Doramectin by Durvet, Inc. DORAMECTIN injection
Doramectin by
Drug Labeling and Warnings
Doramectin by is a Animal medication manufactured, distributed, or labeled by Durvet, Inc.. Drug facts, warnings, and ingredients follow.
Drug Details [pdf]
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PRODUCT DESCRIPTION:
Doramectin Injectable Solution is a ready-to-use, colorless to pale yellow, sterile solution containing 1% w/v doramectin (10 mg/mL). In cattle, Doramectin Injectable Solution is formulated to deliver the recommended dosage (200 mcg/kg of body weight) when given by subcutaneous (SC) or intramuscular (IM) injection at the rate of 1 mL/110 lb of body weight. In swine, Doramectin is formulated to deliver the recommended dosage (300 mcg/kg of body weight) when given by IM injection at the rate of 1 mL/75 lb of body weight.
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PRODUCT CHARACTERISTICS:
Doramectin Injectable Solution is a highly active, broad-spectrum parasiticide for parenteral administration to cattle and swine. It contains doramectin, a novel fermentation-derived macrocyclic lactone. Doramectin is isolated from fermentations of selected strains derived from the soil organism Streptomyces avermitilis.
A primary mode of action of macrocyclic lactones is to modulate chloride ion channel activity in the nervous system of nematodes and arthropods. Macrocyclic lactones bind to receptors that increase membrane permeability to chloride ions. This inhibits the electrical activity of nerve cells in nematodes and muscle cells in arthropods and causes paralysis and death of the parasites. In mammals, the neuronal receptors to which macrocyclic lactones bind are localized within the central nervous system (CNS), a site reached by only negligible concentrations of doramectin.
One dose of Doramectin Injectable Solution effectively treats and controls a wide range of roundworm and arthropod parasites that impair the health and productivity of cattle and swine.
Studies have demonstrated the safety margin of doramectin injection in cattle and swine. In USA trials, no toxic signs were seen in cattle given up to 25 times the recommended dose, or in swine given up to 10 times the recommended dose. Studies also demonstrated safety in neonatal calves and piglets treated with up to 3 times the recommended dose. In males (bulls and boars) and females (cows and sows during folliculogenesis, implantation, organogenesis, and through gestation), a dose 3 times the recommended dose had no effect on breeding performance.
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PRODUCT INDICATIONS:
Cattle: Doramectin Injectable Solution is indicated for the treatment and control of the following harmful species of gastrointestinal roundworms, lungworms, eyeworms, grubs (see PRECAUTIONS), sucking lice (see PRECAUTIONS), and mange mites. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.
Gastrointestinal Roundworms Lungworms (adults and fourth stage larvae) (adults and fourth stage larvae) Dictyocaulus viviparus Ostertagia ostertagi
(including inhibited larvae)
Eyeworms (adults) O. lyrata Thelazia spp. Haemonchus placei Grubs (parasitic stages) Trichostrongylus axei Hypoderma bovis T. colubriformis H. lineatum T. longispicularis1 Sucking Lice Cooperia oncophora Haematopinus eurysternus C. pectinata1 Linognathus vituli C. punctata Solenopotes capillatus C. surnabada (syn. mcmasteri) Mange Mites Bunostomum phlebotomum1 Psoroptes bovis Strongyloides papillosus1 Sarcoptes scabiei Oesophagostomum radiatum
Trichuris spp.1
1adults Doramectin Injectable Solution has been proved to effectively control infections and to protect cattle from reinfection with Cooperia oncophora and Haemonchus placei for 14 days, Ostertagia ostertagi for 21 days, and C. punctata, Oesophagostomum radiatum, and Dictyocaulus viviparus for 28 days after treatment.
Swine: Doramectin Injectable Solution is indicated for the treatment and control of the following species of gastrointestinal roundworms, lungworms, kidney worms, sucking lice (see PRECAUTIONS), and mange mites. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.
