
Dog parents suffer from constant fear of parasitic attacks on their beloved companions and want to safeguard their animals at all costs. Unfortunately, pests like fleas and ticks are present everywhere, all around the year. These blood-sucking parasites create a nuisance and transmit harmful diseases. The best way to get rid of these parasites is by using effective treatment.
We have come up with a couple of the most effective and popular products – Simparica and Capstar.
In this blog, we’ll compare these dog treatments that will help you understand what these products offer and how they differ so that you can choose the best-suited option.
Simparica vs. Capstar – A Glance
Simparica is an oral chewable external parasitic treatment for puppies and dogs from 6 months of age, weighing 2.8 lbs or more.

Product Specifications:
- Potent External parasitic treatment
- Made in a tasty flavored chewable form
- Protects against fleas & ticks
- Kills adult fleas
- Treats & prevents flea infestations
- Begins working fast
- Approved for killing 5 tick species
- Treats & controls American dog tick, black-legged tick, lone star tick, Gulf Coast tick & brown dog tick
- Prevents Lyme disease
Capstar is a fast-acting oral flea treatment for 4 weeks or older puppies and dogs, weighing 2 lbs or more.

Product Specifications:
- Fast-acting flea treatment
- Begins killing fleas in 30 minutes
- Achieves more than 90% efficacy within 4 hours
- Kills adult fleas that cause flea allergy dermatitis (FAD)
- May be given together with other treatments
- Suitable for daily
- Can be given with food
Simparica vs. Capstar – Comparison Table
Let’s have a look at the comparison of the characteristics of Simparica and Capstar with the following comparison table:

Bottom Line
In the end, both Simparica and Capstar are oral, easy-to-administer external parasitic treatments for dogs. Simparica offers broader coverage by protecting against fleas and five tick species, whereas Capstar is a potent rapid-action treatment against fleas that begins killing fleas as quickly as 30 minutes of administration and can be given daily depending on the severity of the infestation.
When choosing between these two treatments, you should also consider the dog’s age, weight, and longevity of the products. Talk to your vet, if needed for expert recommendations.
