Her staggering gait and the confused, exhausted look on her face, told Corey, a passerby, that this dog needed help. (hendrickscountyhumanesociety.org)
Be aware of the signs of heat stress in your companion animals which include heavy panting, glazed eyes, rapid pulse, unsteadiness, staggering gait, vomiting or a deep red or purple tongue. (laanimalservices.com)
Other signs include vomiting, staggering gait, depression, tremors and elevated body temperature (hyperthermia). (thesprucepets.com)