Think Sue has done the ones i know.
Hibi scrub great for cuts etc, i found it cheaper at horse shops than the chemist and in bigger bottles.
Cornflower for bleeding quicks when cutitng nails, dab the bleeding nail into a small amount of cornflower it will block the end of the quick.
Piriton for allergies, the ones they give out where i work are 40mg tablets.
Diluted vinegar for cleaning ears.
Adding Bran to a dogs diet can help ones with anal gland problems, it can help firm their poo.
if i think of or come across anymore ill add to the topic