So what do you do if your pet gets fleas? First, be grossed out because fleas are nasty! Then, bring him to your vet to discuss next steps. FLEAS are year-round pests! As vets see cases in all seasons, yes that includes WINTER! This is why your vet constantly brings up flea prevention at each visit. If your pet has fleas, the most important thing to do is get him on a reliable BRAND of prevention Your vet may also give a medication called capstar which will jumpstart the flea killing process.
Source: WGME