Misaligned teeth or problems with bite are a serious obstacle for guinea pigs to eat. With the wrong arrangement, the incisors and molars grow continuously, the animal is simply not able to take food.

A guinea pig can starve due to longing for a partner, which can lead to its death. Instead of forced feeding, you should put a companion on her.

If we are talking about a dangerous viral disease, it is better to euthanize the sick animal.