The warts on the back are abnormally large, don't know what to make of those. The rostral problem looks to be infected. This will require a vet to diagnose and treat properly. In the meantime, switch it over to a papertowel substrate, you can use plastic cups cut in half for hide spots. Make sure you are giving it clean water, either bottled or dechlorinated water. The important thing is to keep the toad clean until treatment can begin.
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...the oldest task in human history: to live on a piece of land without spoiling it."
Aldo Leopold (1938)
"Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us."
Calvin and Hobbes (Scientific Progress Goes 'Boink', 1991)