If your guinea pig can walk, he may stagger around. In addition, his muscles may start to tremor. [5] X Research source With heatstroke, your guinea will stop playing and running around.

He may start breathing very heavily—you may see his whole body move as he tries to breathe. [8] X Research source

His gums, which should also be pink, may look very pale or red. [10] X Research source

An increased heart rate is common in guinea pigs with heatstroke. [11] X Research source Be aware, though, that the heart of a healthy guinea pig beats over 200 times a minute. [12] X Research source You can try to touch his chest to feel his heartbeat, but it will probably be hard to tell that it’s beating faster than usual.

Normal feces look like soft, dark pellets. If your guinea pig has diarrhea, his feces may be watery and less formed.

Seizures are not very common in guinea pigs. [16] X Research source azeah. com/resource/guinea-pigs

The shade can get hot, so do not simply move your guinea pig to a shaded area outside.

Along with his fur and feet, make sure you get his ears wet. [19] X Research source If your guinea pig cannot stand on his own, gently hold him upright in the water. Rather than put your guinea pig in water, you could spray his fur with tepid water, then fan him. [20] X Research source

Along with his fur and feet, make sure you get his ears wet. [19] X Research source If your guinea pig cannot stand on his own, gently hold him upright in the water. Rather than put your guinea pig in water, you could spray his fur with tepid water, then fan him. [20] X Research source

Hydrate him Give him extra oxygen Give him medication if needed Monitor him for other conditions, like kidney failure, shock, and heart problems