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Selarid™ (selamectin) Topical Parasiticide for Cats and Dogs from Norbrook® — an affordable monthly topical prevention option for heart worm disease, flea infestations and more. With the same active ingredient as Revolution® Topical Solution, Selarid™ offers parasite control that’s comparable to the pioneer product at an affordable price.
Selarid is recommended for use in dogs six weeks of age or older and cats eight weeks of age and older for the following parasites and indications:
Dogs: Selarid kills adult fleas and prevents flea eggs from hatching for one month and is indicated for the prevention and control of flea infestations (Ctenocephalides felis), prevention of heart worm disease caused by Dirofilaria immitis, and the treatment and control of ear mite (Otodectes cynotis) infestations. Selarid also is indicated for the treatment and control of sarcoptic mange (Sarcoptes scabiei) and for the control of tick infestations due to Dermacentor variabilis.
Cats: Selarid kills adult fleas and prevents flea eggs from hatching for one month and is indicated for the prevention and control of flea infestations (Ctenocephalides felis), prevention of heart worm disease caused by Dirofilaria immitis, and the treatment and control of ear mite (Otodectes cynotis) indestations, Selarid is also indicated for the treatment and control of roundworm Toxocara cati) and intestinal hookworm (Ancylostoma tubaeforme) infections in cats.
Norbrook Laboratories Limited
If you forget to apply a monthly dose of Selarid, immediately apply Selarid, resume monthly applications, and notify your veterinarian.
Contact your veterinarian if you administer more than the prescribed amount of Selarid.
Yes, Bathing or shampooing the dog 2 or more hours after treatment will not reduce the effectiveness of Selarid against fleas or heartworm.
Like all medicines, Selarid has some side effects. The most common is hair loss at the site of application with or without inflammation (redness, flaking) in cats. Other side effects reported in cats and dogs include vomiting, diarrhea with or without blood, anorexia (decreased appetite), lethargy (sluggishness), salivation, rapid breathing, pruritus (itching), urticaria (welts, hives), erthema (skin redness), ataxia (in coordination), fever and rare instances of death. There have also been rare reports of seizures in dogs. If you have additional questions about possible side effects, talk to your veterinarian.
Selarid is flammable - Keep away from heat, sparks, open flames or other sources of ignition. Store below 86°F (30°C). After application, empty applicators can be placed in your normal household refuse for disposal.
Selarid not for use in humans. Selarid should be kept out of reach of children. In humans, Selarid may be irritating to skin and eyes. Reactions such as hives, itching and skin redness have been reported in humans in rare instances. Individuals with known hypersensitivity to Selarid should use the product with caution or consult a health care professional. Selarid contains isopropyl alcohol and the preservative butylated hydroxytoluene (BHT). Wash hands after use and wash off any product in contact with the skin immediately with soap and water. In case of human ingestion contact a doctor immediately.
The recommended minimum dose is 2.7mg selamectin per pound (6 mg/kg) of body weight.
Administer the entire contents of a single dose applicator (or two applicators used in combination for dogs weighing over 130 pounds) of Selarid topically in accordance with the following tables. (see Application for the recommended treatment intervals.)

For cats over 22 lbs use the appropriate combination of applicators
For dogs over 130 lbs use the appropriate combination of applicators. Recommended for use in dogs 6 weeks of age and older and in cats 8 weeks of age and older.
A veterinarian or veterinary technician should demonstrate or instruct the pet owner regarding the appropriate technique for applying Selarid topically to dogs and cats prior to first use. Remove the applicator from the outer pouch using scissors or fold along diagonal line to expose nick, tear back at nick. Hold the applicator upright. Tap the narrow part of the applicator to ensure the contents remain within the main body of the applicator. Twist or snap back the top. To administer the product, part the hair on the back of the animal at the base of the neck in front of the shoulder blades until the skin is visible. Place the top of the applicator on the skin and squeeze the applicator 3 or 4 times to empty its entire contents directly onto the skin in one spot. Keeping the applicator squeezed, drag it away from the liquid and lift to remove. Check the applicator to ensure that it is empty. Do not massage the product into the skin. Due to alcohol content, do not apply to broken skin. Avoid contact between the product and fingers. Do not apply when the hair coat is wet. Bathing or shampooing the dog 2 or more hours after treatment will not reduce the effectiveness of Selarid against fleas or heartworm. Bathing or shampooing the cat 2 hours after the treatment will not reduce the effectiveness of Selarid against fleas. Bathing or shampooing the cat 24 hours after treatment will not reduce the effectiveness of Selarid against heartworm. Stiff hair, clumping of hair, hair discoloration, or a slight powdery residue may be observed at the treatment site in some animals. these effects are temporary and do not affect the safety or effectiveness of the product. Discard empty applicators in your ordinary household refuse.
| How should Selarid be applied? | |
|---|---|
| Remove the applicator from the oter pouch using scissors or fold along diagonal line expose nick; tear back at nicl. | ![]() |
| Hold the applicator upright. Tap the narrow part of the applicator to ensure the contents remain within the main body of the applicator. Twist or snap back the tip. | ![]() |
| Part the hair on the back of the animal at the base of the neck , in front of the shoulder baldes, until the skin is visible. | ![]() |
| Apply the tip of the Selarid applicator directly to the skin. Squeeze the applicator firmly 3-4 times in one spot until empty. Keep applicator compressed on the final squeeze to avoid drawing liquid back into applicator. Avoid contact between Selarid and your fingers. | ![]() |
| While keeping applicator squeezed, drag it away from liquid and lift up to remove. | |
| Ensure applicator is empty | |
Do not massage Selarid into the skin.
