Milbemax for dogs between 5-25 kg 2 chewable tablets
Treatment of mixed infections by immature and adult cestodes and nematodes in dogs / Antiparasitic
MILBEMAX chewable tablets for dogs
2. QUALITATIVE AND QUANTITATIVE COMPOSITION OF MILBEMAX
One chewable tablet contains:
Milbemycin oxime 12.5 mg
Praziquantel 125.0 mg
Glycerol (E422) 460.46 mg
Propylene glycol (E 1520) 4.54 mg
Iron oxide, brown (E 172) 3.29 mg
Butylhydroxyanisole (E 320) 1.32 mg
Propyl gallate (E 310) 0.46 mg
For the full list of excipients, see section 6.1.
3. PHARMACEUTICAL FORM OF MILBEMAX
Oval shaped, dark brown.
4. CLINICAL PARTICULARS OF MILBEMAX
4.1 Target species
4.2 Indications for use, specifying the target species
In dogs : treatment of mixed infections by adult cestodes and nematodes of the following species:
Angiostrongylus vasorum (Reduction of the level of infection by immature adult (L5) and adult parasite stages) (see specific treatment and disease prevention schedules under section 4.9 “Amounts to be administered and administration route”)
Thelazia callipaeda (see specific treatment schedule under section 4.9 “Amounts to be administered and administration route”)
The product can also be used in the prevention of heartworm disease (Dirofilaria immitis), if concomitant treatment against cestodes is indicated.
Do not use in dogs weighing less than 5 kg.
Do not use in case of hypersensitivity to the active substances or to any of excipients.
See also section 4.5 "Special precautions for use".
4.4 Special warnings for each target species
4.5 Special precautions for use
Special precautions for use in animals
Studies with milbemycin oxime indicate that the margin of safety in certain dogs of Collie or related breeds is less than in other breeds. In these dogs, the recommended dose should be strictly observed.
The tolerance of the product in young puppies from these breeds has not been investigated. Clinical signs in Collies are similar to those seen in the general dog population when overdosed (see section 4.10 “Overdose”).
Treatment of dogs with a high number of circulating microfilariae can sometimes lead to the appearance of hypersensitivity reactions, such as pale mucous membranes, vomiting, trembling, laboured breathing or excessive salivation. These reactions are associated with the release of proteins from dead or dying microfilariae and are not a direct toxic effect of the product. The use in dogs suffering from microfilaremia is thus not recommended.
In heartworm risk-areas, or in the case it is known that a dog has been travelling to and from heartworm risk regions, before using the product, a veterinary consultation is advised to exclude the presence of any concurrent infestation of Dirofilaria immitis. In the case of a positive diagnosis, adulticidal therapy is indicated before administering the product.
No studies have been performed with severely debilitated dogs or individuals with seriously compromised kidney or liver function. The product is not recommended for such animals or only according to a benefit/risk assessment by the responsible veterinarian.
In dogs less than 4 weeks old, tape worm infection is unusual. Treatment of animals less than 4 weeks old with a combination product may therefore not be necessary.
Parasite resistance to any particular class of anthelmintic may develop following frequent, repeated use of an anthelmintic of that class.
Special precautions to be taken by the person administering the veterinary medicinal product to animals
Wash hands after use.
People with known hypersensivity to any of the ingredients should avoid contact with the veterinary medicinal product.
In case of accidental ingestion of the tablets, particularly by a child, seek medical advice immediately and show the package leaflet or the label to the doctor.
Echinococcosis represents a hazard for humans. In case of Echinococcosis, specific guidelines on the treatment and follow up and on the safeguard of persons have to be followed. Experts or institutes of parasitology should be consulted.
4.6 Adverse reactions (frequency and seriousness)
In very rare occasions, systemic signs (such as lethargy), neurological signs (such as muscle tremors, ataxia and convulsions) and/or gastrointestinal signs (such as emesis, drooling, diarrhoea and anorexia) have been observed in dogs after administration of the veterinary medicinal product.
The frequency of possible adverse effects is defined using the following convention:
very common (affects more than 1 animal in 10)
common (affects 1 to 10 animals in 100)
uncommon (affects 1 to 10 animals in 1,000)
rare (affects 1 to 10 animals in 10,000)
very rare (affects less than 1 animals in 10,000)
not known (frequency cannot be estimated from the available data)
4.7 Use during pregnancy, lactation or lay
The safety of the veterinary medicinal product has been established during pregnancy and lactation.
Can be used in pregnant and lactating bitches.
Can be used in breeding animals.
4.8 Interaction with other medicinal products and other forms of interaction
No interactions were observed when the recommended dose of the macrocyclic lactone selamectin was administered during treatment with the product at the recommended dose.
Although not recommended, the concomitant use of the product with a spot on containing moxidectin and imidacloprid at recommended dose rates following a single application was well tolerated in one experimental study by beagle dogs at the age 11 months or older. Transient neurological adverse reactions (poor proprioception, flaccid frontal and hind legs, incoordination, slight tremors and high stepping gait of the hind limbs only) were observed after administration of both products or of the spot-on only in another study conducted in puppies aged 8-12 weeks.
