Extreme temperatures pose many different threats for pets. One of the biggest, and most common, is heatstroke. Heatstroke occurs when a pet's body rises above 103 degrees, and can pose serious - and fatal - issues if not treated right away.

Symptoms of heatstroke in pets include: heightened anxiety or restlessness, excessive panting or drooling, vomiting, diarrhea, abnormal gum and tongue color, unsteadiness, or collapsing. Open-mouth breathing is a common sign of heatstroke in cats.

If you witness any of the above, vets suggest that you take your pet's temperature rectally. If their temperature is 105 degrees or above, you need to cool them down until their temperature reaches 103. Some of the ways you can help cool your pet down include:

• Getting them to a cool, shady place to rest
• Run cool water over them with a hose
• Apply ice packs or cool towels to their head, neck, and chest
• Let them lick ice cubes

You'll want to exercise caution in helping your pets cool down. Cooling an animal that's suffering from heatstroke too quickly causes their blood vessels to constrict. This prevents them from cooling down adequately. Using cool water in your efforts to aid your pet in cooling down, and not cold water, is crucial.

Even after helping your pet cool down, experts recommend getting a pet who is suffering from heatstroke to a vet as soon as possible. This is especially important if their symptoms have not improved despite your efforts.