Gastrointestinal Roundworms
(adults and fourth stage larvae)Ascaris suum
Oesophagostomum dentatum
Oesophagostomum quadrispinulatum1
Strongyloides ransomi1
Hyostrongylus rubidus1
1adults
Lungworms (adults)
Metastrongylus spp.
Kidney Worms (adults)
Stephanurus dentatus
Mange Mites (adults and immature stages)
Sarcoptes scabiei var. suis
Sucking Lice (adults and immature stages)
Haematopinus suis -
DOSAGE:
Cattle: Administer Doramectin Injectable Solution at the recommended dosage of 200 mcg doramectin per kg (91 mcg/lb) of body weight. Each mL of doramectin contains 10 mg of doramectin, 2.5 mg of phenol, and 215 mg of ethyl oleate in a sesame oil vehicle, sufficient to treat 110 lb (50 kg) of body weight.
Body Weight (lb) Dose (mL) 110 1 220 2 330 3 440 4 550 5 660 6 770 7 880 8 990 9 1,100 10 Swine: Administer Doramectin Injectable Solution at the recommended dosage of 300 mcg doramectin per kg (136 mcg/lb) of body weight. Each mL of doramectin contains 10 mg of doramectin, 2.5 mg of phenol, and 215 mg of ethyl oleate in a sesame oil vehicle, sufficient to treat 75 lb (34 kg) of body weight.
Body Weight (lb) Dose (mL) 15 0.2 30 0.4 45 0.6 60 0.8 75 1.0 150 2.0 225 3.0 300 4.0 375 5.0 450 6.0 Do not underdose. Ensure each animal receives a complete dose based on a current body weight. Underdosing may result in ineffective treatment, and encourage the development of parasite resistance.
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RECOMMENDED TREATMENT PROGRAM FOR SWINE:
To effectively initiate control of mange and sucking lice in swine, it is important to treat all animals in the herd. After initial treatment, use Doramectin Injectable Solution regularly as follows:
Breeding Animals:
Sows: Treat 7–14 days prior to farrowing to minimize exposure of piglets to mites and sucking lice.
Gilts: Treat 7–14 days prior to breeding. Treat 7–14 days prior to farrowing.
Boars: Treat a minimum of 2 times per year.
Feeder Pigs: Treat any new feeder pigs upon arrival at farm or before placement in clean quarters.
Weaners, Growers, Finishers: Weaners and grow-out/finisher pigs should be treated before placement in clean quarters.
For effective mange elimination, care must be taken to prevent reinfestation from exposure to untreated animals or contaminated facilities.
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WARNINGS:
Not for human use. Keep out of reach of children. To report suspected adverse drug events, for technical assistance or to obtain a copy of the Safety Data Sheet, contact Durvet, lnc. at 1-800-821-5570.
For additional information about adverse drug experience reporting for animal drugs, contact FDA at 1-888-FDA-VETS or online at www.fda.gov/reportanimalae
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OTHER WARNINGS:
Parasite resistance may develop to any dewormer, and has been reported for most classes of dewormers. Treatment with a dewormer used in conjunction with parasite management practices appropriate to the geographic area and the animal(s) to be treated may slow the development of parasite resistance. Fecal examinations or other diagnostic tests and parasite management history should be used to determine if the product is appropriate for the herd prior to the use of any dewormer. Following the use of any dewormer, effectiveness of treatment should be monitored (for example, with the use of a fecal egg count reduction test or another appropriate method). A decrease in a drug’s effectiveness over time as calculated by fecal egg count reduction tests may indicate the development of resistance to the dewormer administered. Your parasite management plan should be adjusted accordingly based on regular monitoring.
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RESIDUE WARNINGS:
Cattle: Do not slaughter for human consumption within 35 days of treatment. Not for use in female dairy cattle 20 months of age or older. A withdrawal period has not been established for this product in preruminating calves. Do not use in calves to be processed for veal. Swine: Do not slaughter for human consumption within 24 days of treatment.
