External parasites (such as fleas and ticks) can be treated by flea collars or products such as FrontLine Spot-on. These can be purchased from most pet shops or vets.
There are various things to look out for, loss of appetite, scratching, over eating, dragging their behind as if its itching, blotchy red marks on there skin, if I was you, I would seek advise from...
Two kinds of worms are the most common parasites: round worm and tapeworm. Only a blood test can tell if there are parasites in the blood. Tapeworm, the most common dog parasite, looks like a grain...