Last reviewed 2026-04-22 · How we verify

Standard Duration Combination NRT

Standard Duration Combination NRT delivers multiple forms of nicotine replacement therapy simultaneously to reduce withdrawal symptoms and support smoking cessation.

Standard Duration Combination NRT delivers multiple forms of nicotine replacement therapy simultaneously to reduce withdrawal symptoms and support smoking cessation. Used for Smoking cessation in adults with nicotine dependence.

At a glance

Mechanism of action

This combination approach uses nicotine in different formulations (typically a longer-acting patch combined with shorter-acting oral forms like gum or lozenge) to provide sustained baseline nicotine levels while allowing flexible dosing for breakthrough cravings. The combination addresses both the chronic nicotine dependence and acute withdrawal symptoms more effectively than monotherapy.

Approved indications

• Smoking cessation in adults with nicotine dependence

Common side effects

• Skin irritation at patch application site
• Mouth irritation or hiccups (with oral forms)
• Nausea
• Headache
• Insomnia
• Dizziness

Key clinical trials

• Comparing Two Behavioral Approaches to Quitting Smoking in Mental Health Settings (NA)
• Health Systems Reach Interventions Project (PHASE4)
• Cessation Screening Project (PHASE4)
• Improving Quitline Support Study (PHASE4)
• Interactive Communication Technologies and Nicotine Replacement Therapy Sampling for Smokers (NA)
• Smoking Cessation Intervention (PHASE4)

Primary sources

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