Do not apply when the hair coat is wet.
Do not apply to broken skin - Selarid contains alcohol.
Stiff hair clumping of hair, hair discoloration, or a slight powdery residue may be observed at the site in some animals. These effects are usually temporary and do not affect the safety or effectiveness of the product.
The content of each applicator is formulated to provide a minimum of 2.7 mg/lb (6 mg/kg) of body weight of selamectin. The chemical composition of selamectin is (5Z,25S)-25-cyclohexyl-4′-O -de(2,6-dideoxy-3-O -methyl-α-L-arabino -hexopyranosyl) -5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-5-hydroxyiminoavermectin A1a .
Selarid™ (selamectin) Topical Parasiticide for Cats and Dogs from Norbrook® — an affordable monthly topical prevention option for heart worm disease, flea infestations and more. With the same active ingredient as Revolution® Topical Solution, Selarid™ offers parasite control that’s comparable to the pioneer product at an affordable price.
Simparica Trio Chewable Tablets for Dogs prevents heartworms. Treats aand controls ticks (lone star ticks, black legged ticks, gulf coast ticks, american dog ticks, brown dog ticks). Treats and prevents flea infestations. Treats and controls roundworms, and adult hookworm infections.
NexGard Plus (afoxolaner, moxidectin, and pyrantel chewable tablets) is the one you want for complete monthly parasite protection for your dog. It protects your dog from fleas and ticks, PLUS heartworm disease, roundworms, and hookworms – all in a delicious, beef-flavored, soft chew. NexGard Plus chews are safe and approved for puppies as young as 8 weeks old.
Bravecto is the first oral chew to provide up to 12 weeks of protection against fleas and ticks. One chew provides broad-spectrum and long-lasting protection that starts to kill fleas within 2 hours and controls 4 tick species (black-legged tick, American dog tick, brown dog tick, and lone star tick). Bravecto eliminates current flea infestations & prevents new ones from developing for 12 weeks.
Revolution Plus for Cats is indicated for the prevention of heartworm disease caused by Dirofilaria immitis. It kills adult fleas (Ctenocephalides felis) and is indicated for the treatment and prevention of flea infestations, the treatment and control of tick infestation.
Protecting your dog from harmful fleas and ticks has never been so easy! NexGard keeps your pet protected from adult fleas by killing them before they have a chance to lay eggs, which reduces the possibility of a flea infestation. Plus, it kills 3 types of ticks (the American dog tick, the black-legged (Deer) tick and the Lone Star tick).
Revolution is a safe and simple monthly topical medication used to protect your pet from heartworms, fleas, and ear mites. It also protects dogs from ticks and sarcoptic mange and cats from roundworms and hookworms. Revolution for Dogs and Cats requires a prescription from your veterinarian.
Advantage Multi for is a once a month topical application that contains a combination of the insecticide (imidacloprid) and the parasiticide (moxidectin). Advantage Multi for Dogs is used for the prevention of heartworm and the treatment and control of flea infestations, hookworms, roundworms and whipworms. Advantage Multi requires a prescription from your veterinarian.
Simplify your dog's heartworm and flea protection with Sentinel Spectrum, the only beef-flavored chewable to protect against 6 parasites. It is given monthly. Each chew also treats and controls whipworms, hookworms, roundworms and tapeworms. Sentinel Spectrum requires a prescription from your veterinarian
Bravecto for Cats is a safe and effective topical flea and tick treatment that provides up to 12 weeks of protection
Credelio is a chewable tablet that is used to treat flea infestations and treat and control tick infestations.
Bravecto (Fluralaner) is a Topical Solution for Dogs that kills fleas and is indicated for the treatment and prevention of flea infestations (Ctenocephalides felis) and the treatment and control of tick infestations. Bravecto is also indicated for the treatment and control of Amblyomma americanum (lone star tick) infestations for 8 weeks.
Cheristin for Cats is a topical flea control treatment developed just for cats. Cheristin is fast-acting and starts killing fleas in as little as 30 minutes. Within 12 hours 98-100% of fleas are gone. Plus, it has an easy-to-use applicator and works for one full month. It is gentle on cats and can be used on kittens over eight weeks of age.
Advantage Multi for Cats is a once-monthly topical product that controls and treats intestinal parasites like roundworm and hookworm, controls and treats ear mites, treats existing flea infestations, kills adult fleas, and prevents heartworm disease.
Credelio Cat kills adult fleas and is indicated for the treatment and prevention of flea infestations for 1 month in cats and kittens 8 weeks of age and older, and weighing 2 pounds or greater. Credelio CAT is also used for treatment and control of black-legged tick infestations for one month in cats and kittens 6 months of age and older, and weighing 2 pounds or greater.
Bravecto Plus (Fluralaner/Moxidectin) is a Topical Spot On Solution for cats indicated for the treatment and prevention of flea and tick infestations, as well as preventing against heartworms, and the treatment of roundworms and hookworms for up to 8 weeks.
Seresto is an effective, reliable alternative to monthly flea and tick topicals that lasts for 8 months. Seresto is a flea and tick collar for dogs and cats that uses exciting, innovative technology to release the active ingredients in controlled doses over an extended period of time.
Credelio Quattro (lotilaner, moxidectin, praziquantel, and pyrantel chewable tablets) is the widest parasite protection of its kind covering 6 types of parasites in one chewable tablet. It protects against ticks, fleas, heartworm disease and the three intestinal worms that can be passed to humans — tapeworms, roundworms and hookworms

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