But in the months before graduation, he developed terrible allergies to the animals he had been using in his studies, which forced an abrupt shift in his career path. (sciencemag.org)
As well as causing an itchy bite, some animals can develop terrible allergies to fleas. (k9magazine.com)
My poor cat Spike has suffered from terrible allergies all his life with angry red welts all over his abdomen and the fur constantly chewed off his stomach and legs. (1800petmeds.com)