The safety and efficacy of this combination have not been investigated in field studies.
In the absence of further studies, caution should be taken in the case of concurrent use of MILBEMAX and any other macrocyclic lactone. Also, no such studies have been performed with reproducing animals, Collies, related breeds and their crosses.
4.9 Amounts to be administered and administration route
Minimum recommended dose rate: 0.5 mg of milbemycin oxime and 5 mg of praziquantel per kg are given once orally. The product should be administered with or after some food.
Depending on the bodyweight of the dog, the practical dosing is as follows:
Weight: Number of Tablet
5 – 25 kg: 1 tablet
> 25 - 50 kg: 2 tablets
> 50 - 75 kg: 3 tablets
To ensure a correct dosage, body weight should be determined as accurately as possible to avoid under dosing.
In cases when heartworm disease prevention is used and at the same time treatment against tapeworm is required, the product can replace the monovalent product for the prevention of heartworm disease.
For treatment of Angiostrongylus vasorum infections, milbemycin oxime should be given four times at weekly intervals. It is recommended, where concomitant treatment against cestodes is indicated, to treat once with the product and continue with the monovalent product containing milbemycin oxime alone, for the remaining three weekly treatments.
In endemic areas administration of the product every four weeks will prevent angiostrongylosis by reducing immature adult (L5) and adult parasite burden, where concomitant treatment against cestodes is indicated.
For the treatment of Thelazia callipaeda, milbemcyin oxime should be given in 2 treatments, seven days apart. Where concomitant treatment against cestodes is indicated, the product can replace the monovalent product containing milbemycin oxime alone.
4.10 Overdose (symptoms, emergency procedures, antidotes), if necessary
The adverse reactions observed are the same as those observed at the recommended dose (see section 4.6 “Adverse reactions (frequency and seriousness)”) but more pronounced.
4.11 Withdrawal period(s)
5. PHARMACOLOGICAL PROPERTIES OF MILBEMAX
Pharmacotherapeutic group: Endectocides
ATCvet Code : QP54A B51 (milbemycin oxime, combinations)
5.1 Pharmacodynamic properties
Milbemycin oxime belongs to the group of macrocyclic lactones, isolated from the fermentation of Streptomyces hygroscopicus var. aureolacrimosus. It is active against mites, against larval and adult stages of nematodes as well as against larvae of Dirofilaria immitis.
The activity of milbemycin is related to its action on invertebrate neurotransmission: Milbemycin oxime, like avermectins and other milbemycins, increases nematode and insect membrane permeability to chloride ions via glutamate-gated chloride ion channels (related to vertebrate GABAA and glycine receptors). This leads to hyperpolarisation of the neuromuscular membrane and flaccid paralysis and death of the parasite.
Praziquantel is an acylated pyrazino-isoquinoline derivative. Praziquantel is active against cestodes and trematodes. It modifies the permeability for calcium (influx of Ca2+) in the membranes of the parasite inducing an imbalance in the membrane structures, leading to membrane depolarisation and almost instantaneous contraction of the musculature (tetany), rapid vacuolization of the syncytial tegument and subsequent tegumental disintegration (blebbing), resulting in easier expulsion from the gastrointestinal tract or death of the parasite.
5.2 Pharmacokinetic particulars
After oral administration of praziquantel in the dog, peak serum levels of parent are rapidly attained (Tmax approximately 0.5-4 hours) and decline quickly (t1/2 approximately 1.5 hours). There is a substantial hepatic first-pass effect, with very rapid and almost complete hepatic biotransformation, principally to monohydroxylated (also some di- and tri-hydroxylated) derivatives, which are mostly glucuronide and/or sulfate conjugated before excretion. Plasma binding is about 80%. Excretion is fast and complete (about 90% in 2 days); the principal route of elimination is renal.
After oral administration of milbemycin oxime in dogs, peak plasma levels occur at about 2-4 hours, and decline with a half-life of the unmetabolised milbemycin oxime of 1-4 days. Bioavailability is about 80%.
In the rat, metabolism appears to be complete although slow, since unchanged milbemycin oxime has not been found in urine or faeces. Main metabolites in the rat are monohydroxylated derivatives, attributable to hepatic biotransformation. In addition to relatively high liver concentrations, there is some concentration in fat, reflecting its lipophilicity.
6. PHARMACEUTICAL PARTICULARS OF MILBEMAX
6.1 List of excipients
Propylene glycol (E 1520)
Iron oxide, brown (E 172)
Butylhydroxyanisole (E 320)
Propyl gallate (E 310)
Natural chicken flavour
Confectioner’s sugar NF
Citric acid monohydrate
6.3 Shelf life
Shelf-life of the veterinary medicinal product as packaged for sale: 2 years.
6.4. Special precautions for storage
Do not store above 25 °C.