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Credelio Chewable Tablets for Cats


Item no: CREDELC
For the treatment of flea and tick infestations on cats.
Prescription Medicine
  • Select Option
  • Pack of 6 (0.5 - 2.0 kg) 12mg
  • pack of 6 (2.0 - 8.0 kg) 48mg
Max 1 per customer
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Target species

Indications for use, specifying the target species
For the treatment of flea and tick infestations on cats.
This veterinary medicinal product provides immediate and persistent killing activity for 1 month against fleas (Ctenocephalides felis and C. canis) and ticks (Ixodes ricinus).
Fleas and ticks must attach to the host and commence feeding in order to be exposed to the active substance.
The veterinary medicinal product can be used as part of a treatment strategy for the control of flea allergy dermatitis (FAD).

Do not use in cases of hypersensitivity to the active substance or to any of the excipients.
Special warnings for each target species
Parasites need to start feeding on the host to become exposed to lotilaner; therefore the risk of the transmission of parasite borne diseases cannot be completely excluded.
Acceptable levels of efficacy may not be achieved if the veterinary medicinal product is not administered with food or within 30 minutes after feeding.
Due to insufficient data to support efficacy against ticks in young cats, this product is not recommended for the treatment of ticks in kittens 5 months of age or younger.

Special precautions for use
Special precautions for use in animals
Safety and efficacy data has been studied in cats aged 8 weeks and older with a body weight of 0.5 kg or more. Therefore, use of this veterinary medicinal product in kittens younger than 8 weeks of age or less than 0.5 kg of body weight should be based on a benefit-risk assessment by the responsible veterinarian.

Special precautions to be taken by the person administering the veterinary medicinal product to animals
Wash hands after handling the product.
In case of accidental ingestion, seek medical advice immediately and show the package leaflet or label to the physician.

Adverse reactions (frequency and seriousness)
None known.

Use during pregnancy or lactation
Laboratory studies in rats have not produced any evidence of teratogenic effects, or any adverse effect on the reproductive capacity of males and females. The safety of the veterinary medicinal product in cats has not been established during pregnancy and lactation. Use only according to the benefit/risk assessment by the responsible veterinarian.

Interaction with other medicinal products and other forms of interaction
None known.

During clinical testing, no interactions between Credelio chewable tablets and routinely used veterinary medicinal products were observed.

Amounts to be administered and administration route
The flavoured veterinary medicinal product should be administered in accordance with the following table to ensure a single dose of 6 to 24 mg lotilaner/kg bodyweight.


Body weight of cat (kg)
Strength & number of tablets to be administered
Credelio 12 mg
Credelio 48 mg
Appropriate combination of tablets

For cats of more than 8 kg body weight, use an appropriate combination of available strengths to achieve the recommended dose of 6–24 mg/kg.
Administer the veterinary medicinal product with food or within 30 minutes after feeding.

For optimal control of tick and flea infestations, the veterinary medicinal product should be administered at monthly intervals and continued throughout the flea and/or tick season based on local epidemiological situations.

Overdose (symptoms, emergency procedures, antidotes), if necessary
No adverse reactions were observed following oral administration to kittens aged 8 weeks, weighing 0.5 kg, which were treated with more than 5 times the maximum recommended dose (130 mg lotilaner/kg bodyweight) on eight occasions at monthly intervals.

Withdrawal period(s)
Not applicable.

Pharmacological particulars
Pharmacotherapeutic group: ectoparasiticides for systemic use, isoxazolines. ATCvet code: QP53BE04

Pharmacodynamic properties
Lotilaner, a pure enantiomer from the isoxazoline class, is active against fleas (Ctenocephalides felis and Ctenocephalides canis) and ticks (Ixodes ricinus).
Lotilaner is a potent inhibitor of gamma–aminobutyric acid (GABA)-gated chloride channels, resulting in rapid death of ticks and fleas. In in vitro studies, the activity of lotilaner against some arthropod species was not affected by resistance to organochlorines (cyclodienes, e.g. dieldrin), phenylpyrazoles (e.g. fipronil), neonicotinoids (e.g. imidacloprid), formamidines (e.g. amitraz) and pyrethroids (e.g. cypermethrin).
For fleas, the onset of efficacy is within 12 hours of attachment for one month after product administration. Fleas on the animal prior to administration are killed within 8 hours.
For ticks, the onset of efficacy is within 24 hours of attachment for one month after product administration. Existing ticks on the animal prior to administration are killed within 18 hours.
The veterinary medicinal product kills existing and newly emerged fleas on cats before they can lay eggs. Therefore, the product breaks the flea life cycle and prevents environmental flea contamination in areas to which the cat has access.

