Why four hours doesn't mean safety
Azalea toxins can take up to six hours to peak in the bloodstream, so your dog isn't out of danger yet. At 10 kg, a mouthful of leaves is easily enough to deliver a toxic dose — and delayed symptoms don't mean mild effects.
The grayanotoxins are still active in her system, potentially slowing her heart rate further. Just because she isn't vomiting now doesn't mean the threat has passed; neurological or cardiac signs could still emerge.
How diabetes complicates poisoning
Stress from toxins triggers cortisol release, which raises blood sugar — dangerous for a diabetic dog on insulin. She could swing from high glucose to crashing lows if her insulin dose fights the spike but toxins keep stressing her system.
Watch for excessive panting or disorientation, which could indicate sugar fluctuations or toxin effects. Never adjust insulin without vet guidance — this is a medical balancing act requiring monitoring.
Why leaf quantity isn't the main concern
Even if your dog ate only five or six leaves, that's plenty to cause harm — azaleas are toxic at roughly 0.2% of body weight. For a 10 kg dog, that's just 20 grams of plant material, easily consumed in seconds.
Fresh garden leaves are especially potent, as they haven't dried or wilted. The grayanotoxins interfere with sodium channels regardless of how 'healthy' the plant looks — this isn't about spoiled vegetation, but intrinsic toxicity.
When insulin timing intersects with toxins
If she ate the leaves close to her insulin dose, the overlap could mask early signs like lethargy — is she quiet from the insulin or the poison? Likewise, vomiting might be mistaken for a blood sugar crash.
Her diabetes means you can't rely on typical symptom progression. Any abnormal behavior warrants immediate vet attention — waiting to 'see how she does' risks missing the narrow window for effective treatment.
The step-by-step response, from the first minute to the vet visit, is in our Azalea & Rhododendron emergency guide.