Things as simple as moving the cage, introducing a new guinea pig, an upper respiratory infection, and
even ectoparasites like lice can stress your guinea pig out enough so that he doesn't eat and develops ileus.
Not exact matches
This skin response suggests that people with trypophobia may perceive cluster stimuli as if they are cues to
ectoparasites,
even leading some to feel as if they are infested.
Ectoparasites and Fungal Infections — Mange mites, fleabite allergies, and
even ringworm can initiate the itching that leads to a hot spot.