What would be the effect of taking too many nicotine lozenges?

Not safe: Nicotine lozenges contain nicotine. They are taken to help stop smoking by withdrawing from nicotine slowly and safely. Taking too many lozenges can cause: increased blood pressure, irregular or fast heartbeat, dizziness, nausea, vomiting and weakness. They should be taken exactly as prescribed by your doctor. Discuss dosage with your doctor if you bought lozenges over the counter.