It can cause ulcers on a dog's skin and ultimately can often lead to kidney failure.
The website Vets4Pets keeps tracks on cases of Alabama Rot across the country.
It includes a number of cases confirmed in Hampshire in the last 12 months.
Here are the places which have had a case of Alabama Rot in and around Portsmouth over the last year.
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1. Southsea
A case of Alabama Rot was confirmed in Southsea in March 2020. Photo: Vets4Pets/Google Maps
2. Bishop's Waltham
A case of Alabama Rot was confirmed in Bishop's Waltham in March 2020. Photo: Vets4Pets/ Google Maps
3. Eastleigh
A case of Alabama Rot was confirmed in Eastleigh in November 2020. Photo: Vets4Pets/ Google Maps