Using nicotine lozenges can also cause serious side effects that require a visit to your doctor, including: persistent throat irritation that gets increasingly worse. heart palpitations or irregular heartbeat (arrhythmia) issues with your teeth, gums, or other tissues in your mouth (like sores)

How long can you stay on nicotine lozenges?

It should take 20 to 30 minutes to dissolve. Do not eat while the lozenge is in your mouth. Stop using nicotine lozenges after 12 weeks. If you still feel the need to use nicotine lozenges, talk to your doctor.

Can nicotine lozenges cause liver damage?

(901 smokers with other medical conditions [mostly heart disease and diabetes] were treated with nicotine gum or lozenges for 12 weeks; nausea, hiccups and headache were the most common side effects; no mention of hepatotoxicity, but no instances of acute liver injury).