Answer
Only after discussion with the prescriber. Combination treatment may cause more adverse effects, and evidence for combined use is limited.
Sources for this answer
- Varenicline 0.5 mg film-coated tablets — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.