What are the round red circle on your dogs stomach about the size of a penny?

Several types of skin conditions can cause the red spots on your dogs skin .Red spots on a dog's belly during the late spring and early summer can be caused by black fly bites. These flat, red spots typically do not bother dogs and can be left untreated. Black fly bites can be confused with ringworm spots, which do require treatment in the form of topical or oral antifungals. Bacterial infections can also cause spots similar to ringworm ( fungal infection ). More often we see bacterial infections . You should definitely seek treatment from a veterinarian to find the cause. Please make sure to keep oral or topical flea and tick treatment year round on all pets .