Effect of Aromatherapy on Anxiety in Colonoscopy Patients

Participants will inhale lavender essential oil via cotton pads placed near the nose for 20 minutes prior to colonoscopy. The application will take place in a pre-procedure waiting area under nurse supervision.

Participants will inhale bergamot essential oil through cotton pads placed near the nose for 20 minutes before the colonoscopy procedure, under the supervision of clinical staff.

Participants will inhale an odorless substance (distilled water) using the same method and duration as the intervention groups, to simulate the aromatherapy procedure.