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Pet Racing Heart: Caffeine & Stimulant Toxicity

Tachycardia (fast heart rate) after eating points to stimulants — caffeine, chocolate (theobromine), nicotine, or pseudoephedrine.

Severity: severe
Urgent. Bring product packaging if possible.

Understanding increased heart rate

Stimulants cross the blood-brain barrier and can cause heart arrhythmias within an hour of ingestion.

Home care

Keep calm, restrict activity, transport.

Emergency contacts
ASPCA Animal Poison Control: 888-426-4435
Pet Poison Helpline: 855-764-7661
Both are 24/7 — small consultation fee may apply.
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Foods that can cause increased heart rate in dogs

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