Can guinea pigs like the Texel catch a cold? Can he catch your cold? Some believe that their pets can catch human colds, but this is not the case for all animals. The cold and flu commonly found in humans is caused by viruses. Texel guinea pigs most often develop respiratory problems that people may call a “cold” through bacteria and possible fungal infections. If your guinea pig is sneezing, has watery eyes, or discharge from his nose, call your vet and schedule a check-up. Signs that your little Texel isn’t feeling well include lethargy and loss of appetite or even a refusal to drink water. Your guinea pig’s respiratory illness could turn into pneumonia if it is not treated right away. In some cases, a guinea pig’s illness can cause diarrhea, which can lead to dehydration. If your guinea is even acting sick then you should call your veterinarians Louisville KY right away.