Ivomec Super injection is a broad spectrum anti parasitic for cattle. It is used for the treatment and control of gastro-intestinal nematodes, lungworms, adult liver fluke, eyeworms, warbles, mites and lice in beef and non lactating dairy cattle.
Active Ingredient:Ivermectin, Clorsulan
Target Species: Cattle
Treats and Controls: Gastro-intestinal roundworms, lungworms, adult liver fluke, eyeworms, warbles, mites and lice
Administration Method: Subcutaneous injection (under the skin)
Withdrawal Time: 66 days for animals intended for meat and offal, Not permitted for use on animals producing milk for human consumption.
Dosage: 1 ml per 50 kg of bodyweight
|Body Weight||Dose Volume||Number of full doses per pack:|
Always read the label and all enclosed information for Ivomec Super Injection before administering to animals!
When cattle have to graze on pasture contaminated with infective larvae of cattle nematodes, treatment with Ivomec Super Injection for Cattle at the recommended dose rate can control re-infection with Haemonchus placei and Cooperia spp., acquired up to 14 days after treatment, Ostertagia ostertagi and Oesophagostomum radiatum acquired up to 21 days after treatment and Dictyocaulus viviparus acquired up to 28 days after treatment.
To obtain optimal benefit from the persistent activity of Ivomec Super Injection for Cattle in grazing animals, it is recommended that calves which are set-stocked in the first grazing season should be treated 3, 8 and 13 weeks after the day of turn-out. This can protect the animals from parasitic gastro-enteritis and lungworm disease throughout the grazing season, provided they are set-stocked, all the calves are included in the programme and that no untreated cattle are added to the pasture. Treated animals should always be monitored according to good husbandry practices.
This product is only licensed for sale within the Republic of Ireland
Summary of Product Characteristics
1 NAME OF THE VETERINARY MEDICINAL PRODUCT
Ivomec Super Injection for Cattle
2 QUALITATIVE AND QUANTITATIVE COMPOSITION
For a full list of excipients, see section 6.1.
3 PHARMACEUTICAL FORM
Solution for injection.
4 CLINICAL PARTICULARS
4.1 Target Species
Each ml contains:
Ivermectin 10 mg
Clorsulon 100 mg
Irish Medicines Board
4.2 Indications for use, specifying the target species
Ivomec Super Injection for Cattle is indicated for the treatment and control of the following parasites:
Gastrointestinal roundworms (adult and fourth-stage larvae):
Ostertagia spp. (including inhibited O. ostertagi)
Strongyloides papillosus (adult only)
Nematodirus helvetianus (adult only)
N. spathiger (adult only)
Trichuris spp. (adult only)
Lungworms (adult and fourth-stage larvae):
Liver fluke (adult)
Eye worms (adult)
Warbles (parasitic stages):
Mange mites :
Sarcoptes scabiei var. bovis
Sucking lice :
Ivomec Super Injection for Cattle may also be used as an aid in the control of biting lice (Damalinia bovis) and the
mange mite Chorioptes bovis, but complete elimination may not occur.
When cattle have to graze on pasture contaminated with infective larvae of cattle nematodes, treatment with Ivomec
Super Injection for Cattle at the recommended dose rate can control re-infection with Haemonchus placei and Cooperia
spp., acquired up to 14 days after treatment, Ostertagia ostertagi and Oesophagostomum radiatum acquired up to 21
days after treatment and Dictyocaulus viviparus acquired up to 28 days after treatment.
To obtain optimal benefit from the persistent activity of Ivomec Super Injection for Cattle in grazing animals, it is
recommended that calves which are set-stocked in the first grazing season should be treated 3, 8 and 13 weeks after the
day of turn-out. This can protect the animals from parasitic gastro-enteritis and lungworm disease throughout the
grazing season, provided they are set-stocked, all the calves are included in the programme and that no untreated cattle
are added to the pasture. Treated animals should always be monitored according to good husbandry practices.
Irish Medicines Board
This product is not to be used intramuscularly or intravenously.
This product is registered for use in cattle only. Do not use in other species as severe adverse reactions, including
fatalities, may occur.
