Cute 'Lil Guy!
His beak a little overgrown, I'd consider lightly filing every few days to get it back in shape.
It does look like a blister between the toes, could be from the wrappings, not sure.
Photos are always helpful - of the birds, poop, etc.
If the Corid doesn't seem to be correcting the poop within a couple of days let us know.
No, Corid is a Coccidiostat used to treat Coccidiosis which is an overload of protozoa in the intestines.
If you are going to treat with Corid, give the outbreak dose.
Liquid Corid dose is 2tsp or Powdered Corid Dose is 1 1/2tsp per gallon of water given for 5-7 days as the only source of drinking water.
Do not add any extra vitamins/electrolytes that contain B1(Thiamine) to food or water during...