Benedryl is an effective treatment, and should be used continuously until winter has arrived. With my previous Lab puppy I would throw the gel-cap Benedryl up into the air, and she would catch and swallow them. If the hot spots seem inflammed, then you will need to get to the Vet for antibiotics. The fish oil is an excellent supplement to give as it has anti-inflammatory properties.

In the fall, you will encounter allergies to leave molds. Although gathering up leaves will make your lawn look better, it probably won't make that big of a difference per the allergy, as the mold spores readily become airborne. Some dogs have multiple allergies at the same time which can make trying to find the cause next to impossible.

Note about tea tree oil. I used it on my part Lab to keep her from licking off the antibiotic salve I placed on her. I would smear on the antibiotic salve, and then place a drop or two of tea tree oil, lightly spreading it over the small area involved. It's extremely bitter taste was a great deterent to licking off the salve. However if used in large amounts it can be absorbed through the skin, and become toxic to dogs. So don't get carried away with tea tree oil.