Thrush:
The information will be available soon.

Sweet Itch:
"Sweet Itch, or Summer Seasonal Recurrent Dermatitis (SSRD), is an allergic reaction. It is caused by an over-vigourous response of the hosre's immune system to the bite of the cullicoides midge. Affecting thousands of horses each year symptoms include severe itching and hair loss, skin thickening and flaky dandruff. Weeping sores may also be present." (Source: www.sweet-itch.co.uk)