Table 8: Main side effects reported in analysis of various types of NRT for smoking cessation.

Type of NRT	Side effects
Nicotine Gum	Hiccoughs, GI disturbances, jaw pain, orodental problems
Nicotine Patch	Skin sensitivity and irritation*
Inhaler and Nasal Spray	Local irritation at the site of administration
Tablets	Hiccoughs, burning and smarting sensation in the mouth, sore throat, coughing, dry lips and mouth ulcers

NRT refers to nicotine replacement therapy

^*Frequent but is usually mild and rarely leads to withdrawal of patch use