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NexGard Chewables

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Nexgard® Chewables for Dogs
Product Information
Nexgard® is a soft, artificial beef-flavored chewable tablet administered once a month to protect your dog from fleas and ticks.
Dogs (at least 8 weeks of age, weighing more than 4 lbs)
Generic Name
Brand Name
Nexgard® Chewables
Drug Class
Isoxazoline Ectoparasiticide
Product Flavoring
Nexgard® is a soft, artificial beef-flavored chewable. 
*Contains soy. No actual beef. Gluten free.
Boehringer Ingelheim
Product Description & Form
Nexgard®  4-10 lbs: 9 mm, mottled red to reddish brown, round/square brick chew, not score, no imprint. (NDC 59415-2405-02)
Nexgard®  10.1-24 lbs: 12 mm, mottled red to reddish brown, rectangle/square brick chew, not score, no imprint. (NDC 59415-2407-02)
Nexgard®  24.1-60 lbs: 20 mm, mottled red to reddish brown, rectangle/square brick chew, not score, no imprint. (NDC 59415-2409-02)
Nexgard®  60.1-121 lbs: 26 mm, mottled red to reddish brown, rectangle/square brick chew, not score, no imprint. (NDC 59415-2411-02)
  • Once a month artificial beef-flavored (soy, vegetable protein) chewable tablet that is highly palatable
  • Kills adult fleas and treats flea infestations from Ctenocephalides felis
  • Treats and controls tick infestations from the Lone Star tick (A. americanum), American Dog tick (D. variabilis), Black-Legged (Deer) ticks (I. scapularis), and Brown Dog ticks (R. sanguineus)
  • Indicated for the prevention of Borrelia burgdorferi infections as a direct result of killing Black-Legged (Deer) (I. scapularis) vector ticks
  • Starts killing fleas in 4 hours, kills fleas before they can lay eggs
  • Approved for dogs 8+ weeks of age, weighing more than 4 lbs
Active Ingredients
Nexgard® should be given orally as directed by your veterinarian. This medication should be administered at monthly (every 30 day) intervals, year-round to guarantee protection from fleas and ticks in dogs. For dogs over 121 lbs, use the appropriate combination of these Chewables to ensure complete protection against fleas and ticks.
Remove only 1 tablet at a time from the foil-backed blister card and return the card to the box to protect from light.  Do not remove tablet from foil wrapper until you are ready to give it to your pet. Offer to the pet as a treat by hand or in a small amount of food. Make sure entire tablet is consumed.  
Missed Doses
Give the dose as soon as you remember, unless it is time for the next dose.  Do not double dose.  If your pet has missed a dose please consult with your veterinarian. 
Side Effects
Nexgard® is generally well tolerated in dogs. There are very few side effects when the drug is given at the usual dose. The following side effects have been reported with the use of  Nexgard®: vomiting, itching, lethargy, diarrhea, and lack of appetite. If this occurs, notify your veterinarian. 
Use with caution in dogs with a history of seizures or neurologic disorders.
Other side effects may occur. If you notice anything unusual, contact your veterinarian.
Drug & Food Interactions
There are no documented drug interactions with Nexgard®. Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together. Make sure to tell your veterinarian what other medication you are giving to your pet. Quite often your veterinarian may prescribe two different medications, and a drug interaction may be anticipated. In this case, your veterinarian may vary the dose and/or monitor your pet more closely.
Safe use of Nexgard® in breeding, pregnant, or lactating dogs has not been evaluated.
Use with caution in dogs with a history of seizures or neurologic disorders.
Allergic reactions to medications may occur. Be sure to inform VetSource and your veterinarian if your pet has any known drug sensitivities or allergies. If your pet displays symptoms of an allergic reaction, call your veterinarian immediately or go to a veterinary emergency clinic. Symptoms may include but are not limited to: swollen lips, tongue, face, airways; difficulty breathing; agitation; profuse salivation; vomiting; widespread hives and itching.
Adverse Reaction
If you are concerned that your pet has experienced an adverse reaction to this medication, please contact the manufacturer Boehringer Ingelheim at 888-637-4251 or contact Vetsource customer service at 877-738-4443.
Store long term at or below 86° F, excursions are permitted up to 104° F.  Keep this medicine out of reach of children. Store in a childproof container. Store this medicine in a cool, dry place at room temperature. Store away from heat and direct sunlight. Do not store this medicine in the bathroom, near the kitchen sink or in damp places. The medicine may break down if exposed to heat or moisture.
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Nutritional Info