Seasonal Flank Alopecia – Mar Vista Animal Medical Center

With seasonal flank alopecia, a dog loses hair in the flank area on a seasonal basis. Different dogs seem to choose different seasons to lose their hair and when the season changes the hair generally grows back. Melatonin, a natural biochemical which is important in the regulation of circadian (daily) rhythms has been used successfully in many patients.

https://marvistavet.com/seasonal-flank-alopecia.pml