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Noromectin is an oral paste wormer for horses containing ivermectin. 



Noromectin is for the treatment and control of adult and immature roundworms, lungworms and bots in horses. Each 



Noromectin syringe is sufficient to treat a 700kg horse.



Active ingredient :  ivermectin.



Legal Category : POM-VPS



If you can, please consider having a worm count done first..... our Worm Count Kits are available at only £10.95 + Free Delivery! click here for details.






Contra Indications / Warnings



For animal treatment only.



Some horses carrying heavy infection of Onchocerca microfilariae have experienced oedema and pruritus following dosing, assumed to be the result of death of large numbers of microfilariae. These signs resolve within a few days but symptomatic treatment may be advisable.



Noromectin 1.87% Oral Paste for Horses has been formulated for use in horses only.



Dogs and cats may be adversely affected by the concentration of ivermectin in the veterinary medicinal product if they are allowed to ingest spilled paste or have access to used syringes.



Avermectins may not be well tolerated in all non-target species (cases of intolerance with fatal outcome are reported in dogs, especially Collies.Old English Sheepdogs and related breeds or crosses, and also in turtles/tortoises.  



Animals must not be slaughtered for human consumption during treatment. Horses must not be treated within 34 days of slaughter for human consumption.



Do not use in mares producing milk for human consumption



Do not smoke or eat while handling the product.



Wash hands after use.



Avoid eye contact.



Do not use in or near dogs or cats as severe adverse reactions may occur






Do not contaminate surface water or ditches with product or used containers.



Any unused product or waste material should be disposed of in accordance with guidance from your local waste regulation authority



Frequent and repeated use may lead to the development of resistance.







Noromectin 1.87% Oral Paste for Horses kills the adult and some larval stages of the important internal parasites of horses.



Noromectin 1.87% Oral Paste for Horses at the recommended dose rate of 200 mcg ivermectin per kg bodyweight is indicated for the treatment of the following internal parasites of horses:

Large strongyles (redworms).: adults and 4th larval (arterial) stages of Strongylus vulgaris, adults and tissue larval stages of S. edentatus and adults of S. equinus.

Adult small strongyles (redworms) including benzimidazole resistant strains: Cyathostomum catinatum, Cyathostomum pateratum, Cylicocyclus ashworthi, Cylicocyclus elongatus, Cylicocyclus insigne, Cylicocyclus leptostomum, Cylicocyclus nassatus, Cylicocyclus radiatus, Cylicostephanus asymetricus, Cylicostephanus bidentatus, Cylicostephanus calicatus, Cylicostephanus goldi, Cylicostephanus longibursatus, Cylicostephanus minutus, Cylicodontophorus bicornatus and Gyalocephalus capitatus.

Adult and immature lungworms: Dictyocaulus arnfieldi
Pinworms: Adult and immature Oxyuris equi
Ascarids: Adult and 3rd and 4th stage Parascaris equorum

Hairworms: Adult Trichostrongylus axei

Intestinal threadworms: Adult Strongyloides westeri

Neck threadworms: Microfilariae of Onchocerca spp

Oral and gastric larval stages of stomach bots: Gasterophilus spp.

Ivermectin is not effective against encysted larval stages of the small strongyles.


Click on the following link to find details of all veterinary medicinal products currently authorised in the UK together with a list of suspended and recently expired products.

If you suspect an adverse reaction

If you have a complaint the VMD may be contacted at


Further Info



Noromectin 1.87% Oral Paste for Horses kills the adult and larval stages of the important internal parasites of horses. These include small redworms which are resistant to benzimidazole-based wormers, the arterial stages of the large redworm, lungworms and bots.


One syringe is sufficient to treat up to 700kg bodyweight.


Noromectin is an Oral paste containing 1.87% w/w ivermectin Ph. Eur. and 2% w/w titanium dioxide (E171).


Dosage and administration



Noromectin 1.87% Oral Paste for Horses is administered orally at a single dose rate of 200 mcg/kg of bodyweight. One syringe division of paste should be administered per 100 kg bodyweight (based on the recommended dosage of 200 mcgg/kg).



Each syringe delivers 140 mg ivermectin, sufficient to treat 700 kg of bodyweight. The tip of the syringe barrel should be inserted at the interdental space (the gap between the front and back teeth). The horse's head should be raised for a few seconds after dosing.



Horses' weight should be accurately determined for the correct use of the paste. The animal's mouth should be free of food to ensure swallowing.



For best results all horses in a yard or grazing together should be included in a regular parasite control programme and treated at the same time.



All horses should be included in a regular parasite control programme, with particular attention being paid to mares, foals and yearlings.



Foals should be treated initially at 6-8 weeks of age and routine treatment repeated as appropriate. Re - treatment should be carried out according to the epidemiological situation, but not less than at a 30 day interval.



Do not use the same syringe to treat more than one animal unless horses are running together or in direct contact with each other on the same premises.




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This is very important, to ensure that that the dosage is correct, if in doubt, please weigh tape.
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Just to confirm that you are confident about the information you have given and will read the contra indications leaflet and manufacturers instructions before administering. Your horses are signed out of the food chain (otherwise there may be differing withdrawal periods) Our SQP is Jane Skinner QE6130, our VMD registration is 2038098, The Cider House, Ditcheat Hill, Ditcheat, Somerset BA4 6TL Jane is available to answer any query on 07912 438706 or [email protected] ALL our POM-VPS products are authorised for sale in UK.
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