Description
Collection only, £11.39
Johnson’s 4fleas Tablets Large Dogs Over 11kg is an over-the-counter oral flea treatment designed to rapidly eliminate adult flea infestations on large dogs and puppies weighing over 11kg. Available in the UK, it is highly regarded as one of the fastest-acting knockdown treatments available without a prescription.
Key Product Highlights
- Rapid Action: Starts killing adult fleas within 15 minutes of ingestion.
- High Efficacy: Reaches 95% to 100% effectiveness within 6 hours, achieving complete eradication of adult fleas on the pet within 24 hours.
- Active Ingredient: Each large dog tablet contains 57mg of Nitenpyram, the same veterinary-strength molecule used in prescription brands like Capstar.
- No Mess or Residue: Because it is an oral tablet, it leaves no chemical residue on your dog’s coat. It cannot be washed off, rubbed off on furniture, or groomed out, making it completely safe around small children and pregnant women.
- Flexible Pairing: It has no known contraindications and can be safely used alongside long-term spot-ons, flea collars, and worming treatments.
Crucial Usage Considerations
- Temporary Scratching: During the first hour after administration, your dog may scratch or itch more than normal. This is a normal reaction caused by the adult fleas becoming hyperactive as the active ingredient attacks their nervous systems.
- Adult Fleas Only: Nitenpyram only kills live, adult fleas currently feeding on your pet and has no persistent activity. It does not kill flea eggs or larvae.
- Complete Flea Control: To stop a continuous cycle, it is highly recommended to pair these tablets with environmental solutions like Johnson’s Extra Guard Household Spray to eliminate eggs and larvae hiding in your carpets and pet bedding
Dosing & Administration Guide
The tablets are suitable for puppies and dogs from 4 weeks of age who weigh more than 11kg. They can be given directly by mouth or disguised in a small portion of your pet’s favourite food.
Pack & Pricing- 6-Tablet Pack: – £11.39
Dog Weight Required Dosage Frequency 11.1kg to 57kg 1 tablet Give 1 tablet on any day adult fleas are seen on your pet. Do not exceed 1 dose per 24 hours. Over 57kg 2 tablets Give 2 tablets concurrently on any day fleas are spotted.





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