Nicotine Poisoning: What It Is, Symptoms, Causes & Treatment Can you overdose on nicotine? , Yes and it can be dangerous., Too much nicotine from vapes, patches, gums, or tobacco can cause symptoms like nausea, dizziness, fast heart rate, or seizures in Can Vapers Overdose on Nicotine? Bravo star #FraserOlender shared that he suffered a heart attack after having vape poisoning. Posting on Instagram saying "I have never experienced fear or pain like it." We're wishing him a quick