How long does nicotine poisoning last in dogs?

The onset of clinical signs is rapid, with pets showing signs such as vomiting, diarrhea, tachycardia, tachypnea, neurologic signs like tremors, ataxia, weakness, and seizures, in as little as 15 minutes.
Can dogs survive nicotine poisoning?
It only takes about four milligrams of nicotine per pound of body weight to be fatal. This means less than a teaspoon of liquid nicotine or one cigarette can be fatal in a small dog, so it is important to go to the veterinarian or animal hospital right away if you believe your dog has ingested any nicotine at all.
What happens if my dog eats nicotine?
Nicotine poisoning in pets has a rapid onset of symptoms – generally within 15 to 60 minutes following ingestion. Symptoms for dogs and cats include vomiting, diarrhea, agitation, elevations in heart rate and respiration rate, depression, tremors, ataxia, weakness, seizures, cyanosis, coma, and cardiac arrest.
How much nicotine is fatal to dogs?
Toxic consumption: In dogs, a dose of 9-12 mg/kg is considered lethal. There is no established toxic threshold for cats. All incidents of accidental exposure should be reported immediately. Pets often vomit immediately following ingestion, making severe clinical toxicosis less likely to occur.