S.p.A.

1 form: tablet. In force in Georgia: 1 of 1 (veterinary register).

Forms and doses1 of 1 in force in Georgia

The dose from the product's label, by species and weight. Check the label of the pack you use.

Choose species and weight; the matching row will be highlighted.
Form Species Dose Frequency Georgia
Tablet · Cat Cat 1 tablet per 5 kg
Fasting is unnecessary. Avoid frequent/repeated use and underdosing.
 · single oral dose		 single oral dose Georgia Yes, veterinary
Veterinary (National Food Agency)
In the register: ატენასი
№ 164-11
Verified on: 21 Oct 2026
Tablet · Dog Dog 1 tablet per 5 kg
Fasting is unnecessary. Avoid frequent/repeated use and underdosing.
 · single oral dose		 single oral dose Georgia Yes, veterinary
Veterinary (National Food Agency)
In the register: ატენასი
№ 164-11
Verified on: 21 Oct 2026
Details: pack, label wording, sources, registration

Atenas, Tablet

niclosamide 750 mg / levamisole 42.4 mg tablets, N10
vetman assessment
vetman’s 10-point assessment brings together a product’s regulatory credibility, clinical efficacy, safety and practicality. Cost-effectiveness is assessed only when reliable data are available. It is informational and does not replace a veterinarian’s clinical judgment for an individual patient.
Dog Full dog label: single-dose treatment of gastrointestinal roundworm infections (levamisole) and Taenia-type tapeworm infections (niclosamide)
5.6/10
Weak evidence support
vetman assessment

Atenas

niclosamide 750 mg / levamisole 42.4 mg tablets, N10
Assessed clinical scopeDog · Full dog label: single-dose treatment of gastrointestinal roundworm infections (levamisole) and Taenia-type tapeworm infections (niclosamide) · By mouth
Care settingVeterinary-prescribed deworming of a weighed dog when better-tolerated praziquantel combinations are not available
vetman score 5.6/10 Weak evidence support
Evidence confidence: Medium Georgia: Yes, veterinary · № 164-11 · Verified on 21 Oct 2026

A weak option despite its EU authorisation: the drugs are old, the levamisole margin is narrow and it does not cover Echinococcus, which matters in Georgia. Praziquantel-based combinations are preferred.

Regulatory and scientific credibility6.5/10

The product holds a valid Italian national authorisation (Fatro, since 1984) listed in the EU Union Product Database and is registered in Georgia (164-11), but it is an old authorisation without a public assessment report, and the Georgian entry shows a slightly different levamisole strength.

Clinical efficacy5.0/10

Levamisole is effective against roundworms and hookworms but not reliably against whipworms, and niclosamide kills Taenia but is not active against Echinococcus and is inconsistent against Dipylidium; ESCCAP relies on praziquantel for tapeworm control.

Safety and tolerability5.0/10

Levamisole has a narrow safety margin, with vomiting, salivation and neurological signs near the therapeutic dose; the label excludes severe liver or kidney insufficiency and combination with organophosphates or carbamates.

Clinical practicality6.0/10

A single oral tablet without fasting is simple, but the weight band was not available in the catalogue and frequent repeat use is discouraged by the label.

Full-course cost-effectiveness-

No verified current Georgian price or patient-adjusted course cost was found; foreign prices were not substituted.

Important safety and use flags

  • Niclosamide is not active against Echinococcus: do not use this product for echinococcosis control; use praziquantel.
  • Levamisole has a narrow margin: dose by an accurate weight, never overdose, and do not use with severe liver or kidney insufficiency or hypersensitivity.
  • Do not combine with organophosphates or carbamates, including collars or dips, which add to levamisole toxicity.
  • Use in pregnancy or lactation only after a veterinary benefit-risk assessment.
  • Not reliably effective against Trichuris whipworms.
  • The EU record lists levamisole hydrochloride 50 mg (42.4 mg base) and names Fatro as holder; the Georgian register shows 42.2 mg. Check the pack.
Assessment sources
  1. EU UPD Atenas2026
  2. Georgia NFA register 20262026
  3. ESCCAP worm control guideline2026
  4. WSAVA essential medicines 20232023
Assessed: 23 Oct 2026The overall score uses 25/25/25/15/10 weights. An unassessed price is excluded and the remaining weights are proportionally renormalised.
Cat Full cat label: single-dose treatment of gastrointestinal roundworm infections (levamisole) and Taenia-type tapeworm infections (niclosamide)
5.4/10
Weak evidence support
vetman assessment

