Why wobbliness and drooling signal nervous system impact
Your dog's current symptoms suggest gasoline vapors or ingested fuel have begun affecting his nervous system. The 10 kg body weight means even small amounts of hydrocarbons can disrupt coordination and saliva control. These signs typically appear within 1–4 hours as the compounds circulate, though lung damage may lag behind. Don't assume improvement means safety—neurological signs often fluctuate before respiratory issues emerge.
Vets watch these patients closely because gasoline's effects come in waves. The wobbliness may temporarily ease while lung inflammation builds silently. Your dog's size puts him at particular risk for delayed pneumonitis—smaller bodies absorb toxins faster than larger dogs. Continuous monitoring catches secondary crises before they escalate.
The critical 48-hour window for lung checks
Three hours post-exposure places your dog in the danger zone for developing chemical pneumonitis. Gasoline doesn't just irritate—it strips lung tissues of protective barriers, letting fluid seep into airways. Vets listen for crackles or wheezes that aren't immediately present because this damage evolves gradually. That's why multiple chest auscultations over two days matter more than a single all-clear.
Expect your vet to recommend hospitalization for at least overnight observation. They'll track respiratory rate, gum color, and effort of breathing every few hours. Small dogs like yours decompensate faster if inflammation progresses—a 10 kg patient can't afford to wait for obvious distress before getting oxygen support.
Why X-rays lag behind symptoms
Initial radiographs might look surprisingly normal despite your dog's clinical signs. Gasoline-induced lung changes often take 12–24 hours to appear on imaging as inflammation solidifies. Vets repeat films at strategic intervals because early negatives don't rule out brewing trouble. What seems like a mild case at hour three could show alarming white patches by hour eighteen.
The drooling you noticed correlates with gasoline's local irritation but doesn't predict lung outcomes. Some dogs lick their lips excessively from throat burning while others develop silent aspiration. Your vet uses serial X-rays as a roadmap—comparing each set reveals whether anti-inflammatory treatments are working or if more aggressive care is needed.
Home monitoring after discharge
If your dog stabilizes enough for home care, you'll watch for delayed coughing or rapid shallow breathing. These can surface days later as damaged lung tissue sloughs off. Keep him strictly rested—exercise worsens oxygen demands on compromised lungs. Any return of wobbliness or new eye redness warrants immediate callback.
Hydration becomes crucial post-exposure since gasoline stresses kidneys trying to filter hydrocarbons. Offer small frequent water doses rather than free access to prevent vomiting. Your vet may suggest bland food for a few days as the digestive tract recovers from chemical burns. Document eating/drinking amounts to spot subtle declines.
The step-by-step response, from the first minute to the vet visit, is in our Gasoline Poisoning in Dogs and Cats emergency guide.