Inclusion Criteria:  diagnosed with HIV at least 18 years of age smoking at least 5 cigarettes/day exhaled Carbon Monoxide level greater than 5 at baseline willing to use transdermal nicotine patch ready to quit in the next 30 days.  Exclusion Criteria:  currently using pharmacotherapy for smoking cessation medically or psychiatrically unstable (defined as: uncontrolled hypertension, unstable angina, or a medical or psychiatric hospitalization in the 30 days prior to enrollment) *experiencing psychotic symptoms endorsing suicidal ideation upon screening or past-year suicide attempt pregnant or nursing.