Is there a difference in this box labeled small dog with 11.4mg nitenpyram and the box labeled small dog AND cat with 11.4mg nitenpyram for $10 more?

Only difference is the volume of medication in the pill. I've been buying Capstar for large dogs >25lbs for 15 years. I don't own a dog, but my Maine C@@n thinks he's a dog. I simply cut the 57mg pill into five segments so now I have five 11.4mg doses for my cat.

how long does the pill work? a month?

Capstar is better used as a solution to an infestation than a preventative flea medication. The pill only works for a few hours. It kills all adult fleas that feed almost immediately. If you have a flea problem in your home, you should give one pill to every pet at the same time for 3 days in a row. Then give again on 7th day, 11th day, and 14th day. One 6 pill package is sufficient per animal. You should also vacuum all carpet daily during the 2 weeks to remove any adult fleas. Fleas can only live a few days without feeding and the eggs hatch after about 48 hours, so you are stopping them from being able to procreate and without new eggs, there will be no new fleas. I've seen some pretty serious infestations be completely resolved using this method. You should also use a separate monthly prevention treatment to ensure the infestation doesn't return.

Are the dog tablets the same as the cat ones? The packaging is misleading.

I have given these to both my dog and cat. They are both fine, and they work as long as you keep up your flea regimen. Bathing, Flea sprays Treating yard, topical treatments whatever your regimen may be. I have seen very few fleas on either of my animals since purchasing these tablets. Hope that helps!

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PetArmor CAPACTION (nitenpyram) Oral Flea Treatment for Dogs, Fast Acting Tablets Start Killing in 30 Minutes, Small Dog Flea Treatment 2-25 lbs, 6 Doses

PetArmor CAPACTION (nitenpyram) Oral Flea Treatment for Dogs, Fast Acting Tablets Start Killing in 30 Minutes, Small Dog Flea Treatment 2-25 lbs, 6 Doses

Product ID: 86184125

Details

Active Ingredients
nitenpyram
Age Range (Description)
Adult
Allergen Information
Yam Free
Brand
PetArmor
Dog Breed Size
Small
Global Trade Identification Number

⚡Starts killing fleas in 30 mins

🎯90%+ flea elimination in 4 hours

💊Easy oral tablet, no prescription

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€ 66.20

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Description

🐾 Fast-Acting Flea Defense That Keeps Your Pup Happy & Scratch-Free!

CONVENIENT ORAL DOSING - Small, easy-to-administer tablets designed for dogs 2-25 lbs—no mess, no stress.
PRESCRIPTION FREE POWER - Get professional-grade flea control without the hassle of a vet visit—instant access to relief.
RAPID FLEA ANNIHILATION - Experience flea relief in just 30 minutes—because your dog deserves fast comfort.
PROVEN 90 EFFECTIVENESS - Clinically shown to eliminate over 90% of adult fleas within 4 hours—no more endless scratching.
PERFECT FOR FLEA EMERGENCIES - Ideal for sudden outbreaks or quick action before long-term prevention kicks in.

PetArmor CAPACTION Oral Flea Treatment delivers rapid flea control with nitenpyram tablets that start killing fleas within 30 minutes and achieve over 90% effectiveness in 4 hours. Designed for small dogs (2-25 lbs), this easy-to-use, prescription-free oral medication provides quick relief from adult fleas, making it a must-have for fast flea emergencies and immediate comfort.

Specifications

ASIN	B07GN2V7LR
Active Ingredients	nitenpyram
Age Range Description	Adult
Allergen Information	Yam Free
Best Sellers Rank	#300 in Pet Supplies ( See Top 100 in Pet Supplies ) #1 in Dog Flea Pills
Brand	PetArmor
Brand Name	PetArmor
Customer Reviews	4.2 out of 5 stars 24,292 Reviews
Dog Breed Size	Small
Global Trade Identification Number	00073091033103
Included Components	Oral Doses
Item Form	Tablets
Item Type Name	Flea Treatment
Item Weight	0.3 Ounces
Manufacturer	Vetio
Manufacturer Part Number	711650110006
Model Number	711650110006
Scent	Topical
Scent Name	Topical
Target Species	Dog
UPC	073091033103
Unit Count	6 Count

Reviews

P**.

28.04.2026

M**M

5.08.2025

V**D

15.04.2026

A**K

17.04.2026

W**3

6.07.2023

N**.

28.04.2026

C**Y

16.03.2026

M**S

8.12.2024

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