Why 3 kg vs 30 kg changes everything with salt exposure
For your Chihuahua, even the salt stuck between her paw pads could be toxic if absorbed through her skin during grooming. A dose that would barely affect your Golden could send her into sodium overload within hours. Tiny dogs have less blood volume to dilute toxins, and their kidneys work harder to filter each gram of salt.
Focus on her first: use lukewarm water (not hot) to rinse all four paws for at least five minutes, checking between toes where crystals hide. Dry thoroughly—dampness increases absorption. Watch for excessive licking of paws later, which could mean irritation or early poisoning signs.
What your Golden Retriever's size can't protect against
While your larger dog has more buffer against salt toxicity, his licking behavior puts him at risk for gut irritation and electrolyte spikes. The real danger comes if he ate enough to trigger osmotic diarrhea—this rapid fluid loss can dehydrate even big dogs dangerously fast.
Check his gums: if they feel tacky rather than slick, or if his skin tents when lightly pinched, he's already losing the hydration battle. Big dogs often show signs later than small ones, so don't assume he's fine just because the Chihuahua seems more urgent.
Dual monitoring for a multi-dog household
Create separate observation zones tonight. Salt poisoning progresses differently by size: the Chihuahua might vomit or tremble first, while the Golden may just drink obsessively then collapse. Neither should have free water access—offer small ice cubes hourly instead to control intake.
Use your phone to film any odd behavior—a wobbly gait in the small dog or sudden lethargy in the big one helps vets assess severity. Keep leashes handy; neurological signs can make even friendly dogs disoriented or snappy.
When paw rinsing isn't enough protection
If either dog starts circling, pressing their head against walls, or having muscle spasms, it's ER time regardless of size. These are signs of cerebral edema (brain swelling) from sodium imbalance. Transport them in separate crates to prevent stress-induced aggression during neurological episodes.
Going forward, use booties for winter walks or switch to pet-safe ice melts. Regular salt residues stay potent for weeks, so wipe all paws after outdoor trips—what they track inside becomes tomorrow's hazard.
The step-by-step response, from the first minute to the vet visit, is in our De-Icing Salt & Ice Melt emergency guide.