Why does my beagle have dry skin, odor, and hair loss after fleas?

Question

My beagle had fleas a few months ago. We used several different treatments (shampoo, front line, capstar) over 2 months to finally get rid of them. It has been over a month and he has these patches all over his body that I can only describe as "cradle cap" like infants gets. There is a strong odor as well. We have tried a variety of shampoos, benadryl, fish oil, coconut oil (both topical and ingested) with no relief. He is losing hair also. No open areas. Any suggestions? Pet's info: Dog | Beagle | Male | neutered | 40 lbs

Jenny, DVM · Accepted Answer

He may have an allergy to the fleas or environment such as grasses, pollens and dust. You have the fleas under control but an allergy can cause itching weeks past this. Because there is dry patches of hair loss and an odor I would worry he has a secondary bacterial or yeast infection on his skin from all the itching. This will usually require medicated shampoos and oral antibiotics/antifungals to clear up which you can get from your vet. IF he is older then you may want to get his thryoid checked also as this can lead to further bacterial infections.

Why does my beagle have dry skin, odor, and hair loss after fleas?

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