Do not use in animals with known hypersensitivity to the active ingredients.
4.4 Special warnings for each target species
Details provided above apply. See also points 4.2, 4.3 and 4.5.
Care should be taken to avoid the following practices because they increase the risk of development of resistance and
could ultimately result in ineffective therapy:
- Too frequent and repeated use of anthelmintics from the same class, over an extended period of time.
- Underdosing, which may be due to underestimation of body weight, misadministration of the product, or lack of
calibration of the dosing device.
Suspected clinical cases of resistance to anthelmintics should be further investigated using appropriate tests (e.g. Faecal
Egg Count Reduction Test). Where the results of the test(s) strongly suggest resistance to a particular anthelmintic, an
anthelmintic belonging to another pharmacological class and having a different mode of action should be used.
4.5 Special precautions for use
Special precautions for use in animals
Divide doses in excess of 10 ml between different injection sites and use different sites to those used for other
Swab septum before removing each dose.
Use dry sterile needle and syringe.
When using the 200 ml and 500 ml pack sizes, use only automatic syringe equipment.
For the 50 ml pack size, the use of a multidose syringe is recommended.
Special precautions to be taken by the person administering the veterinary medicinal product to animals
Do not smoke or eat while handling the product.
Wash hands after use.
Take care to avoid self-administration; the product may cause local irritation and/or pain at the site of injection.
4.6 Adverse reactions (frequency and seriousness)
Transitory discomfort has been observed in some cattle following subcutaneous administration. A low incidence of
soft tissue swelling at the injection site has been observed. These reactions disappeared without treatment.
4.7 Use during pregnancy, lactation or lay
Ivomec Super Injection for Cattle is safe for use at any stage of pregnancy or lactation. However, the product is not
permitted for use in animals producing milk for human consumption, including pregnant animals intended to produce
milk for human consumption. Ivomec Super Injection for Cattle will not affect the fertility of cows and bulls and can be
given to all ages of animals including young calves.
Irish Medicines Board
4.8 Interaction with other medicinal products and other forms of interaction
No interactions have been identified with other products.
4.9 Amounts to be administered and administration route
Ivomec Super Injection for Cattle should be given only by subcutaneous injection at the recommended dosage level of
1 ml/50 kg bodyweight (based on a dosage level of 200 mcg ivermectin plus 2 mg clorsulon per kg bodyweight) under
the loose skin in front of, or behind, the shoulder. Divide doses greater than 10 ml between two injection sites. To
ensure administration of a correct dose, body weight should be determined as accurately as possible; accuracy of the
dosing device should be checked.
A sterile 17 gauge ½ inch (15-20mm) needle is recommended. Replace with a fresh sterile needle after every 10-12
animals or sooner if the needle becomes soiled. When the temperature of the product is below 5oC, difficulty in
administration may be encountered due to increased viscosity. Warming the product and injection equipment to about
15oC will greatly increase the ease with which the product can be injected. Different injection sites should be used for
other parenteral products.
4.10 Overdose (symptoms, emergency procedures, antidotes), if necessary
The administration of 25 ml Ivomec Super Injection for Cattle per 50 kg bodyweight (25 x the use level) resulted in
injection site lesion (including tissue necrosis, oedema, fibrosis and inflammation). No other drug-related adverse
reactions could be determined.
Cattle intended for human consumption may not be slaughtered until 66 days after the last treatment.
Not permitted for use in animals producing milk for human consumption, including pregnant animals intended to
produce milk for human consumption.
5 PHARMACOLOGICAL or IMMUNOLOGICAL PROPERTIES
Pharmacotherapeutic group: Endectocides
ATCvet code: QP54AA51
5.1 Pharmacodynamic properties
Ivermectin is a member of the macrocyclic lactone class of endectocides which have a unique mode of action.
