Why a 6 kg terrier can't handle even a lick
Solanine toxicity isn't about volume—it's about concentration. That green patch contains up to 10 times more solanine than regular potato skin, and a dog's small body weight magnifies every microgram. Your terrier's 6 kg frame has zero buffer for this toxin, which attacks the nervous system directly. The 20-minute delay means absorption is already underway, making this a race against the clock.
Watch for subtle signs first: excessive lip-licking or pawing at the mouth indicates oral irritation. Solanine causes a burning sensation, so your dog may refuse water despite seeming thirsty. The next stage—wobbly hind legs or rapid blinking—means the toxin is affecting motor nerves. Don't wait for vomiting; by then, solanine has circulated through the bloodstream.
What the first hour demands
Right now, prevent further absorption. Use a damp cloth to wipe your dog's gums and tongue, removing any residual green particles. Offer ice chips to soothe mouth irritation without increasing fluid intake (which can accelerate toxin spread). Confine your terrier in a dim, quiet space—stress worsens neurological symptoms.
Prepare for the vet visit: note the potato's variety (red/gold/russet), whether it was organic, and if any sprouts were present. These details help estimate solanine concentration. Bring a photo of the green spot—its size relative to your dog's paw pad matters more than human-eye measurements.
Why tremors aren't the only red flag
Solanine's early cardiac effects often go unnoticed. Place your hand on your terrier's left chest behind the elbow—a heart rate under 60 or over 140 beats per minute is critical. Irregular rhythms sound like skipped beats or fluttering. These precede collapse and require immediate IV medication.
Gastrointestinal signs may seem reassuring ('at least he's vomiting it up'), but solanine-induced vomiting indicates systemic exposure. The toxin suppresses the vomiting center initially; by the time nausea appears, organ damage has begun. Yellow-tinged vomit suggests bile backup from neurological gut paralysis.
Post-exposure monitoring for small dogs
Even after treatment, your terrier needs 72-hour observation. Solanine's metabolites can cause delayed seizures—keep night lights on and avoid sudden noises. Temporary blindness sometimes occurs as the toxin clears; pad sharp furniture corners.
Switch to a bland diet for five days: solanine damages intestinal villi. Look for 'seedy' stool—undigested food particles mean gut healing isn't complete. Avoid all nightshade vegetables (tomatoes, eggplant) for two weeks; cross-reactions prolong recovery. Future potato safety starts with storing them in opaque bags—light triggers solanine production.
The full verdict, portion guidance and serving notes are collected on the Green or sprouted potato food facts page.