Common side effects for nicotine therapy may include headache, insomnia, nightmares, nausea, dizziness, and blurred vision.

Nicotine use may be contraindicated during pregnancy and lactation, in patients with coronary artery disease (particularly 2 weeks post myocardial infarction, worsening angina), peripheral vascular disease, serious arrhythmias, allergy to nicotine. Weigh risks and benefits prior to administration.

Refer to package insert for further treatment recommendations depending on formulation available, as well as other potential precautions and adverse effects.