Atenas

niclosamide 750 mg / levamisole 42.4 mg tablets, N10
Assessed clinical scopeCat · Full cat label: single-dose treatment of gastrointestinal roundworm infections (levamisole) and Taenia-type tapeworm infections (niclosamide) · By mouth
Care settingVeterinary-prescribed deworming of a weighed cat when better-tolerated praziquantel combinations are not available
vetman score 5.4/10 Weak evidence support
Evidence confidence: Medium Georgia: Yes, veterinary · № 164-11 · Verified on 21 Oct 2026

A weak option for cats: an old EU-authorised combination with a narrow levamisole margin, an awkward tablet and no Echinococcus cover. A praziquantel-pyrantel or praziquantel-emodepside product is preferred.

Regulatory and scientific credibility6.5/10

The product holds a valid Italian national authorisation (Fatro, since 1984) for dogs and cats listed in the EU Union Product Database and is registered in Georgia (164-11), but it is an old authorisation without a public assessment report.

Clinical efficacy5.0/10

Levamisole acts on Toxocara cati and hookworms, and niclosamide on Taenia, but niclosamide is inconsistent against Dipylidium and inactive against Echinococcus; praziquantel combinations are the feline standard in ESCCAP.

Safety and tolerability4.5/10

Levamisole has a narrow margin and cats show salivation, excitation or vomiting near the therapeutic dose; the label excludes severe liver or kidney insufficiency and organophosphate or carbamate use.

Clinical practicality5.5/10

A single dose without fasting is simple, but a large 750 mg niclosamide tablet must usually be divided for cats and is hard to give.

Full-course cost-effectiveness-

No verified current Georgian price or patient-adjusted course cost was found; foreign prices were not substituted.

Important safety and use flags

  • Levamisole has a narrow margin in cats: dose by an accurate weight, never overdose, and do not use with severe liver or kidney insufficiency.
  • Do not combine with organophosphates or carbamates, including collars, which add to levamisole toxicity.
  • Niclosamide is not active against Echinococcus and is unreliable against Dipylidium; use praziquantel when these tapeworms are the target.
  • Use in pregnancy or lactation only after a veterinary benefit-risk assessment.
  • Watch for salivation, vomiting or excitation after dosing.
Assessment sources
  1. EU UPD Atenas2026
  2. Georgia NFA register 20262026
  3. ESCCAP worm control guideline2026
  4. WSAVA essential medicines 20232023
Assessed: 23 Oct 2026The overall score uses 25/25/25/15/10 weights. An unassessed price is excluded and the remaining weights are proportionally renormalised.
Composition / strength
Niclosamide750 mg/tablet Levamisole42.4 mg/tablet
Formulation Type
Tablet
Administration route
By mouth
Manufacturer
Teknofarma S.p.A. · Italy
Registration
Georgia Yes, veterinary
Veterinary (National Food Agency)
In the register: ატენასი
№ 164-11
Verified on: 21 Oct 2026
Controlled in Georgia
Unknown
DoseSpeciesWeightRouteFrequencySource
1 tablet per 5 kg
Fasting is unnecessary. Avoid frequent/repeated use and underdosing.
 Cat Any weight By mouth single oral dose
EU UPD Atenas
Official product label (SPC)
Approved by a medicines regulator as part of the product's authorisation. It applies to that product as authorised there.
Atenas 750/42.4 mg tablets - current product information
EU Union Product Database, 2026
1 tablet per 5 kg
Fasting is unnecessary. Avoid frequent/repeated use and underdosing.
 Dog Any weight By mouth single oral dose
EU UPD Atenas
Official product label (SPC)
Approved by a medicines regulator as part of the product's authorisation. It applies to that product as authorised there.
Atenas 750/42.4 mg tablets - current product information
EU Union Product Database, 2026

Niclosamide: No dose supported by a publicly verifiable source yet

Levamisole: No dose supported by a publicly verifiable source yet

Professional reference for veterinary professionals. Not advertising and not a substitute for the product label/SPC.

For veterinary professionals only. It does not replace clinical judgement or the product label; check the dose in the official label (SPC). vetman is not liable for harm caused by using this information.

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This reference is still growing. Missing a product? Let us know. · Report an error or request an addition · Updated: 21 Oct 2026

All of this shows in vetman as you prescribe

The dose for the patient's weight, registration in Georgia and controlled status, right on the prescription.

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