NexGard Chew for Dogs (Orange) is a monthly beef-flavoured chewable for very small dogs weighing 2-4kg, including puppies from 8 weeks of age. Each soft chew delivers a full month of protection against fleas and paralysis ticks, so there's no spot-on residue on the coat and no bathing restrictions. The orange pack is the correct dose for the smallest size bracket.

The active ingredient afoxolaner starts killing fleas within hours and controls paralysis ticks, brown dog ticks and bush ticks for 30 days. It also breaks the flea life cycle by taking out adults before they lay viable eggs, which matters if you've had an infestation take hold. Because it's an oral chew, swimming, bathing and rough play don't reduce effectiveness the way they can with topical treatments.

Owners tend to choose NexGard when their dog either won't tolerate a spot-on or lives somewhere paralysis ticks are a genuine risk. Small dogs generally take it as a treat rather than a tablet, which makes monthly dosing straightforward. Check the weight band on the pack matches your dog before buying.