An eye ointment available from the vet can easily treat this. Constipation usually is the reason for when a rabbit goes off its food and only produces hard dried up droppings. More greens should be provided to prevent this occuring. Heat stress will cause the rabbit to lie in a prostrate position panting rapidly. Keeping a bottle of water in the freezer and placing it in the cage near the rabbit can lower the temperature.
Heat stress can occur suddenly and kill within only a few hours.
A swelling will appear but an injection of penicillin will cure the infection. Mucoid Enteritis or bloat or scours is one of the main causes of death in rabbits. The symptoms are apathy, grinding of the teeth, squinting eyes and a loss of weight. Usually there is terrible diarrhea with a clear mucoid substance. The rabbit should be taken off pellets and fed only hay and given plenty of water to drink.