Compounds of the class bind selectively and with high affinity to glutamate-gated chloride ion channels which occur in
invertebrate nerve and muscle cells. This leads to an increase in the permeability of the cell membrane to chloride ions
with hyperpolarization of the nerve or muscle cell, resulting in paralysis and death of the parasite. Compounds of this
class may also interact with other ligand-gated chloride channels, such as those gated by the neurotransmitter gammaaminobutyric
The margin of safety for compounds of this class is attributable to the fact that mammals do not have glutamate-gated
chloride channels, the macrocyclic lactones have a low affinity for other mammalian ligand-gated chloride channels
and they do not readily cross the blood-brain barrier.
Clorsulon is rapidly absorbed into the circulating blood. Erythrocytes with bound drug as well as plasma are ingested
by Fasciola spp.. Adult Fasciola spp. are killed by clorsulon because of inhibition of enzymes in the glycolytic
pathway, which is their primary source of energy.
Irish Medicines Board
5.2 Pharmacokinetic properties
Maximum plasma concentration
After subcutaneous administration of 2 mg clorsulon and 0.2 mg ivermectin per kg bodyweight, the plasma profile
demonstrated the slow, steady absorption of ivermectin with peak plasma levels averaging 23 ng/ml around day 7 post
dose. In contrast, clorsulon appeared rapidly absorbed since the first sampling point, 8 hours post dose, had the highest
average residues, approximately 2 μg/ml.
Excretion: length of time and route
A dose rate of 2 mg clorsulon and 0.2 mg ivermectin per kg bodyweight was administered by subcutaneous injection.
For ivermectin, liver had the highest average residues, peaking on day 7 post dose at an average of 220 ppb. Depletion
followed so that by days 28 and 35 the liver residues were 11 and 6 ppb respectively. Fat residues also peaked on day 7
at an average of 160 ppb. They decreased to 6 and 4 ppb by days 28 and 35. Muscle and kidney residues were
negligible at 1 and 2 ppb respectively by day 28.
For clorsulon, kidney had the highest average residues of 0.54 ppm (540 ppb) on day 3 post dose. At the same time,
liver averaged 0.20 ppm, muscle averaged 0.06 ppm and fat averaged 0.02 ppm. Rapid depletion followed, resulting in
average residues at or below the detection limit of 0.01 ppm by day 21 for all tissues.
In cattle receiving a single dose of tritium-labelled ivermectin (0.2-0.3 mg/kg bodyweight), analyses show that
composites of faeces collected during the first 7 days after dosing contained almost all the dosed radioactivity, only
about 1-2% being excreted in the urine. Analyses of the faeces showed that about 40-50% of the excreted radioactivity
was present as unaltered drug. The remaining 50-60% was present as metabolites or degradation products, almost all of
which were more polar than the ivermectin.
During the first 7 days following intrarumen administration of 7 mg/kg clorsulon to a 270 kg steer, about 90% of the
radiolabel in an administered dose was found in both the urine (25%) and the faeces (65%).
6 PHARMACEUTICAL PARTICULARS
6.1 List of excipients
In the absence of compatability studies, this veterinary medicinal product must not be mixed with other veterinary
Shelf-life of the veterinary medicinal product as packaged for sale: 5 years
Shelf-life after first opening the immediate packaging: 3 months
6.4 Special precautions for storage
Protect from direct sunlight. Do not store above 250C.
6.5 Nature and composition of immediate packaging
Multiple-dose rubber-capped polyethylene bottles of 50 ml, 200 ml and 500 ml containing a sterile non-aqueous
solution. Not all pack sizes may be marketed.
Irish Medicines Board
6.6 Special precautions for the disposal of unused veterinary medicinal products or waste materials
Studies indicate that when ivermectin comes in contact with the soil, it readily and tightly binds to the soil and becomes
inactive. Any unused veterinary medicinal product or waste materials derived from such veterinary medicinal product
should be disposed of in accordance with local requirements. Do not contaminate lakes or streams as free ivermectin
may adversely affect fish and certain water-borne organisms.
7 MARKETING AUTHORISATION HOLDER
Merial Animal Health Limited
Harlow Business Park
8 MARKETING AUTHORISATION NUMBER(S)
9 DATE OF THE FIRST AUTHORISATION/RENEWAL OF THE AUTHORISATION
30th September 2009
10 DATE OF REVISION OF THE TEXT
5th May 2010
Irish Medicines Board
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