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Credelio for Dogs

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IB# 107080
5.0 (1)

Prescription Item

Credelio for Dogs
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This item requires a prescription. Learn More

Credelio is a 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 4.4 lbs)

Product Flavoring

Credelio is a beef-flavored chewable.


  • Once a month beef-flavored 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)
  • Starts killing fleas in 4 hours
  • Kills 98.7% of ticks within just 8 hours
  • Approved for dogs 8+ weeks of age, weighing more than 4.4 lbs

Active Ingredients



Credelio 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 100 lbs, use the appropriate combination of these Tablets 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. Credelio must be given with food or given within 30 minutes of feeding to ensure absorption is complete. 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

Credelio 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  Credelio: anorexia, elevated BUN, increased thirst, diarrhea. If this occurs, notify your veterinarian. 

Use with caution in dogs with a history of seizures.

Other side effects may occur. If you notice anything unusual, contact your veterinarian.


Safe use of Credelio in breeding, pregnant, or lactating dogs has not been evaluated.

Use with caution in dogs with a history of seizures.

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.

There are no documented drug interactions with Credelio. 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.

Adverse Reaction

If you are concerned that your pet has experienced an adverse reaction to this medication, please contact the manufacturer Elanco at 888-545-5973 or contact Vetsource customer service at 877-738-4443.


Store long term at 59° - 77° F, excursions are permitted between 41° - 104° F.  Store in original packaging to protect from light.  Keep out of reach of children and pets.

IB# 107080
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1 Customer Reviews

1-1 of 1 Reviews

Rachel - 07/19/2023

Denver, CO

Works as expected!

My dog hates taking pills, but this is a necessary evil for him.

Recommends this product:    Yes

1-1 of 1 Reviews

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