A. The first place to start is to get a good anti-parasite product. Many are on the market, and they can prevent flea infestations as well as ticks. This should be used according to product specifications, and should be used year round depending on the climate where you live. Also look for a good shampoo - preferably one that contains pramoximine and/or collodial oatmeal to relieve itching. And fish oil - a quality brand that's formulated for dogs - is excellent at healing the skin and keeping it healthy.
A. This could be a number of things; allergies (to food/seasonal/environmental), skin infection etc. He will also need a treatment for the ticks. Considering how many issues compounded at this time I would take him to the vet who can advise on an appropriate treatment plan
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