 Nicogum 4 Nicotine Gum Chewing Gums Fresh Mint Sugar FreeNicotine 4mgQuitting smokingNausea Hiccup Vomiting Dryness in mouth Flatulence Stomatitis Inflammation of the mouth Pharyngolaryngeal pain Abdominal pain Diarrhea Constipation Cough Insomnia difficulty in sleeping 