Older patient with COPD, BP issues, radiolucency at #18, gingival recession, caries in all quadrants, uses smokeless tobacco. Which medication/substance does NOT cause xerostomia among these options?

Correct answer: A. Ibuprofen

• A. Correct. Ibuprofen (an NSAID) is not associated with xerostomia, unlike anticholinergic-related medications and smoking-related products.
• B. Varenicline (Chantix) may cause dry mouth as a side effect.
• C. Cigarette/tobacco smoke is associated with xerostomia and other oral mucosal changes.
• D. Anticholinergic medications are classic causes of xerostomia.