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PRECAUTIONS:
Doramection Injectable Solution has been developed specifically for use in cattle and swine only. This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result.
For SC injection in cattle only. For IM injection in swine and cattle. This product is approved for the treatment and control of sucking lice. For treatment of biting lice in cattle, use of doramectin topical solution is recommended.
Doramectin Injectable Solution is highly effective against all stages of cattle grubs. However, proper timing of treatment is important. For most effective results, cattle should be treated as soon as possible after the end of the heel fly (warble) season.
Destruction of Hypoderma larvae (cattle grubs) at the period when these grubs are in vital areas may cause undesirable host-parasite reactions including the possibility of fatalities. Killing H. lineatum when it is in the tissue surrounding the gullet may cause bloat; Killing H. bovis when it is in the vertebral canal may cause staggering or paralysis. These reactions are not specific to treatment with Doramectin Injectable Solution, but can occur with any successful treatment of grubs. Cattle should be treated either before or after these stages of grub development. Consult your veterinarian concerning the proper time for treatment.
Cattle treated with Doramectin Injectable Solution after the end of the heel fly season may be re-treated with Doramectin Injectable Solution during the winter for internal parasites, mange mites, or sucking lice, without danger of grub-related reactions. A planned parasite control program is recommended.
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ENVIRONMENTAL SAFETY:
Studies indicate that when doramectin comes in contact with the soil, it readily and tightly binds to the soil and becomes inactive over time. Free doramectin may adversely affect fish and certain aquatic organisms. Do not permit water runoff from feedlots to enter streams or ponds. Do not contaminate water by direct application or by the improper disposal of drug containers. Dispose of containers in an approved landfill or by incineration.
As with other avermectins, doramectin is excreted in the dung of treated animals and can inhibit the reproduction and growth of pest and beneficial insects that use dung as a source of food and for reproduction. The magnitude and duration of such effects are species and life-cycle specific. When used according to label directions, the product is not expected to have an adverse impact on populations of dung-dependent insects.
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STORAGE CONDITIONS
Store at 20°C to 25°C (68°F to 77°F), excursions permitted between 15°C and 30°C (between 59°F and 86°F). Use this product within 90 days of the first puncture and maximum allowable punctures are given in the below table.
If more than the maximum number of punctures is anticipated, the use of multi-dosing equipment is recommended. When using a draw-off spike or needle with bore diameter larger that 16-guage, discard any product remaining in the vial immediately after use.
Fill Volume Allowable Punctures 100 mL 28 250 mL 70 500 mL 141 -
HOW SUPPLIED:
Doramectin Injectable Solution is available in 100-mL, 250-mL, and 500-mL multi-dose, rubber-stoppered glass vials.
Approved by FDA under ANADA # 200-750
Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.
Not for human use.
Restricted Drug (CA) Use only as directed.
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INGREDIENTS AND APPEARANCE
DORAMECTIN
doramectin injectionProduct Information Product Type OTC ANIMAL DRUG Item Code (Source) NDC: 30798-545 Route of Administration INTRAMUSCULAR, SUBCUTANEOUS Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength DORAMECTIN (UNII: KGD7A54H5P) (DORAMECTIN - UNII:KGD7A54H5P) DORAMECTIN 10 mg in 1 mL Product Characteristics Color yellow Score Shape Size Flavor Imprint Code Contains Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC: 30798-545-10 1 in 1 CARTON 1 100 mL in 1 VIAL, MULTI-DOSE 2 NDC: 30798-545-13 1 in 1 CARTON 2 250 mL in 1 VIAL, MULTI-DOSE 3 NDC: 30798-545-17 1 in 1 CARTON 3 500 mL in 1 VIAL, MULTI-DOSE Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANADA ANADA200750 08/08/2024 Labeler - Durvet, Inc. (056387798)
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