Pharmacokinetic particulars
Following oral administration, lotilaner is readily absorbed and peak blood concentration is reached at 4 hours. Lotilaner is approximately 10 times more bioavailable when administered with food. The terminal half-life is approximately 4 weeks (harmonic mean). This terminal half-life provides effective blood concentrations for the entire duration of the inter-dosing interval.
The major route of elimination is biliary excretion, and renal excretion is the minor route of elimination (less than 10 % of the dose). Lotilaner is metabolized to a small extent into more hydrophilic compounds, which are observed in faeces and urine.

Pharmaceutical particulars
List of excipients
Yeast powder (flavour)
Silicified microcrystalline cellulose
Cellulose, powdered
Lactose monohydrate
Povidone K30
Sodium laurilsulfate
Vanillin (flavour)
Silica, colloidal anhydrous
Magnesium stearate

Major incompatibilities
Not applicable.

Shelf life
Shelf life of the veterinary medicinal product as packaged for sale: 3 years.

Special precautions for storage
This medicinal product does not require any special storage conditions.

Nature and composition of immediate packaging
The tablets are packaged in aluminium/ aluminium blisters packaged into an outer cardboard box. Each tablet strength is available in pack sizes of 1, 3 or 6 tablets. Not all pack sizes may be marketed.

Special precautions for the disposal of unused veterinary medicinal product or waste materials derived from the use of such products
Any unused veterinary medicinal product or waste materials derived from such veterinary medicinal product should be disposed of in accordance with local requirements.

Hi Can you crush the tablet up, eg in some cat pâte? Thanks, Elaine Please speak to your prescribing veterinary surgeon

Shipping charges mainland UK zone1

Value Weight Delivery Charge
Over £49.00 Any Weight FREE
Under £49.00 No weight limit £4.50
Under £49.00 Under 250g £2.99

Most orders are despatched the same day and standard delivery is 3 to 5 working days from despatch. FAST Expedited options are available.

NB: Orders placed with faster delivery must be placed before 13:00 to ensure same day dispatch (excluding weekends and bank holidays). Please also check on the product page that the items ordered show 'In Stock' otherwise your order will be delayed until the stock becomes available, which in most cases will only be 24hrs.

Estimated "Usually shipped in" information is shown against most products

Overseas orders

Postage outside of the UK is from £4.50

Prescription Items

Prescription items will be sent on receipt of a valid signed and dated prescription.

Pick up

We offer a pickup service for orders placed over the phone.

Please ring us on 01833 641112 for more information.

Refrigerated Items

Refrigerated items will be sent by carrier or Royal Mail with coolpacks unless you pay for a premium for a refrigerated delivery. We will contact you prior to despatch for your instructions.

We want you to be completely satisfied with any purchase. If not any item* can be returned to us within 14 days of receipt for exchange or refund Please give us a ring for a returns number on 01833 641112 or alternatively email sales@hyperdrug.co.uk to obtain a returns number.

*Due to legal requirements medicines may not be returned except to correct an error in despatch or in response to an "official recall". If an item is believed to be faulty it should be returned for inspection and it may be necessary to forward it to the manufacturers for testing before replacements or refunds can be authorised. This does not infringe legal rights. Please contact our customer services for a "Returns Number" which must appear on the outside of the package or it will not be accepted. We advise customers to use an insured method of shipping and to retain proof of despatch. We may refuse returns on products specially obtained or manufactured to order. Items must be returned unsoiled and unused and sent adequately packed and carriage paid.

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