An antiparasitic is a pesticide which counters infection by parasites.

Dinah M. James has written:

'Human antiparasitic drugs' -- subject(s): Antiparasitic agents, Chemotherapy, Drug therapy, Parasitic diseases

Quinine is the "drug" from the bark of Cinchona tree that has got antiparasitic properties.

It can be used against Malaria.

Eosinophils. Literally 'eosin lovers'. Eosin the red dye in your question.

no absolutely not. All it will do it rot the dogs skin off. All you need treat it is an antiparasitic medication which is relatively cheap.